^■■im^-m; m fisM BOUGHT WITH THE INCOME FROM THE SAGE ENDOWMENT FUND THE GIFT OF 1891 1357 Cornell University Library QB 1.S561 General index to Sidereal messenger, vol 3 1924 012 339 747 The original of tiiis book is in tine Cornell University Library. There are no known copyright restrictions in the United States on the use of the text. http://www.archive.org/details/cu31924012339747 SIDEREAL MESSENGER ASTRONOMY AND ASTRO-PHYSICS POPULAR ASTRONOMY A GENERAL INDEX General Index -TO- Sidereal Messenger, Vol. 1-10 MARCH, 1882— DECEMBER, 1891 Astronomy and Astro-Physics, Vol. 13 JANUARY, 1892-DECEMBER, 1894 Popular Astronomy, Vol. 1-16 BEGUN, SEPTEMBER, 1893 By Authors and By Subjects Compiled under the Supervision of THE EDITOR NORTHFIELD, MINNESOTA, U. S. A. 1909 *tor 1^ KZSZ'\'i>^ COMPOSKD AND PRINTCD BY NORTHFIELD NEWS NORTHFIELD. MINNESOTA The Editor gratefully aicknowledges a grant of One Hundred Dollars by Professor E. C. Pickering from the International Science Fund of Harvard College Observa- tory, and a gift of Two Hundred Dollars from G. R. Agassiz, of Boston, to assist in the publication of this General Index. — William W. Payne. KEY TO ABBREVIATIONS USED S — Sidereal Messenger. A — Astronomy and Astro-Physics. P — Popular Astronomy. Cor. — Correction. Index of Authors INDEX OF AUTHORS Volume and Page ABBOTT, C. G., Probable nature of the corona P16:5i9 ABNEY, W. de W., Limit of visibility of spectrum rays Ai:296 Medal-awarding address A3 : 283 ADCOCK, R. J., Equations for an ellipse drawn through S points 59 = 222 AITKEN, R. G., Companion to /3 Ononis (^ /3 555) P6 : 585 On double stars P13: 65 Orbit of /3 Delphini P10:486, 11= 28 jS 395 = Ceti?,2 P13:i90 f Sagittarii P9: 57 Review: Double Star Catalogue by S. W. Burnham P8:228, P15:404 Sources of Standard Time in the U.S Pio: 12 ALBRECHT, S., Distortions of photographic films on glass P15:463 AMES, J. S., Line spectrum of oxygen A3 : 505 Modern spectroscope Al : 28 Probable spectrum of sulphur A2: 50 Work of Kayser and Runge on spectra of elements A2 : 226 ANDERSON, T. D., Searching for new stars P10:246 APPEL, D., Free escapement with independent balance Ai:872 ARCTOWSKI, H., Northern and southern lights at the same time P9 : 207 AUHAGEN, W., A Demonstration P15:44S AYER, J. E., Gravitation P13: 170 BACKHOUSE, T. W., Maps for tracing meteor paths S5: 114 Structure of the sidereal universe S9 : 337 BACON, C. A., Sun-spot observations at Smith observatory 59:137, 230, 278, 37S, 417, 467; 510:36, 103 BAILEY, S. I., 0, Centauri A2:689 BAKER, R. H., and D. TODD, Predictions of eclipse, Aug. 30, 1905 P13:24o BARNARD, E. E., Astronomical photography with a portrait lens Pie:286 Aurigae, Nova P2 : 307 Comet II 1882 (6 1882) Si:22i, 255 V 1889 {d 1889) 58:360 V 1892, {e 1892) Photographic discovery of P3: 13 c 1893 Brooks (Oct. 17, 1893) ; A3:789; Pi: 145 d 1907 (Daniel) PI6: 591 Gale, Photographs of A3:42i, 706 Swift observed and photographed Al : 3S6 Comets' tails and their probable explanation P12: i Determination of ball and ring system P2:295 Development of photography in astronomy P6:42S Diameter of Ceres, Pallas and Vesta A3:34i Diameters of south polar caps of Mars, 1892 and 1894 P2:433 Eclipse of moon, 1889 gg: 1,7 in Sumatra P9:S27 ASTRONOMICAL PUBLICATIONS Volume and Page BARNARD, E. E., (Continued) Eros observed at Yerkes observatory P8: SiP Four little sky travellers P3 : 143 Gegenschein or zodiacal counterglow PI : 337 ; P7 : 169 Jupiter's spots and markings, Motions of 810:413 red spot Ai:93, 686; A3:736; P2:i29 satellite III A3:82i V A3:s56; Pi: 76 satellites AZ-272, 438 Mars observations at Lick observatory Ai:68o Mercury, 1894, Transit of P2: 168 Merope nebula. Drawings of SI : 24 Meteor trains drifting Si: 174; 510:426 Meteors, Biela SS: 74 Photography of P5:28l Micrometrical determination of dimensions of planets and satellites. -PS : 285 Nearer to the stars P2 : 245 Nebulosities and clusters in the Milky Way, Photographic A3: 177 p Ophiuchi nebula and smallness of ground-work stars P5:227 Orion nebula. Great photographic A3:8ii ; P2: 151 Pleiades, Exterior nebulosities of the A3: 768 Swift's nebula in Minoceros A3 : 642 Trifid nebula. Photographs of M8 and A3:7gi Photographing with a non-photographic telescope 810:331 Proper motion of stars in the Dumb-Bell nebula A3: 445 Saturn, Transparency of Crape ring Al: 119 Stellar photography S6: 58 Strange astronomical coincidences SIO: 18 Vacant regions of the sky P14 : 579 Variable in M13 Herculis PS:486 Venus' transit SI : 290 BARNUM, C. C, Sophie Kowalevski Al:28i BARR, J. M., Orbits and velocity curves of spectroscopic binaries P16:259 Study of variable stars P15:2I7 BARTLETT, A. K., Curious optical illusions Pl2: 123 Heavens in winter P13 : 30 Moon and the weather P10:368 Origin of the tides P11:4Q4 Solar and sidereal time P12 : 649 Wet and dry moon P9:442 Zodiacal light PIO: 179 BECKER, L., Spectroscope of the Royal observatory, Edinburgh A2:542 Spectrum of Nova Persei P12:6o3 BELOPOLSKY, A., Motion of f Herculis in line of sight A3: 130 Spectrum of /3 Lyrae A2:2S8 Sun's rotation determined by faculas A2:632, 637 INDEX OF AUTHORS 9 Volume and Page BICKERTON, A. W., Explosion of stars P12:666 BIGELOW, F. H., Aurora-inclinometer, A new 810:496 Automatic transit instrument S7 : 205 Computations of clock corrections S7 : 97 Cooling envelopes S6 : 170 Eclipse expedition to West Africa S9: 14S Function of criticism in the advancement of science P7:2S2, 292 Harkness, William Pli:28l Heliographic longitudes A2 : 821 Magnetic fields surrounding the sun -AS: 706, Cor. A2:848 Mounting telescopes for eclipse observations Ai:2S7 Photographic method of determining stellar places Al : 42 Polar radiation of the sun A3 : 25 Solar corona of total eclipse, 1893 A2: 97 Standardizing photographic films without a standard light 810:385 Sun as a magnetized sphere P14 : 37, 463 Sun-spots as vortex rings S6 : 139 Weather indications along the eclipse path, May 28, 1900 P7:4Si West Indian hurricanes and solar magnetic influence A3: 441 BIGOURDAN, Eclipse of Aug. 30, 1905, at Sfax, Tunis PU: 28 BISHOP, S., Origin of the red glows S5:i28 BLAKSLEE, T. M., The law of the lanes P13:iii BLINN, F. G., A non-interfering break-circuit for clocks 810:475 BLISS, G. A., Motion of a heavenly body in a resisting medium P6: 20 BOCCARDI, G., Photography of the heavens P12:52i BORASTON, J. M., Andromedes A2: 3 Distribution of stellar types A2: 57 BOSS, L., Comets; their composition, purpose, and effect upon the earth. -Si: i Convergent of a moving cluster in Taurus P16 : 566 "National" vs. "Naval" observatory SIO: 161 BOWEN, E. A., Jupiter at opposition PI : 133 Lesson on harvest moon PI : 32 Visualizing the earth's annual motion PI : 178 BOYD, J. H., Position of orbit of companion of a binary star P3: 19 BOYS, C. v., Newtonian constant of gravitation P3: 128, 167; P4:77, 120 BRACKETT, F. P., Leonids observed at Park college P8:i63 Pomona college P7 : 30 BRACKETT, 8. H., Improvised chronograph Al :252 BRASHEAR, J. A., Allegheny observatory P8:54i Care of, and cleaning of, object-glasses P2: 9 Clark, G. B. Ai:367 European trip S7 : 391 ; 88 : 7 Keeler, James E P8:476 Langley, Samuel P P14 : 257 Manufacture of glass for optical uses P6 : 104 telescope objectives. .- -PI :22i, 241, 447; P2: 57 10 ASTRONOMICAL PUBLICATIONS Volume and Page BRASHEAR, J. A., (Continued) Refinement of modern measurements | /* Ring of light around Venus l3l-203 Rock salt for optical purposes 60.149 Solar eclipse of 1888 report ■ S8:i20 Standard dimensions in astronomical instruments •5' • 77 Swasey, Ambrose • ^^'"345 BRENKE, W. C, Apparent figure of the sky P9:3Si Leonids in 1901 , ^^^'- I°S BRESTER, A., Jr., Theory of the sun Ki'-giA; A3:2i8 Views on tranquility of the solar atmosphere A3-849 BRIDGES, R., The Astronomer (C. A. Young) P13: 172 BRONTE, P., Halley's Comet in 1835 P12:S7I BROOKINGS, E. J., The red light S9: 149 Waters upon the earth 88:301 BROOKS, W. R, Comet seeking P7: iS7 BROWN, E., Unusual sun-spot A2: 74 BROWN, S. J., Astrophotographic conference, July, 1900 P8:3SS Solar parallax from observations of Eros P8 : 353 BROWN, W. v., McKim observatory equipment 84:305 BRUCE, R. E., Notes on sun-spots Pls: 82 BRYANT, C. S., Aurora Si: 88 BUCHANAN, R., Approaching opposition of Mars P13: 137 Art of computing P15:287 Constants for the equator P16 : 346 Differential calculus by means of finite differences P13:24S, 309 Equinoxes of the planets P13 :282 Planetary aberration P13 : 376 Semi-diameter of the planets P13:209 Synodic period of Jupiter and Saturn P16 : 65 Using Professor Newcomb's planet tables P15: 133 Visual brilliancy of the planets P13 : 175 BUMSTEAD, H. A., Josiah Willard Gibbs Pli:446 BURCKH ALTER, C, Disappearance of Saturn's rings P16: 127 Observations at Cloverdale, California 88: 97 BURGESS, G. K., Value of the gravitation constant P10:42i BURNHAM, 8. W., Astronomy in Russia A2:S9S Barnard, E. E. PI : 193, 341, 441 Binary star systems. The P4: 160 stars ; /3 416 and Scorpii 185 810:489 ^ 208 Ai:464 ^ 612 Ai:268 Bright-wire illumination for micrometers 81: no Camera for celestial photography 810:325 f Cancri, System of A2:872 INDEX OF AUTHORS ii Volume and Page BURNHAM, S. W,, (Continued) /3 Cassiopeiae, Companion to P8 : 540 Double star 7 Andromedae •, . ■ • Slo: 118 26 Draconis, § 962 88:356 c Hydrae 88:207 ^107 P7 : 1 ; P8 : 528 S 186 SIO: 72 A lost Pll : 250 measures at Royal observatory, Belgium P13: 15 observations at Cape of Good Hope P13 : 333 Flower observatory PIO: 129 observing 81:25, 73 orbit found by graphical method Pi:243, 349 stars discovered at Washburn observatory 88:299 Ellipsograph and Protractor P4:i8i ; Cor. P4:336 Enlarging photographic lens Al : 558 52 Herculis ((3 627) Al : 465 Hough Catalogue and re-measurement of double stars (E. Doolittle) P15:624 Hussey's measures of the S double stars P9'553 Measures of 748 double stars 83 : 67 Orbit of 9 Argus A3:2go i Aquarii, (S 2909) P4:474 Castor P4:286 35 Comae Bernkes (2 1687) and 0^4 P5: 125 \ Cygni, 2 413 P4:397 /3 Delphini (p 151) 810:215 T Ophiuchi P4 : 347 2 1216 P5:45o 2 2107 P5 : 449 2 215 P4:543 S 28s 810:273 . Period of S Equulei (0 S 535) 82:244 Place of Tycho Brahe's star S9 :449 Poulkowa double star measures A3:3S4 Proper motion of components of 61 Cygni SIO: i ^ 182 P8:53o ^612 310:323 Procyon A3:434 2 1321 8I0: 168 2 1604 , Ai:87o motions of double stars A3 : 14 Recent double star work PI4: 70 Researches in the evolution of stellar systems P4:47i Small vs. large telescopes S4: 193 Struve double stars (Lewis) P14:S2-5 ASTRONOMICAL PUBLICATIONS Volume and Page BURNS, G. J., Number of the stars P12:267 BURNS, K., Solar parallax by spectrographic observations of Venus P15:556 BYRD, M. E., Astronomy by the laboratory method in secondary schools P7:472 ; PIO: 131 ; P14:294 in the high school Pn:sSo; P12:24, 199; P13:S4S; P15:227 First observations of the sun and moon Pi:2i6, 252 Hints on popular study of astronomy S6- 151 Laboratory for general astronomy PIO: 131 Plea for elementary astronomy P15: 25 Popular fallacies about observatories 55:263 Stars and the Milky Way P6:288 Winlock, Anna P12:2S4 CALLANDREAU, M. O., Comparison of minor planets and short period comets P12 : 1 1 7 Henry, Prosper Pll : 558 CAMPBELL, P., Auroral arch of Aug., 1903 P15:448 Determining Sundays in February PH '• 167 Might a comet strike the earth? P8:253 Remarkable phenomenon PH ^484, 575 CAMPBELL, W. W., Aurigae, Observations of Nova Al:7is, 820, 881; A2:i49, 417 Castor, a quadruple star P13." 87 Comparative power of the Lick 36-inch refractor P16:s6o Earthquake of April 18, 1906, and Lick observatory P14:44i Hydrogen envelope of DM+3o°3639 A2:9i3 Mars' atmosphere P3:439 Normae, Observations of Nova A3:3ii Solar eclipse of Aug. 30, 1905 P12:456 Spectra of comets & and c 1893 A3 1571 Orion nebula and others A3:384, 494, 69s Spectroscopic observations of motions Al : 319 Spectrum of y Argus , A2:555 Aurigae, Nova Al:799; A2:722 comet a 1892 (Swift) Ai:698 Mars A3:7S2 Sun's distance obtained from observing Eros P9: 88 Wolf-Rayet stars A3:448 CAMPBELL, W. W., and C. D. PERRINE, Announcing satellite discov- e"es PU: I3S, 252 CARLISLE, C. W., Observations with a small telescope P12:328 CHALLICE, R., Are the planets inhabited? PH:4r7 CHAMBERS, G. F., History of astronomy 810:457 New general catalogue of stars S9 : 203 CHANDLER, C. H., Apparent size of the sun P7:342 Silvering glass mirrors A2 : 93 INDEX OF AUTHORS 13 Volume and Page CHANDLER, S. C, Almucantar tests 82:269 Astronomical work of W. L. Elkin P3:392 Latest knowledge of the motion of the pole P6:5og Life and work of Dr. B. A. Gould P4:34i Planet DQ 1898, The name of the P7: 26 Positions determined near plate borders P7:286 Problem for beginners in cometary computation P6:4S9 Rotation period of Venus and Mercury P4:393 CHARROPPIN, C. M., Mirage P5: 23 Stephen J. Perry 59= 197 Washington university eclipse party S8: 122 CHRISTIAN, I. E., Gegenschein, The P9: 146 Meteors and stellar scintillation Pi:4i4 Moon's secular acceleration P7:32g Solar corona P7 : 28 Tidal friction and planetary rotations P9: 194 CHRISTIE, W. H. M., Micrometer for measuring astrophotographic plates A2:s88 Wire-intervals for transit instrument. Determination of P15:302 CLARK, A., Autobiography S8: log CLARK, A. G., Great telescopes of the future A2:673 Possibilities of the telescope A2 1319 CLARK, G., Value of photography for astronomical investigations P9 : 294 CLARK, J. M., The English mile S9: 155 CLARKE, H. L., Life history of star systems P3:489 CLERKE, A. M., Distribution of the stars A2:5IS Is star-strewn space infinite ? P4:43i New star in Auriga Al : 504 System of f Cancri S9 : 300 Yale measurement of the Pleiades 86:254 CLEVENGER, S. V., Optical appearances of comets S6: 89 COAKLEY, G. W., Are comets ever repelled by the sun ? Al : 97 Comets, Additional points relating to Al : 652 Eclipses and occultations computed S4:207 Nebular hypothesis of LaPlace S7 : 132, 191 Orbit of a body approaching the sun 810:305 Probable origin of meteorites Al : 753 Relation between a planet's rotation and revolution times 810:217 Stability of the rings of Saturn 89 : 3, 67 Tidal theory of the forms of comets Al : 177 CERASKI, W., Stellar magnitude of the sun P14:226 COGSHALL, W. A., November meteors P7: 71 COIT, J. B., Aurora of Aug. 21, 1903 Pll:534 Solar prominence P12:4SS 14 ASTRONOMICAL PUBLICATIONS Volume and Page COLBERT, E., Intra-Mercurial observations S6: 84 Motion of lunar apsides S6 : 49 COLLINS, F. H., Cyclone theory of sun-spots Ai:826 COLTON, A. L., and J. M. SCHAEBERLE, Parallax of a meteor deter- mined by photography 'P5'-27,z COMMON, A. A., Address on astronomy P8:4i7, 496 before Royal Astronomical Society Ps: i Photographs of nebulae S8 : 25 Silvering glass mirrors Ai:852 Two large telescopes -. A2 : 1 1 COMSTOCK, G. C, Aberration and atmospheric refraction of light A3:3'!9 Adjustment of a sextant S7:i29 Atmospheric refraction at Madison, Wis A2:769 S. W. Burnham on double stars 810:277 Constants of refraction and aberration 86:310 Defects of sensitive levels 810:299 Double star observations S9 : 78 Efficiency of a small instrument 810:406 Establishing a meridian line P9 :246 Graphical representation of a comet orbit P6:46s Lick observatory meridian circle 86:225 Motion of comets when far from the sun PIO: 169 Problems in the astronomy of precision P4:4S7 Refraction in zenith distance 59 : 135 Saturn's rings 810:468 Significance of the star-ratio P15: i^i Sun's motion referred to group of faint stars Pl2:ii2 Time and latitude determined from equal altitudes of stars Pli:2.58 Value of one revolution of a micrometer screw 87:34? Correction 87:-ioo COOKE, W. E., Device for facilitating meridian circle transitings PIO :36s Obtaining time, latitude, azimuth accurately for field-work Pli: 169 Perth catalogue of 420 standard stars pig ; jg^ observatory meridian work P15"-iqo COPELAND, R., Naval observatory coi:,„ Nova in Auriga . i . Grant, Robert '■'■'■'■'■'■'■ ■'■'■■' '■'.'.' '^''.'.''.'.'.'l\$i, Mars satellite. Pretended early discovery of a 1 ■ c^-, Smyth, C. Piazzi ^'-S^^ CORDEIRO, F.J. B., Atmosphere Viz'-l. Color-Perception .■.■.■.■ .'pisifeg ^'"""^*'°" PI3: 8 Gyroscope PIS-S CORNU, A., Study of diffraction gratings .A3:2^7 INDEX OF AUTHORS Volume and Page CORRIGAN, S. J., An astronomical theory of the molecule and an elec- tronic theory of matter — PlS:s8s ; P16:2S, 98, 148, 300, 367, 4". 493, 533, 619 Comet meteor streams S5 : 145 Constitution and function of gases P4:247 Effects of collision between asteroids A2:207, 304, 474 rotation upon the fluid envelope 87:369, 420 ; S8: 49 Intra-Mercurial planets, Conditions of visibility of P5:89, 139 Probability of four P4:4I4 Longitude from sextant observations S6: 175 Meteoric orbits and radiants S5 : 33, 100 Probable origin of comet Holmes A8 : 24, 99 Radiant energy, Probable effects of Al:362 through gaseous media. Transmission of Al:i, 108 Rotation time a function of density 88:210 Simonton, T. D P16:466 Surface temperatures of Mars, Venus and Mercury P16:258 Theoretical parallax of the Andromeda nebula P16:2s6 CORTI, J. S., Simultaneous determination of latitude and azimuth S10:i89 CORTIE, A. L., Auriga, Temporary star in A2:S2I Chromosphere line Angstrom 6676.9 Al : 13S Problems of solar physics P15 : 173 Studies on the solar spectrum Al : 393 Sun-spot group of 1891 Al : 130 positions measured by Stonyhurst disks P16:426 spectra Al : 587 COURVOISIER, L., Leo de Ball's refraction tables P15:456 COX, H. J., Recent studies in the solar constant PI3: 147 CRAWFORD, R. T., Computing elements of asteroids from daily motion P14 : 397 and W. F. MEYER, Orbit of Jupiter's satellite VIII P16:49i CRAWLEY, E. S., Solar heat and gravitation 87:325 CREW, H., Concave grating to study stellar spectra A2:is6 Gravity with altitude. Variation of A3 : 404 Light, Theoretical and Practical by R. T. Glazebrook A3: 402 Measurement of solar prominences Al : 90 Method of obtaining color curve of a lens Al :933 Pringsheim on Kirchhoff's law Ai:s8i Radiation of heated gases A3 : 587 Theory of optical instruments, C. Czapski A3: 241 Spectrum of Nova in Auriga- ■'■ Ai:23i sun-spot group, February, 1892 Al : 308 CREW, H., and R. TATNALL, Mapping the spectra of metals A3: 741 CROMMELIN, A. C. D., Announcing discoveries of satellites P14:i47, 380 Astronomical work for 1905 PX4 : 1 1 New planet TG P14:472 i6 ASTRONOMICAL PUBLICATIONS Volume and Page CROOKES, W., Recent advances in science P6:493; P7: 3 CROWL, G. M., New earthquake theory objectionable P16:394 CURTIS, R. H., Reduction of radial velocity spectrograms P15: 68 CUTLER, MARY B., The Superstructure 55:267 DANIEL, Z., Comet c 1898 (Coddington) P6:358 and H. N. RUSSELL, Venus as a luminous ring P15:si6 DARWIN, C. H., Evolution of double stars A2:4I3 d'AURIA, L., Constitution of the ether P15: loi Kinetic theory of gases P15:2io and correctness of equations Errors, in P15:3S7; P16:24l Relation of mass of universe to stellar dynamics P12: 20 between speed of stellar motion and velocity of wave propagation bearing on the nature of ether Pli:2S4 DAVIDSON, G., Intra-Mercurial planets S3:ii3 Meteors, Nov. 23, 1892 A2: 86 Occultation of Aldeharan 56:195 u. Tauri 56 : 45 Vision, Limits of P10:ill DAVIS, H. S., Allen, Richard Hinckley P14:s93 ; P16: 189 Calculating machines P4: 20 Computing transit factor tables P10:3O3 Concise knowledge library, — Astronomy, A. M. Gierke P6:i90 List of stellae novae P9:284 Notes on mathematical symbols P5:402 nomenclature of some Piazzi stars P13:423 Outline of the history of astronomy P6:45S Parallaxes and connection of 61 and 61' Cygni P6:487 Rittenhouse, D., P4 : i Women astronomers P6 : 129, 211, 220 171 331 62 23s 59 los 167 14 398 S6 -10 202 168 299 121 DAWSON, W., Number of sun-spots S3 DEAN, J. C, Story of Halley's comet P16 DENNING, W. F., Astrographic chart P5 Chief discoverers of comets S9 Comet and meteor observations PIO 1862 III ? Who discovered P7: IS ; Cor. P7 Fireball P5 Jupiter, Dark spot on P7 Motion of the red spot on S9:i4o; PH:4, 460; P15 Red spot on 55:62, 281; P9:488; Cor. PIO Markings and rotation Period of Saturn P12 Mercury as a naked eye object P8 Meteors 59: 141 ; P15 Heights of S8 Paths of brilliant piO Meteor radiants 59:438; 510:234; A3:6oo, 872 showers 55: 61, 106, 167; S6:i6o, 287, 356; 57:447; PleiipS INDEX OF AUTHORS i7 Volume and Page DENNING, W. F., (Continued) Meteoric observations P^3 : 107 Naked eye comets P15 : 41 1 Planetary observation Pll ■ iP Shooting stars Pi: 34, 67, 97, i47, 208, 267, 296, 336, 345, 438 and aerolites, Nature of Ai:48i Small vs. large telescopes S4 : 259 Telescopic meteors P15: 170 DENT, E. A., Herschel, Caroline Pli: 123 DESLANDRES, H., Radial motibn of the stars with siderostat Ai: i57 Remarkable prominence Al : 502 Solar atmosphere ^ Ai:6o, 314 Spectra of sun and Nova Aurigae Al : 712 DEWAR, J., Liquefaction of gases and low temperatures P10:469, 531 ; Pli:8, 79, 117 and C. D. LIVEING, Spectra of flames Al:2i5 and metallic compounds. .. .A2 1434 Spectrum of liquid oxygen Al : 70S DINWIDDIE, W. W., Conducting electric circuits to the eye end of an equatorial P10:3oo DIXON, S. M., Photo-electric effect of starlight Ai:844 DOLE, R. M., Perseid meteors P10:499; P13:3|7 and Lyrid meteors, 1903 Pli:si4 DONAGHE, H. R., Photographic flashes from Harvard observatory P6:48i DOOLITTLE, C. L., Flower observatory of Pennsylvania university P5:i22 Longitude by moon culminations S4 : 23 1 Ring micrometer observations of comets Fabry, and Barnard 85:256 Some observatories and observers Pll :467 DOOLITTLE, E., Discovery of an unseen body, F 70 Ophiuchi P3:329 Effect of refraction on the measures of double stars P5: 143 Lost double star P13 : 398 Perfection of mounting of great telescope P7: 149 Results of Helmholtz's theory of solar contraction P3: Ji Variation of latitude P3 : 105 Wharton reflex zenith tube P14:530 DOUGLASS, A. E., Almucantar, A new Pli:252 Ascent of Popocatapetl P5 : 505 Astronomer's globe P5 : 57 Atmosphere, telescope and observer P5 : 64 Comet 1892 I (Swift) A2:202 Effect of mountains on atmosphere P7:3S4 Gegenschein observations P2 : 29 ; P5 : 178 Jupiter, Disks of its satellites A3:si7 Drawings of satellite III P5 : 308 Surface markings P8:473 i8 ASTRONOMICAL PUBLICATIONS Volume and Page DOUGLASS, A. E., (Continued) Lowell observatory and its work P2- 395 in Mexico P4:489 Mars P7:iT3 Lick review of P4: 199 Polar cap of A3:738 Predictions of projections on terminator of Pll! 24 and planetary work P7' 74 Persei, Nova P9:263 Scales of seeing P6:i93 Stellar bands in the zodiac from Gemini to Scorpio P5:sii Zodiacal light, Photographs of P8:i74; P9:i90 DOWNING, A. M. W., and J. J. STONEY, Ephemerides for two situa- tions in the Leonid stream P7:403 Perturbations of the Leonids P7:227 DREW, D. A., Calendar for Mars P4:4i7 DUNER, D, C, Is there oxygen in the atmosphere of the sun? A3 :21s DUPUY, A. B., Reflectors vs. refractors 58: 88 EADIE, J. H., Andromeda nebula 54:298 ; S5: 79 Meteor observations S5 : 3 17 Star colors S7:2t9 EASTMAN, J. R., Longitude and latitude of the new Naval observatory A2:699 Neglected field of fundamental astronomy A2:i26, 315 Transits of inferior planets S2! 182 EASTON, B. S., Sun-dial of Ahaz P7:242, 277 EBERT, H., Electro-magnetic theory of the sun's corona A2:8o4 Spectra of new stars P12:239 EDDIE, L. A., Meteor trail seen at Grahamstown, Oct. 22, 1895 .P3:27i Spectrum of 7 Argus PS : 123 Lunar eclipse of March 11, 1895 P8:449 EDGECOMB, D. W., Notes on the invention of the telescope P7:i84 Performance of a 6% inch binocular P10;s.23 Reflectors P2:366 Teneriffe, Alte Vista, Leyde 89:392 Visit to Slough S9: 52 EDMUNDS, J., The twentieth century P8: 140 ELCHARWICH, F., Lunar cusps with the horizon P7: 52 ELKIN, W. L., Instrument for photographing meteors A3:626, P2: 17 Mean parallax of first magnitude stars S7:39S Velocity of meteors from photographs P7:44i ELLIOTT, S. B., New system of mounting a telescope at Amherst P10:463 ELLIS, J. T., Star of Bethlehem 86:360 ELY, O., Is the. universe infinite? Pl6:435 ENGLEH ARDT, B. von. Total solar eclipse of 1887 S7 : 161 ENNIS, J., Center of sidereal system 82:113 Colors in the solar corona 86:27-? INDEX OF AUTHORS i9 Volume and Page ENNIS, J., (Continued) Electric phenomena in solar system S5.234 Total solar eclipse of August 1887 S6:ios Two problems in sidereal astronomy S!J: 67 ESPIN, T. E., Spectrum of a Herculis A3:6si EVANS, H. B., Orbit of A 15 P7:3o6 EVERSHED, Jr., J., Distribution of solar prominences, 1891 Ai:426 Faculae and prominences photographed A2:628 Parallax of the gegenschein PTJzBp, 352 Solar prominence photography Ai:827 EWELL, M. D., Underwood observatory 810:519 FAULHABER, C, Construction of large telescope lenses P13:S34 PATH, E. A., Comet a 1901 P9:289 Northern limit of the zodiacal light P16:633 FEATHERSTONE, W. B., Photographing the corona P8:250 FENYI, J., Solar prominence, 1892 Ai:6o9; A2: 37 Enormous velocity of the Al : 63 Sun-spot group. Phenomena observed on A1J430 Two great protuberances ■ A3 : 122 FERGUSON, R. H,, Sun-spots for 1885 84:238, 261 FERREL, W., Variable star Algol A2:429 FERRY, E. S. and E. P. LEWIS, Infra-red spectra of metals A3: 747 FICKLIN, J., New proof for differentials 82:209 FITZGERALD, G. P., Existence of all-pervading ether proved 87:386 FIZEAU, M., Aberration of light and solar prominences Ai:i26 FLEMING, M., Stars having peculiar spectra Ai:27, 418, 765 ; A3:soi Novae in Aquarius and Delphini SIO: 106 Perseus, Triangulum, and Hydra 810: 7 FLEMING, Mrs. M., Field for woman's work in astronomy A2:683 FOERSTER, W., Hencke, Karl Ludwig SIO : 20 and O. JESSE, Observations of night clouds requested Ai:8S9 FOLIE, F., Peters' observations treated by Chandler A2:874 FOWLER, A., Approaching total eclipse of the sun P4: 28 FOURIER, BARON, Historical eulogy on LaPlace P3: i FRANKS, W. S., Roberts, Isaac P12:469 FRIC, J., and FR. NU8L, Communication about the diazenital P13: 16 FRI8BY, E., Comet b 1882, (1882 II) 82: 188 Transit of Venus Si: 182 FROST, E. B., Photometric observations of the planets A2:6i9 Potsdam spectrograph A2 : 150 Relative activity in two solar hemispheres 89: log Thermal absorption in the solar atmosphere Al : 720 Total solar eclipse of May 28, 1900 P8: 86 Unit of velocity in the line of sight A3:i6o FURNESS, C. E., Photographic catalogue of north polar stars Ps: i Scientific value of total lunar eclipse P3: 109 20 ASTRONOMICAL PUBLICATIONS Volume and Page FURNESS, C. E., (Continued) Tyclio Brahe P3:22l FURNESS, H. H., Jr., Equation of Cartesian co-ordinates 89 = 200 GERRISH, W. P., Break-circuit for clocks S9: 124 Transit observations by photography S9= ill GETMAN, F. H., The ether P7: 86 GIBSON, F. M., Care of the telescope Pi:4i2 GIBSON, W., Number of the stars P14:S94 GILBERT, B. D., Peters' celestial charts 81:288 GILL, D., Extracts from presidential address V15.^67, 528 GILL, W. J., Jr., Variable stars P4:434 GILPIN, C, Jr., Approximation of greatest root of cubic equation with 3 real roots P14:64i GLASENAPP, S., New variable star in Aries A2:so3 Orbit of binary 20 Persei = /3 524 A2:499 § 416, {Scarpa 185) A2:402 double star O S 224 A2:702 j3 612 Ai:466 GODDARD, H. C, Subdividing the surface of a sphere into congruent parts P10:4o6 GOODENOW, 8., Velocity of sound 88:307, 382 GORE, J. E., Astronomical facts and fallacies P16:S2S Brightness of starlight P9:5o6; P10:227 Companion of Algol P12:339 Immensity and minuteness PIO : 235 New cosmogony P14:si5 Orbit of binary 2 224 A3:SS9 70 Ophiuchi SIO: 45 Spectra of stars in the Milky Way Al : 326 of large proper motion Al : II GORE, J. H., How the earth is measured A2: 26 GRAFF, K., Variable star observations at Hamburg P13:S14 GRAY, B. L., and W. E. WILSON, Effective temperature of the sun A3:382 GREGORY, R. A., Spectroscope in recent chemistry P3: 70 GRIFFITHS, H. F., Physical aspect of Jupiter in March, 1896 P4: 25 GRIGGS, H. W., Brilliant meteors P14:S7I Lantern projection distances P15:3l6 GRUBB, H., Good astronomical telescopes 87: 106 GURLEY, W. C, Electrical control of equatorials in photography A3: 641 HADDEN, D. E., Auroral phenomena at Alta, Iowa PIO : 249, 388 u Ceti observations P7 : los Grating spectroscope for small telescope P3:84 IS-' Large sun-spots in 1903 Pli:s6o Solar observations P7:4o8; P8:222; P10:2S4, 348; Pll:488; P13:i96; P14:6o3; P15:6o7 Spectroscope for small telescope _' _ p^o ; 3=2 INDEX OF AUTHORS 21 Volume and Page HADLEY, S. M., Masses of binary stars Pli:24o; P13:26o, 323 HAGEN, J. G., Atlas of variable stars P5:2o; P7.: Ss Chart and catalogue for observing Nova Persei P9: 191, 279 Deflection of the level S3 : 75, 107 Kepler's correspondence S6: 109, 133, 212 Laws of falling bodies S4 : 15 Lunar eclipses as problems for students S3 : 46 HALE, G. E., Astronomical work with inexpensive apparatus. . .P16:74, 167, 438 Astrophysical Journal Ai:i7; A3:83i Heat radiation of the stars P7 : 503 Kenwood physical observatory 810:321 Magnesia fluting in connection with spectra of the nebulae SIO: 23 Pending problems in spectroscopy SIO: 89 Persei Nova P9 : 264 Photographic study of the sun Ai:8ii Photographing the solar corona without an eclipse A2:26o; A3: 662 Photography and the invisible solar prominences 810:257 Solar disturbance Al:6il faculae A2:4So, A3: 113 observatory mirror P14:SS7 work P15:s63 photography at Kenwood observatory Al:407 prominence photography Al : 70 and terrestrial phenomena, Coincidence of A2: 167 Spectroheliograph A2:24i and solar phenomena Al:6o3 Spectroscopic observations of sun-spot group, Feb., 1892 Al:3io Sun's surface and terrestrial magnetism Ai:9i7 Ultra-violet spectrum of the solar prominences Ai:so, 602, 821 Yerkes observatory of the university of Chicago Al : 790 HALL, A., Aberration and solar parallax S2: 165 Clairaut's theory of the figure of the earth Pg: go Coramensurability of motions S4 : 200 Determination of orbits P13 : 353 Elliptic motion P13 : 2S7 0^ Eridani 51 ; g , Euler-Lambert equation for parabolic motion P8: 2 Gould, B. A. ^ P4:337 Images of the stars 55: qj Note on multiplication P9 : , j Parallax of a Lyrae and 61 Cygni S2 : i Photographs of occultations of Mars, 1892 Ai:6io Planet DQ, 1898, {Eros) Peigg; Plus probans quam necesse est P7: j. Rejection of discordant observations 86:297 Resisting medium in space 88:4. -(^ 22 ASTRONOMICAL PUBLICATIONS Volume and Page HALL, A., (Continued) Rule for squares of consecutive numbers P9:i6l Sketch of theoretical astronomy PS" 9 Spheres of activity of the planets P7,- l8o Transformation of differentials of area and volume PIO: 5 Work of astronomy S4: 97 HALLEY, E., Elogy on Sir Isaac Newton P12:so4 HALSTED, G. B., Astral geometry P9:i87 Non-Euclidean geometry .. P7 : 482, 519; P8:8, 189, 267; P9:S5S; P10:26, 176 HANCOCK, A. B., LaPlace on latitude variations P2:349 HANCOCK, H., Ptolemy's argument against the rotation of the earth. . -SB 1293 HARKNESS, W., Astronomical photography with commercial lenses- • • . A1J64.I Comets' orbits represented by models S6 : 329 Magnitude of the solar system A3 '■ 60S Method of measuring faint spectra SI- 52 Total solar eclipse, 1887 S7: i Transit of Venus SI : 143 HARMON, O. E., Astronomy of Shakespeare P6:232, 263, 321 Great circle on the celestial sphere P4'5S5 Lesson in parallax PI ^403 Mitchel, O. M., ("Old Stars") P5:4i3 Position of the earth's axis P2:2I9 Twilight P4: 148, 211, 252; P5:2S7 HARMS, C. F., Novel observatory P12: 73 H ARPH AM, F. E., Angle-measuring instruments P13 : 149 Hints for a small telescope P2: 106 Martin's "The Friendly Stars" P15:384 Rutherfurd photographs PS"- 129 HARRINGTON, M. W., Polarization of light of the asteroids S3: 79 Tools of the astronomer S2:248, 261, 297 HARRISON, H., Intra-Mercurial planets 88:135 HARTLEY, W. N., Line in the spectra of the elements Ai:223 HARVEY, A., Aurora and zodiacal light P10:332 Study of terrestrial magnetism P9:467 HASSARD, A. R. J. F., Aurora P15:256; P16:4S5, 517 Occultations of the moon in Praesepe P16 : 328 Venus observation P16 : 459 HASSELBERG, B., Index of refraction and dispersion of air A2:4SS Line spectrum of oxygen A3 : 760 Spectroscopic investigations at Royal Swedish academy Ai:793 Spectroscopy of sulphur A2:347 HASTINGS, C. S., Comet Cruls, b 1882, (1882 II) Si: 171 Construction of telescope objectives Si:244; S2: 39 History of the telescope SIO : 33s Objections to the theory of the corona 82:307 Phenomena of Venus' transit Si: 27^ INDEX OF AUTHORS 23 Volume and Page HAYES, E., Path of the shadow of a plummet bead P16'- 279 HAYES, L. D., Mirage from blast furnaces P16:32i HAYWOOD, J., Annual motion of the earth 87:286 Electric phenomena in solar system 55: 81 Tangent Index 85 : 270 Visible shadow of the earth S4 : 243 HAZEN, H. A., West Indian hurricanes and solar magnetic influence A3: 105, 443 HENKEL, F. W., Halley's comet P15:238 HERVEY, A. B., Northern lights P15:446 HESS, P., Transit of Venus, 1882 81:153 HESSE, F. H., Sun-spots and magnetic storms Ai:6is HIGGS, G., Geometrical construction of absorption lines in solar spectrum A2:s47 HILL, C. B., Reducing observations made with a transit A2:2i2 HILL, G. A., Brorsen's short period comet Ai: 7 Finding a focal point of a lens of long focus Pll : 379 New form of comet-seeker 87 :24i Requisites of a transit observer P13 : 362 Search for Comet 1892 III, (Holmes) A3: 324 Untried method of determining the constant of refraction P13:4I7 HIMES, C. F., Making of photography P8: 26 HINKS^ A. R., Eros and the solar parallax Pli:439 Reduction of 295 photographs of Eros P12:S3i, 589 HIRAYAM A, S., Maxima and minima of sun-spot periods P15 : 188 HOBBS, W. H., Goldschmidt law applied to the solar system P15:345 HODGINS, G. 8., Concerning the earth's motions P8: fio HOLDEN, E. 8., Among the stars PS: 531 Figure of nucleus of comet 1882 II, Gould 81:278 Lick eclipse expedition, 1889 88:330 observations of Mars 1892 Ai:663 observatory astronomical work P5: 181 telescope 87:49, 296 Mercury's rotation period 89: 167 Meridian circle at Strassburg S3 : 199 Orion nebula, Central parts of the S2 : 77 Photography of the planetoids P3 : 343 Saturn and his satellites S8 : i Search for Neptune, 1845-6 Ai:287 Stars for time determination SI : J24 Stellar magnitudes by photography S9: 12 HOLMES, E., Limits of vision P9:499 Planet Neptune Pie: g Shadow-bands- PI5: 77 Suggested origin of comet Holmes A2:37o HOLT, J. R., Canals of Mars ..][ ' A3:347 Cause of the gegenschein P2 ; g^ Polar snows and non-glaciation of Mars P2: 78 24 ASTRONOMICAL PUBLICATIONS Volume and Page HOLT, J. R., (Continued) Solar image reflected in seas of Mars A3:2S7 Spectroscopic determination of stellar rotation A2:646 HONEY, F. R., Eight-centered oval and ellipse P16:6i7 HOOKE, R., Ring formation. The theory of A2:766 HOOPER, J. R., Atmospheric conditions 88:230 Formation of sun-spots S7 : 397 Seas of Mars P4:30o HOPKINS, B. J., Hints to observers of Saturn S4: 49 HORNSBY, W. L, Chinese calendar P10:229 HOUGH, G. W., Chronograph, Electrical connections for operating a A3: 184 A printing S5 : 161 Comet a 1882, (Wells) (1882 I) Si: 96 Dearborn observatory 88:341 Doolittle's measures of Hough double stars P16:478 Equatorial, Electrical control of A3:S24 Observing seat for SI : 47 Illumination for a position micrometer S9: 161 Jovian phenomena Pli: 297 Jupiter P2:i4S; P3:5i9; P8:38i; P10:393 Physical constitution of A3:89; Pli: 63 Present knowledge of the surface of P13: 19 Red spot on 84:289; 86:325; 810:378 Rotation of the surface of P7:62; Pll:ii4 Spots and markings of Ai: 193 Occultations of stars by the moon. Computation of P5:45i On an infinite universe P16:46l Rotation of domes 82 : 133 World's congress auxiliary Ai:462 HOUGHTON, 8, Evolution of the earth 81:147 HOWARD, C. P., Determining apparent orbits of binary stars A3:425 Total eclipse of the sun. May 28, 1900 P8:sso; P9: 18 Aug. 30, 190S, at Burgos P13:s42 HOWE, H. A., Adjustment of a small equatorial P3: 131, 193 Astronomical books for the use of the student P9:29, 61, 169, 225 Comet 6 1882, (1882 II) 83: 97 Earth tremors 88:448 Eclipses computed by students 84:205 Experiments in electric lighting A2:505 Galileo, his life and works, (J. J. Fahie) P12: 80 Habitability of other worlds 84:294 Logarithmic computations S2: 45 Occultation of Aldebaran P13: 108 Place and function of astronomy in education P6:369 Pleasures of the telescope (G. P. Serviss) P9:286 Practical astronomy, (C. L. Doolittle) S5: 63 INDEX OF AUTHORS 25 Volume and Page HOWE, H. A., (Continued) Teaching of descriptive astronomy P4:22S, 363 20-inch equatorial of Chamberlain observatory A3: 709, 826 HUGGINS, M. L., Astrolabe Pa:i99, 261 ; A3:793 HUGGINS, W., Limit of solar and stellar light 59= 22 Photographing the solar corona without an eclipse 81:282 Solar corona S4: 136, 167 Spectrum of Nova Auriga A2:349, 609 Comet Wells, (1882 I) Si:ii4 Mars A3:77i Orion nebula 89:303 ; A3:s68 Sirius 89:318 Tulse Hill spectroscope A2:6is Visual appearance of Nova Aurigae A3 : 314 HUGGINS, MR. and MRS. W., Nova Aurigae Ai:57i Photographic spectra of Uranus and Neptune 88:450 Wolf-Rayet bright-line stars in Cygnus SIO: 49 HUNT, T. 8., Cosmic physiology 81 : 50 HUNTINGTON, G., Hymn S5:268 HUSSEY, E. F., Recent eclipse in Egypt P14: 129 HU88EY, W. J., Comet b 1893, (Rordame) (1893 II) P2:445 Photographs of A2:66i J 1898 (1898 V), Orbit of P6:ss6 Comet photography and Rordame P2 : 353 Observations of Struve double stars P7 : 153 HUTCHINS, C. C, Determination of the eccentricity of a sextant Pll:353 magnifying power of eye-pieces . 88 : 326 Pair of ancients SIO : 2 14 Platinum on glass mirrors A3 : 858 Ptolemaic and Copernican systems of Galileo P12:442 Quartz fibre 89 : 90 ILIFF, E., and L. WATERBURY, Group of time stars for amateurs. . . .P2: 74 INNES, R. T. A., On interpolation P9:389 IRISH, C. W., Total solar eclipse, 1889 88: 166 JACOB Y, H., Astronomer's pole P9 : 177 Astrophotographic chart A2:ii7; P3:2ii Cape of Good Hope observatory P3:2i7 Faith and the fourth dimension P16:298 German variation of latitude work Al:47i Rees, John Krom P16:639 JAMES, G. O., Professor Obrecht's catalogue P16:432 Reducing time observations v.-ith an engineer's transit P15:475 Time obtained with a surveyor's transit P13:499 JANSSEN, J., Age of the stars S7:202 Eclipse of May 6, 1883 82:179 Theory of the sun, by A. Brester, Jr A3: 238 26 ASTRONOMICAL PUBLICATIONS Volume and Page JENKS, A., Reversed curvature of the shadow of Saturn's rings S9:2SS JESSE, O., and W. FOERSTER, Night cloud observations requested. . .Ai: 859 JEWELL, L. E., Object glass grating A3:44, 155 Scales of intensity for lines of solar spectrum A2:8is JOHNSON, H. A., Dearborn observatory S7:38i JOHNSTON, W. H., Criticism of "Faith and the fourth dimension" P16:6is JONES, G. L., 7609 T Cephei P9:4o8 Persei Nova P9 ■ 573 JONES, G. S., An alt-azimuth mounting S10:so6 Are there possible Martians? P9:234 How to make a lens SIO: 68 Polishing and grinding a telescope mirror S9:353 Position of north pole of Mars PlO: 55 Visibility of Mercury P9:367 JOURDAIN, P. E. B,, Results from principle of conservation of energy P13: 36 KAPTEYN, J. C., Motion of nebulae near Nova Persei PIO: 124 KAYSER, H., Spectra of comets A3:204, 586 influenced by slit-width A3 1367 and C. RUNGE, Spectra of the elements A2:8o2 KEDZIE, J. H., New theory of solar heat and gravitation 57:438 KEELER, J. E., Central star of Ring nebula of Lyrae Ai:824 Chromatic aberration of telescopes A3 : 157 Comet b 1893, (1893 H) ." A2:65o Efficiency of spectroscopes for astronomical purposes 810:433 Electrical contact apparatus for astronomical clocks S7 : g Jupiter occultations S8:22i P J-yrae '. A2:3So Magnesium spectrum an index to star temperature A3: 660 Modern spectroscope of Alleghany observatory A2: 40 Nebular hypothesis Ai:s67, 768 Occultation of Mars, Sept. 3, 1892 Ai:83i Ring of light around Venus 81:292 Rock-salt for polishing 86:222 Saturn observed with Lick equatorial 87 : 79 spectroscopically P2:443 Short focus camera an advantage in spectrum photography A3: 772 stellar spectrum photography A3: 857 Spectra of Orion nebula and Orion stars A3:476 Spectroscope and some of its applications PI "9, 102, 169, 200; P2: 20 Spectrum of Comet 1892 HI, (Holmes) A2:272 P Cygni A2:36i nebulae 810:264 Star spectroscope of Lick observatory Ai: 140 Stellar spectra by Professor Lockyer A3: en Time service at Lick observatory 86:233 Translation of Scheiner's "Die spectralanalyse der gestirne," (E. B. INDEX OF AUTHORS 27 Volume and Page KEELER, J. E., (Continued) Frost) • A3:688 Wave-lengths in spectrum of nebulae A2:733 KELVIN, LORD, Sun's effect on terrestrial magnetism A2: 74 KEYSER, DIRECTOR, Division errors of meridian circle S3: 33 KIMURA, H., Six years' cycle of the polar motion, 1891-1902 P12:27o KING, J., Total eclipse of the sun, 1893 Al:863 KIRKWOOD, D., Arcturus Pi:248 Asteroid zone, Gaps in S3 : 6 Asteroids S6 : 1 16 ; Al : 785 and their relation to the planetary system Pi: 19 Asteroidal orbits S6:i69; S8:30S August meteors SI : 141 Comet 1866 and November meteors 34: 225 ■ Commensurability of motions S4 : 257 Heavenly bodies Pi:205 Meteoric astronomy A8:38s, 789; A3: 188 Motions of Jupiter, Saturn and minor planets A2:302 Origin of comets ■ S6 : 77 Relation of aerolites to shooting stars S6 : 248 short period comets to asteroid zone S7: 177 Stability of nebulous planets S4: 64 KLOTZ, O. J., Alaska boundary survey P3:348, 395 Latitude by elongation P3 : 199 Transmission of time P15 : 129 KLUMPKE, D., Measurements at the Paris observatory A2:783 KNIGHT, W. H., Some telescopes in the United States 810:393, 475 KONIG, E,, Non-screen orthochromatic and panchromatic plates by bath- ing P15:62o KRETZ, W. C, Stars in Coma Berenices P9 : 75 KREUTZ, H., Comets of the year 1906 P15:42i KRUEGER, A., Schoenfeld, Edward S10:27S LAMASTER, W. H,, Growth and magnitude of the sidereal heavens- ■ . .P3:226 LAMB, A. M., Change of latitude S4: 129 Determination of latitude S5 : 179 LANGLEY, S. P., Amount of atmospheric absorption 83:267 Dust envelope S3 : 21 New Spectrum P9:4iS Observation of sudden phenomena 88:291 Solar and auroral coincidence Si: 55 Winlock, William C P4:35i LANNEAU, J. F., Approach of sun-spot maximum P12: 67 Eclipse phenomenon P9 : 67 Physics of shooting stars P13 : 434 Source of the sun's heat P14:4io Sparsity of the stars P15 : 390 28 ASTRONOMICAL PUBLICATIONS Volume and Page LANNEAU, J. R, (Continued) Sun-spots in July, 1903 Pll 1372 LARKIN, E. L., Leonids observed in southern California PIO: 16 Mount Lowe Railway observatory P9 : 359 Stellar floor P10:2S2 LAVES, K., Adjustment of the equatorial telescope P8:424, 535 ; P9: 13 Ancient astronomical instrument P8:492 Arc method for descriptive astronomy P14:2I7 Attempts to replace Newton's law of gravitation P5:si3 Computing a planet's anomaly and radius vector P16: jSg Graphic method for lunar eclipses P15 : 533 New light from old records P14:276 LEAVENWORTH, F. P., Mercury surface undisturbed by earth tremors A3: 597 Parallax of 0. Arg. 14320 A2:2o6 Personal error in position angle observations SIO: 116 Proper motion of some double stars S8: 77 Telescopes, large vs. small S>9' 47 LE CHATELIER, H., Temperature of the sun Ai:si7 LEM AN, M., On a new pendulum escapement A2 : 882 LfiON, L. G., Leonidi observed in 1902 Pll : 53 Mars and Saturn, in conjunction P12: 147 Moon observations Pli: 276 Solar activity P12:66, 284 Sun-spots in December, 1903 P12:2i6 Venus and Jupiter in conjunction Pli: 160 LEONARD, W. L., Drawings of Mars P15:387 LEPPER, G. H., Nature of markings on Mars P13: 130 LEUSCHNER, A. O., Determining orbits from three observations P13:296 LEWIS, E. P., and E. S. PERRY, Infra-red spectra of metals A3 1747 LINDSAY, T., Astronomical myths P6:i39, 405; P7:i8i First lessons in navigation P5: 126 Occultation phenomena pg : 524 Science by co-operation P4 : 84 Theory of probability , P4:240 LIVEING, G. D., and J. DEWAR, Spectra of flames Ai:2is metallic compounds A2 : 434 Spectrum of liquid oxygen Al : 705 LOCKYER, J. N., Photographic spectrum of Orion nebula A3: 574 Spectrum changes in /3 Lyrae A3 : 575 Sun and his system P9:i2? LOCKYER, W. S. J., Magnetic storms, aurorae and solar phenomena- • -Pli: 552 LOEWY, M., Eros observations P8:488 International astronomical conference pg: ^g, Trepied, M. C P15:si9 LOOMI-S, E. F., Meteors seen at Dumont, Iowa P16:394 LORD, H. C, Solar disturbance ■\i:7-?8 INDEX OF AUTHORS 29 Volume and Page LOVE, J. L., First college observatory in the United States 87:417 LOWELL, P., Brontes, a study in Martian canal development P13: i Chart of faint stars visible at Lowell observatory P13:39i Double canals and separative powers of glasses P12:s7S Expeditions for ascertaining observatory locations Pll : 144 Kind of eye needed for detecting planetary detail P13 : 92 Manner of making the polar cap of Mars Pll : 369 Markings in Syrtis Major P4:289 Mars, Double canals of P5:234 North polar cap of P4:202 ; P15:4i6 Rifts and arctic canals on PIO: 113 photographed P13:479 Supposed signals from PIO: 185 Means of sharpening photographic image applied to Mars P15:6i2 Mercury P4:36o Micrometric measures of the diameters of Mars P3:287 Rotation of Jupiter Pli: i Standard scale for telescopic observation Pli:34, 218 Thoth and the Amenthes P13:2Si Tores of Saturn P16: 133 Transit of Mercury A3:86s Venus, 1903 PI2: 184 Rotation period and surface of P4:28i, 389 ; Pll: 426 LUMSDEN, G. E., Popular astronomical observatory P7:307, 371 LYNN, W. T., Arago on Newton P12:626 Eclipse of Agathocles P13:20i Thales P9:577 Sinus' color in ancient times Al : 634 Solar spots and their theories P14: 90 MACDOUGAL, D. T., Life on other worlds P7:42o MACPHERSON, H., Jr., Gierke, A. M P15:i6s Construction of the heavens P14:38s Copeland, Ralph P14 : t Distribution of the stars P15:40o Janssen, P. J. C P16: 72 Observatories of Scotland P15 : 65 Scottish astronomy P14:2o6 Tacchini, Pietro P13 : 306 Two Scottish astronomers of to-day P16:397 Vogel, H. C P15:453 M AHILLON, L., D' Arrest's comet S2 : 145 MANIE, H. C, Red light 85:237 MANN, N. M., 61 Cygni S2:i8; SIO: 13 Handy micrometer S3 : 10 Sirius S2: 136 ; 87:25 ; P4:482 Three interesting binaries 89 : 385 30 ASTRONOMICAL PUBLICATIONS Volume and Page MANSON, M., Climate of Mars P2-37I MARKWICK, E. E., Observation of variable stars P12:i93 MARTIN, E. S., Observatory for amateurs PI! P3 MASCART, M., On aberration Ai:i28 MASON, E. C, Life in other worlds P6:s20 MATZ, F. P., Stone, Ormond P3:452 MAUNDER, E. W., Astronomy P14:iS3 Progress of astronomy in 1906 PIS- i Solar origin of terrestrial magnetic disturbances P13:S9; P14:228 Spectroscope in eclipse work PS'-syo Stars of the ist and 2d type spectrum Al : 14S Sun-spot variation in latitude P12-6i6 Triad of stars P16:403 MAURY, A. C. De P. P., Corona seen after totality : P8:40i MAW, W. H., Work of the B. A. S P8: 65 McBROOM, J. K., Star dust,— a discussion Pl.l:S44 McCREARY, R. M., Celestial photography prophesied in 1840 P6:422 Facts and theories P4'575 Illusion and its cause P7- n Newspaper astronomy P6 : 103 McFARLAND, R. W., Almanacs P2 : 225, 358, 4S2 ; P3 : 1 14, 303 Ancient eclipses and chronology P7:sio; P9:i76; P10:i72 Astronomical and historical chronology, (W. L. Jordan) PI3: 112 Calendar SIO: 129, 247 ; P16:389 Chronological notes P3:44i ; P4:63, 194, 233, 353, 391, 529 Gravity on the surface of the planets S2: 150 Julian period P14: 98 Lunar cycle P14: 27 Mars and Pyrois P2:238 Miscellany P13:s3i New era at hand (Mr, Dimbletz) P3:486 Solar cycle S8 : 353 McKENNEY, A. P., What women have done for astronomy in the U. S- -PlS:!;! McLEOD, R. R., Ahaz and sun-dials P7: 108 McPIKE, E. F., Bibliography of Dr. Edmond Halley P13:s79; P14:42S Halley's comet P12:68s ; P13:47i Remarks on Dr. Halley P12:453 MEE, A., Webb, Thomas William PI3: 138 MEES, C. E. K., and S. H. WRATTEN, Filter Yellow K P14:572 METCALF, J. H., An amateur's observatory P14:2ii Comet Morehouse P16:65S Telescopic meteors P15:29; P16:s88 MEYER, M. W., Formation of rings a process of disintegration A2:407; Cor. A2:76s MEYER, W. F„ and R. T. CRAWFORD, Jupiter's satellite VIII P16:49i MICHELSON, A. A., Comparison of meter with wave-length of cadmium A2:ss6 INDEX OF AUTHORS 31 Volume and Page MICHELSON, A. A. (Continued) Interference methods applied to spectroscopic measurements Ai:884 Light waves and their application to metrology A3: 92 and E. W. MORLEY, Earth and luminiferous ether 86:306 Wave-length of light a standard 88:241 MILES, J. W., Auroral arches P16: 65 Meteorite in Lancaster county, Pa P16 : 458 MILLER, A. F., Observation of a solar prominence Ai:6i4 MILLER, E., Astronomy in high schools P3: 161 Corona of the sun seen without an eclipse P8 : 80 New theory of the surface markings of the moon F3'273 Where did Mars get its moons? P4:424, 499, 573 MILLER, J. A., Comet Morehouse, (1908 c) P16:6S3 Perseids of 1899 P7 : 406 MILLIS, F. E., Leonid meteors, 1898 , P7: 47 MINCHIN, G. M., Photo-electric cells Al:702 MITCHELL, M. E., An astronomer's reverie P6:s64 MITCHELL, S. A., Moon hoax P8:2S6 MITCHELL, W. M., Aurora of August 21, 1903 Pli:S4i Level of sun-spots P13 : 392 MONCK, W. H. S., Absorption of light in space A8: 107 Astronomical theory of the ice age 86:57, 193; 88:193 Average parallax of the stars 88: 62 Comets De Vico and Finlay 86:221 Dissipation of comets 87:239 Distribution of heat on the sun A3:823 stars 37:20, 73, 105, 236; 810:409, 453 Double stars 88:243 Distances of 87:290 Early conjunction of planets P8:238 Eclipse cycle P10:24o, 276 of Thales PIO : 127 Eclipses, Ancient Pll : 131 242 Ether and gravitation Pi:409 Fixed stars Pi:i95, 3oo, 385; P2:6o, 108; P3:62; P4:259; P5:467 Meteor comets 88:208; 89:216; Ai:274 orbits 810:328 radiants 88:363, 454; 810:109, 126, 295, 300; A3:344 Meteors and meteorites S8 : 395 Celestial phenomena explicable by 89 : 260 Meteorites or aerolites Pll : 357 522 Motion of sun and stars in space P10:3o7; P16:239 Non-Euclidean geometry P8:333; P9:37o On an infinite universe P16 : 596 Proper motion of the stars Ai:874 and spectra of the stars Al:389, 700; A2:8, 513 32 ASTRONOMICAL PUBLICATIONS Volume and Page MONCK, W. H. S., (Continued) Relative albedo of planets Al : 776 Solar heat and gravitation S7:440 Spectroscopic observations on binary stars S9 : 289 Systematic motions of stars and the galaxy P14:4ig Variables of the Algol type P5:559 Venus' rotation period-gravitation P5: 168, 273 MORGAN, H. A., Comet a 1906, (190S VI) PU:i9i MORGAN, H. R., Effect of temperature upon constants of a transit circle P14:452 MORLEY, E. W., and A. A. MICHELSON, Earth and luminiferous ether. 86:306 Wave-length of light a standard 88:241 MOREUX, Th., Great sun-spot, February, 1905 P13:i94 MORRIS, L. N, Allen, Richard Hinckley P14:592 MORRISON, J., Roberdeau Buchanan and the doctrine of limits P13:472 Eclipses P4:3o8, 502; P5:29, 129, 368 Ephemerides, astronomical P2 : 301 Lunar P3 : 362, 467 Planetary P4 : 32 of satellites P6 : 165 Saturn's rings P6 : 389 Sidereal P4: 90 Solar P2:4o6; P3:25, 86 General perturbations and the perturbative function P8:309; P9:i30, 249, 436 Occultations P5:4I7 Orbit of comet Barnard, 1886 S5: n8 Sidereal day PI5 : 12 Source and maintenance of solar energy P10:409 Star of Bethlehem Pli:88, 122 Sun-dial of Ahaz P6:S37; P7:368 Transits of Venus and Mercury P5 : 536 MOSELEY, E. L., Meteor of Sept. 15, 1902 P12: 190 MOULTON, F. R., Binaries measured by the use of spectroscope P3:337 Professor Chamberlin on the nebular hypothesis P5:so8 Geology, (Chamberlin and Salisbury) P14:327 Graphical method for elements of a parabolic orbit P7 : 193 Kepler's equation, Important method of solving P3: 136 Motions of the planets pii: 284 Perturbations of the heavenly bodies P6 : 88 Problem of three bodies P5:407 Spheres of activity of the planets P7 : 281 Teaching general astronomy P4:400 Time P12:39i MOULTON, M. E., Eclipse in India, Jan. 22, 1898 P6:i2i MOREAUX, M., Magnetic perturbations of Feb. 13 and 14, 1892 Ai:3i8 MOYE, M., Total solar eclipse of May 28, 1900 P8: ^gg August 30, 190S P13:523 INDEX OF AUTHORS 33 Volume and Page MULLER, F., Observations of nebulae 86:361 MULLER, G., Preparations for new variable star catalogue Pli:i38 MUSSON, W. B., New telescopes and other optical instruments P8:378 MYERS, C. E., Equation of the ellipse through five points 89:268 MYER8, G. W., Astronomical work at Munich P4:229 Illinois university observatory P6:3I9 Observations of Bielids, 1899 P8 : 13 Light changes of ;8 Lyrae P6:268 Light fluctuations of variables P6 : 7 NEVILL, E., Ancient eclipses of the sun P14:6i6; PI5: 32 NEWALL, H. F., Combination of prisms for stellar spectroscope A3: 309 NEWCOMB, S., Aspects of American astronomy P5:3Si Astronomical clocks 83 : 206 Eclipse of Agathocles P13 : 199 Measures of the velocity of light 85: 15, 68 Philosophy of hyperspace P6 : 380 Place of astronomy among the sciences 87 : 14, 65 Theories of celestial motions S2: 1 1, 33 NEWKIRK, B. L., Watson asteroids P12:64S NEWTON, H. A., Capture of comets by planets Al : 12 Cometary shooting stars A3 : 196 Loomis, Elias 89:241 Meteorites, meteors, and shooting stars 86:65, 98, 127 NIPHER, F. E., Positive photography with reference to eclipse work. .. .P9: 24 NIT8CH, A. W., Astronomy and civilization P4:2o6 NOBLE, W., A night with Orion P4:428 NUM8EN, W. H., Comet 1883 1 83:8i, no Nova in Andromeda 85: 51 Variation of 84:278, 301 NU8L, Fr., and J. FRIC, Communication about the diazenital P13: t6 NYREN, M., 8truve, O. W P14:3S2 O'HALLORAN, R., Eclipse of June 28, igo8 P16:si6 Light curves of Mira and W Lyra P15 : 95 Milky Way as it appears in the autumn heavens P10:372 Philippine firmament P7 : 20 1 R and 8 Scorpii P4:275, 331 8oIar cycle, Details of the recent P12: 27 8tars that periodically glow and fade Pli:294 8tudy of solar surface P16:484 8un-spot maximum and minimum P4 : 570 ; P6 : 478 ; P14 : 368 OMORI, F., Seismic motion and other phenomena P14:54^ PACKER, D. E,, New variables near 5 M Librae, cluster 89:381 ; 8IO: 107 Solar corona photographed in daylight P3 : 361 PANNEKOEK, A., Best method of observing the Milky Way P5:524 Necessity of further researches on the Milky Way P5:395 New charts for inserting the Milky Way P5:48s 34 ASTRONOMICAL PUBLICATIONS Volume and Page PARKER, D. G., Are other planets inhabited? P10:3S7 Dual observatory P14- 96 Saturnian system • P12:4oS PARKHURST, H. M., Cause of refraction SIO: 16 Diffraction S5:200 Equatorial telescope S7 : 38 How to measure the invisible 89:406,442 Instrumental photometry 85:230 Obliteration from illumination 87:337 Photometric observations of asteroids S6 : 353 8tellar photometry 84:273 ; A3:6S2 Summation of co-ordinates S5 : 53 Temporary stars 86 : 1 18 PARKHUR8T, J. A., Astronomical photography with reflecting telescopes P14 : 449 Comet 1889 V in Jupiter's satellite system A2:856 Comparison stars for Nova Geminorum Pli:328 Mira P3: 165 Parkhurst, Henry M P16:23l R and 8 Scorpii P4:33i Variable, A new kind of P3:2i4 star 7792 88 Cygni P6: 156 ; P7: 138 North Circumpolar P4:369, 419 Long period P2:2is, 316, 415 Stars Pi:i2S, 161, 212, 263, 315, 358, 397, 460; P2: 95 Variable Stars PI = 125, 161, 212, 263, 315, 358, 397, 460; P2: 95 PARR, W. A., Vatican observatory Pll = 497 PARTRIDGE, E. A., and H. C. WHITAKER, Galileo's work on Saturn's rings P3:4o8 PAUL, H. M., Stars of the Pleiades S3:iOi PAYNE, W. W., Alvan Clark and Sons corporation P15:4i3 Amherst college observatory telescope Pll : 22 An Aldebaran occultation P14: 103 Astronomical work in progress 86:350; S9:ioi ; A2:i02; P6:3i3, 395; P9:44S; Pli:i82, 363; P12:4S, 89; P15: 72 Astronomy of the nebulae P9:490 Attraction and figure of the earth PS: 177; P9:7, 117 Bruce, C. W. P8:235 Clark, Alvan 86:250 Color of the sky P14 : 5 Comet Holmes pj^ ; jg b 1893, (1893 II) A2:s96 b 1902 (Perrine) (1902 III) P10:477 Comets and comet families P6 : i 70 I4-? 22S Crossley reflector in America P8:4 1510 Culture value of mathematics and astronomy P12:58s 633 INDEX OF AUTHORS 35 Volume and Page PAYNE, W. W., (Continued) Distance and constitution of the sun S7: loo Distances of the stars PI : 129 Eclipse of Jan. i, 1889 S8: 64 May 28, 1900 P8:370 Eclipses, Mathematical theory of P12:siS Explanation of researches on ancient eclipses PI4: 86 Extent of the starry heavens Pli:4il Free public observatories A3 : 1 10 Goodsell observatory's meridian circle 86:302 Greenwich astrographic work P12:65.i Growth of worlds P6:346, 401 ; P7: 124 Honor to Dr. Lewis Swift P5: 96 How the telescope aids ordinary vision P3: 81 Illustrations from astronomy P9 : IS i Is helium terrestrial P3 : 16 Jupiter's family of comets A2:8oo; Pi:2S, 62; P14:22i satellites. Markings of P14:6o8 Kirkwood, Daniel PI : 167 Latitude variation P12 : 662 Leonid meteors in 1899 P7:47S, 524; P8: 15 in 1901 P9:559 Orbit of P8: 523 Lick observatory telescope S9 : 97 Local observatory patronage 88:452 ; S9: 65 Lowell observatory work P8:448 Manual of Astronomy (C. A. Young) Pl0:394 Mare Crisium Pll: 130 Mathematics needed for professional astronomy P15:493, 600 Mills expedition from Lick observatory P15:522 Moon Pi: 16, 289; P2:67; P3:i76; P4:i43, 242 Photographic atlas of the Pli: 25 Motion of the north pole of the earth on its surface P14:5I3 N. Y. observatory and nautical museum P14:349, 380 Observations for beginners P3 : 14, 121 Observatory at Jeypore, India Pll : 542 Pearsons, Dr. D. K., the Christian philanthropist P12:345 Period of Algol PIO: 25 Personal equation machine SIO: 139 Photographing the solar corona in 1900 P7:si6 sun P2:ii6 Photography and the figure of the sun P13:475 Planet Eros P7:20; P8:44S Mars P3:34S, 385 ; P15:S39 and its canals P12 : 365 Mercury P7:466 36 ASTRONOMICAL PUBLICATIONS Volume and Page PAYNE, W. W., (Continued) Pleiades Pi:456 Present knowledge of the sun P12:293 Radiant points of meteoric showers P'<''337 Recent discoveries of satellites by Americans P13 : 120 Representative stellar spectra, (Sir Wm. and Lady Huggins) ■ ■ .P8:323, 365 Revised general astronomy, (C. A. Young) ; P6:46l Rockwell, Charles H P12:262 Rosse, The Earl of P16:s7o Size of the stars P14: 164 Solar and terrestrial physical processes Pll : 374 vortices P16:SSS Star of Bethlehem S6:26s names and their meanings, (R. H. Allen) P7:427 Study of astronomy S8:3io, 407; P4:s7, 116, 495; P8:29, 75, 136, 247 Swasey range finder P12:4SO System of the stars, (A. M. Gierke) P14: 71 Systematic study of aurorae A2 : 602 Telescope care • P13 : 506 for the high school. Small Pli:429, 491 ; P12:s46, 608 Trails of stars near the north pole P12:26s- Two important books P10:46s U. S. Naval observatory PT^sSs, 459; P10:i4; Pll: 57 Report of visitors to P9 : 71 Special time signal from P12:6i3 Variable stars ■ P8:247 Yerkes observatory P5: 1 15, 340 ; P14:458, 527 telescope Pi: 176 PENCE, J. B., Visualizing earth's motion P2: 46 PERKINS, C. A., Polarization of undiffracted red radiations A2:847 PERRINE, C. D., Comet e 1895, (Perrine) (189S IV) P3:24S, 279 h 1898 (Perrine) (1898 IX) P6:5i3 Keeler, James E P8 : 409 Leonid meteors of 1898 P6:s53 Motion in nebula surrounding Nova Persei PIO: 9 Origin of a disturbed region in corona P10:398 Rediscovery of comet Holmes, 1899 d P7:340 Tempelo, 1899 c P7 : 291 Search for intra-Mercurial planet at eclipse, 1900 P10:46o Star's position obtained from a photograph P15:2S9 and W. W. CAMPBELL, Announcing satellite discoveries- -. .P14: 135, 252 PERRY, S. J., Sun's chromosphere S4: 51 PICKERING, E. G., Address at Liverpool S2:28i Aims of an astronomer P14 : 583 Algol variable +4S°4ioi P10:362 Mme. Geraski's second P8 : 162 /iVD£A' OF AUTHORS 37 Volume and Page PICKERING, E. C, (Continued) Algol stars, Early observations of PIO: 195 Asteroid orbit of great eccentricity P10:23 Astronomical photography S>i'- 50 Bruce photographic telescope 88:304; P4:53i Close binary stars SIO: 5 Common's 60-inch telescope P12 : 660 ; P13 : 70 Comparison stars for variables P6: 125 Constitution of the stars A2 : 718 Co-operation in observing variable stars P9 : 148 Distribution of energy in stellar spectra Al : 22 Endowment of astronomical research P12:472 Eros, (Witt's planet DQ 1898) P6:53o; P7: 66 Opposition of P8:3So; Pli:50i Positions in 1893, 1894 and 1896 of P8:405 Growth of Harvard observatory PS: 89 Intensity of spectral lines Pll : 384 Large southern telescope Al : 783 Leonid meteors P7 : 412 Magellanic cloud , P5:4ii Measurement of photographic intensities P8:328 Missing asteroids Pll : 181 Motion of stars in the line of sight P4:3o6 Mountain observatories S2: 105 Nova Aquilae P8:40S Aurigae Ai:228, 417 Centauri , P3 : 3go Geminorum before its discovery Pll :26i Normae A3 : 40 Persei, No. 2 P10:546 Sagittarii P7 : 504 Objective prism Al : 199 Occultation of 26 Arietis observed photographically P6: no Photographic determination of stellar motions A3: 521 spectrum of the aurora P6 : 308 Photographs of faint stars PI5: 171 Planetary nebulae SI : 1 39 Polarizing photometers pg : 60 Proposed Durchmusterung of variable stars P14: 508 Red stars near Nova Velorum P16 : 63 Reflecting telescope, 24-inch P13 : 224 Spectrum of lightning pig: 104 P Lyrae Al : 25 a meteor P5:442 f Puppis P9:222 Satellite of Saturn, New P7 : 233 38 ASTRONOMICAL PUBLICATIONS Volume and Page PICKERING, E. C, (Continued) Spectroscopic, binary li' Scorpii "4*273 Standard stellar magnitudes P15 ■ 303 Star A. G. C. 6886 having large proper motion P13:503 Stars having peculiar spectra P4:io7; P6:363 Supposed variable Y Aquilae P6:4i8 Variability in the light of Eros, (433) P9:290, 358 Iris (7) P12:2S8 Variable star clusters P3:i97; P5:276; P6:so5 U Pegasi P6: 29 U Vulpeculae, and ST Cygni P7:2o8 stars, New • • -PU: 160; P15:6i7 of short period P6:262 in Orion nebula P12:332 Wedge photometer SI : 105 Work for large telescopes A2 : 1 14 PICKERING, W. H., Climate as related to astronomical observations- • -PS: 464 Comet c 1905, Rotation of, (1906 I) PlS: 100 Drawing ellipses P16 : 147 Earthquake, February 23, 1892 .• Ai:470 Eclipse of the moon, 1906 P14: 3 sun, 1889 58:337 May, 1900 P8:22S, 289 Error in the American ephemeris P9:373 Explanation of the gegenschein PS: i Jupiter and its satellites A2:i93, 390; A3: 728, 423; P2:i2i Jupiter's outer satellites A2:48i Leonids P10:4oo; Pli:6; P12:530 Meteoric shower of Nov 13, 1897 P6:294, 326 Non-appearance of the Leonid shower P7 : 395, 523 Period of revolution of the Leonids PIO: 8 Lunar atmosphere P8:205 and occultation by Jupiter Al : 778 changes during eclipse, 1899 P8: 57 crack in the Valley of the Alps PIS : 64 observations by Dr. Klein criticized PIO : 118 phenomena in October P10:4I9 Observations of the formations of the moon PIO: 57 Mars Al:668, 849; P13:30S Colors of Ai:449, 545, 632 Double canals of P12 : 385 Observations of surface of S9:369 Photographs of surface of 89:254 Martian snows P13 : 106 and lunar canals P12:77 4^9 Melting the polar caps of , A3: 308 INDEX OF AUTHORS 39 Volume and Page PICKERING, W. H., (Continued) Mountain station for Harvard observatory Ai:3S3 Neptune's position, how computed originally P14:S2S Nova Persei, Anderson's P9 : 184 Novae Aurigae and Normae A3:20i Occultation of Jupiter, 1889 S9: 148 Origin of lunar formations P8 : 147, 181 Orion nebula S9 : i Place of the origin of the moon P15:274 Polar inversion of the planets and satellites A2:692 Relation of the moon to the weather Pli:327 Saturn and its satellites Ai:649 Saturn's satellites IX and X P14: 17 Schiaparelli's latest views on Mars A3:632 Seas of Mars A3:s53 Spectrum of lightning PIO : 104 Standard scale for telescopic observations Pll:ii3 Telescope mountings and domes A3 : i Variable stars in clusters P6 : 505 PLASSMAN, J., True form of light curve of Algol Ai:4i9 PLUMMER, W. E., A Hindu astronomer P7:244 Pritchard, Charles A2:592 POINCARfi, H., Milky Way and theory of gases P14:47S POOR, C. L., Identity of comet Brooks 1 889- 1896- 1903 with Lexell 1770 P13:i78 Young, Charles A P16:2i8 PORTER, J. G., Constant error in meridian observation P13:ii7 Meridian circle at Cincinnati observatory. • 88:3 ; S9: 46 Mitchel, O. M ; 88:442 Motion of the solar system Al:764 Proper motion of stars as criterion of distance P6:S49 Star of Bethlehem A2 : 6 Stars with annual motion of l" and over P8:382 Telescope for Cincinnati observatory, 16-inch P12:437 Time S6 : 95 POST, C. A., Balance roof for telescope buildings A2:400 POYNTING, J. H., Astronomical consequences of pressure of light P15:626 Mean density of the earth P3 : 232 PREBLE, E. W., Comet envelopes 81:280 PRESTON, E. D.. Physical constants determined by U. S. C. & G. Survey P6:ioi PRITCHETT, C. W., Intersecting rainbows S7:2I9 PRITCHETT, H. S., Equatorial like Lick's S5: 65 Hall, Asaph " P16: 67 Total solar eclipse of April lS-16, 1893 Ai:454 Washburn observatory SI : 126 PROCTOR, M., Corona and coronet days, (M. L. Todd) P7:279 Evenings with the stars P4:32i, 374, 436, 515, 562 40 ASTRONOMICAL PUBLICATIONS Volume and Page PROCTOR, M., (Continued) Eclipse expedition in igoS P12:468 party in Africa P4 = 445 Expeditions for eclipses, 190S P^^ : 90 Making astronomy popular P2:4i8 Stars and star telescopes (D. P. Todd) P7:33S PUPIN, M. L., Electrical discharges through poor vacua Ai:483 Electro-magnetic theory of the sun's corona AZJpaS Observing solar corona without an eclipse A2:362 QUIMBY, A. W., Dedication of Flower observatory P5: 112 Historic "Gregorian'' P5:482 Story of a speculum P5 : 26 RAMBAUT, A. A., Approximate solution of Kepler's equation P14:423 RANYARD, C. A., Tails of comets S2: 81 RAVENNE, G., New Planet P6:s58 RAYET, G., Temporary star in Auriga Ai:29i RAYLEIGH, LORD, Theory of stellar scintillation A2:834, 921 READ, E. E., Jr., Solar prominences seen with grating spectroscope S10:369 REED, T., Spectroscope in astronomy P2:266, 297, 402 ; P3: 141 study of variables P3 : 333 Spectrum of sun in eclipse, 1893 Ai:926 and C. A. YOUNG, Nova in Auriga Ai:289 REES, J. K., Chapel address, Jan. 8, 1902 P10:i3S Leonids, 1898-1900 P9= 79 1901 PIO: 107 Rutherfurd, L. M Ai:689 Some facts about the minor planets P6- 339 Variation of latitude at New York, and constant of aberration P8:i69 RICARD, J. S., Meteorology on the Pacific slope P16: 92 RICCO, A., Sun-spots and magnetic perturbations A2'. 33 RICE, H. L., Computing the daily motion of an asteroid P14:287 Method applicable to problems solved by successive approximations. -PIS 1370 RIGGE, W. P., Eclipse of Aug. 30, 1905, as visible in the U. S P13:i34 June 28, 1908 P16:27i Graphic construction of eclipses and occultations • P3:i83, 247, 310, 3S3, 414, 454; 'P^'-(>7, 123, 184 Hagen's astrophotographic journey. Father P15:326 Heiss, Edward P14 : 332 Jesuit astronomy P12:9, 94, 230, 303, 37s Pope and the comet P16:48i, 656 Problems in orthographic projection on a sphere P14:402 Schreiber's Jesuit astronomy Pi2:9, 94, 230, 303, 37s Solar eclipse of June 3, 1908, visible in U. S P15:6io Time of moonrise P13 : 550 Transit of Mercury as visible in the U. S P15:488 RIGGS, E., Easy way to make a noon-mark P2: y^ INDEX OF AUTHORS 41 Volume and Page RITCHIE, J., Jr., Our knowledge of Mars 39:450 ROBERTS, I., Photographic search for planet beyond Neptune Ai:s54 ROCKWELL, C. H., Annular eclipse S4: 147 Transit of Mercury 51= S3 ROE, E. D., Jr., Sun observations at Syracuse university P16: 127 Sun-spots in 1907 P15 • 447 Wind forces on an observatory dome P14:347; P16:424 ROGERS, W. A., Catalogues of stars reduced to a homogeneous system. .81:205 Clark's new level • Si: 210 Constant of gravitation P3 : 3 16 Graduation of Harvard meridian circle 83:306 Index error of meridian circle S2: 138 Ladd observatory dedicatory address 810:491 Methods of tracing constellations S8 : 145 Star catalogues. Common system of 82: 169, 204 ROLLINS, W., Long focus telescopes A3: 199 RORER, J. T., Need of revival of interest in astronomy in schools P14:340 ROWLAND, H. A., Gratings for optical purposes Si:ii6 in theory and practice A2 : 129 New table of standard wave-lengths A2 : 320 ; Cor. A2 : 563 Normal solar spectrum 85: 85 RUBENS, H., and W. B. SNOW, Refraction of rays of great wave-length, A2:23i RUNGE, C, Dispersion of air A2:426 Law in the spectra of some of the elements A3 : 128 Line spectra of the elements Al :496 and H. KAYSER, Spectra of the elements A2:8o2 RUNNING, T. R., Determining five Sundays in February Pli:2i8 RUSSELL, H. C, Chart of circumpolar stars P4: 61 Progress of astronomical photography P2: loi, 170, 310, 457 RUSSELL, H. N., Graphical method for elements of a double star orbit- .P6:i49 Shadows cast by starlight PIO : 242 and Z. DANIEL, Venus as a luminous ring P15 : 516 RUST, F., Computing — 0' and p P15:484 Computing a planet's anomaly and radius vector P16: 36 Integral reduced by hyperbolic functions P15 : 581 RYAN, T. C, Planet launching P16: 17 Solar apex P15:20S, 336 RYDBERG, J. R., Asymmetry in Rowland's concave gratings A2:439 RYDZEWSKI, A., To find day of week on which any date shall fall P7 :4i6 ; Cor. P7 : 544 SADLER, H., Double stars 30 and 40 Geminorum S5:2i8 Table of stellar parallaxes S9 : 342 SAFFORD, T. H., Astronomy in the U. 8 87 :430 ; S8 : 70, 198 Hanging levels attached to a portable transit 89:433 How to make good meridian observations SlO: 113, 209, 401 New star catalogue 82 : 88 42 ASTRONOMICAL PUBLICATIONS Volume and Page SAFFORD, T. H., (Continued) Photography and meridian observation S9: 193 Problem of solar motion A2. i Proper motion of Bradley's stars S8: 164 SAMPSON, W. T., Changes in Brooks' comet S3: 44 SAUNDER, S. A., Sun-dial of Ahaz P7:2o6, 444 SAWYER, E. F., Hints on observing meteors SliQi, iSO SCHAEBERLE, J. M., Aberration of parabolic mirrors P6: 38 Cometary structure in corona, 1893 A3 : 307 Corona on April 16, 1893 A2:2I7, 693, 730 Distances of the fixed stars P15:4I2 Failure of reflecting telescope of large angular aperture P5:3iS Forty- foot telescope of Lick eclipse expedition Pi: 72 Mechanical causes of the sun-spots A3:278 Nova Arietis Ai:7Si Planetary photography with a reflecting telescope P3:28o Region of Lacus Solis on Mars P2:72 ; P3:6+4 Specter of the Brocken SIO: 136 Star's image in field of a parabolic reflecting telescope P6: 33 and A. L. COLTON, Parallax of a meteor determined by photography P5:232 SCHEINER, J., Surface temperature of sun and stars A3: 569 SCHIAPARELLI, G., Mars A3:632, 714 Tempel, William S8:2S7, 329 SCHLESINGER, F., Apparent figure of the sky P7:ii7 Some new astronomical instruments P10:427 SCHUMANN, v.. Hydrogen line in spectra of Nova Aurigae and vacuum tubes A2:iS9 SEAGRAVE, F. E., Measures of the rings of Saturn Pli:i4S; P12:i3l Observations of U Ononis P12:i45 Nova Persei P10:47, 158 Saturn's equatorial diameter PIO: 54 SEARES, F. H., Art of numerical calculation P16:349 Finding ephemerides for comet 1894 IV, (E. Swift) P15:433 Obtaining time with the engineer's transit P13:sS3 H. C. Wilson's list of Algol variables P14:238 SEARLE, G. M., Astronomical photography of short focus lenses A2:s77 SEE, T. J. J., Age of the earth's consolidation P15:S4S Ages of the stars P6:36i Aims of stellar astronomy P5: 194 Air waves observed through telescope P5:479 Apex of the earth's way P1:373 Apparent enlargement of sun and moon near horizon P8:362 Astronomical observations at Flower observatory, (C. L. and E. Doo- little) P14:393 Atmospheric conditions of central and southwestern U. S P6 : 65 Binary of S>^ years' period (/3 883) P5:24S INDEX OF AUTHORS 43 Volume and Page SEE, T. J. J., (Continued) Cause of the scintillation of the fixed stars P5:463 Doppler's principle applied to motion of binaries A2:8i2 Double star orbits derived by graphical process AZ^sSi, 865 Eccentricities of the orbits of the binary stars SIO: 65 Evolution of the double star systems A2:289 Explanation of the Egyptian Phoenix Ai:4S7 History of the color of Sirius ■ ■' Al "■269, 372, 550 Jupiter's satellites visible to the naked eye P6'-257 Lane, Homer J P14: 193 Lawton, George K P9 : 374 Locus of the center of gravity A3 1627 Modern cosmogonies, (A. M. Gierke) P14:3I3 Orbit of a Centauri A3:256 Companion of Sirius A3 ■ 82 f Sagittarii A2:sio Origin of stellar systems SIO: 179 Outline of the new theory of earthquakes P16 : 199 Propagation of the tidal wave P8 : 373 Recollections of Agnes M. Gierke P15: 323 Refractor of Lowell observatory, 24-inch 'Pi'-2gy Repulsive forces in nature PlOlsos Rigidity of the earth P16:6o2 Roemer, Olaus Pll 1226, 461 Rotation periods of Venus and Mercury P4:S33 Satellites with measurable disks. Dimensions of P9:47i Services of Nathaniel Bowditch to American astronomy P2:38s B. Pierce to American mathematics and astronomy P3: 49 Sirius in ancient times P2: 193 Spiral nebulae, Significance of P14:6i4 Stability of the equilibrium of the oceans P3 : 178 Study of astronomy and educational ideals P5:429 physical astronomy P2:249, 289, 337 planetary detail P4: 550 Temperature for gaseous celestial bodies. Law of P7 : 129 Why there are no mountains on Mars P16:2SS SEELIGER, H., General problems of celestial mechanics P4:407, 475, 545 Nova Aurigae Ai:904; A3: 142 On Newton's law of gravitation P5:474, 544; P6: 40 Quadruple star f Cancri A3:8o2 Stars in northern hemisphere S4: 33 SERVISS, G. P., Among the stars with an opera-glass 510:244 New star in Andromeda 54:312 Sky from Pike's Peak A3 : 150 What a S-inch telescope will show PI : 372 SEVERANCE, H. O., List of observatory publications in the U. S P15:si7 44 ASTRONOMICAL PUBLICATIONS Volume and Page SHEARMAN, T. S. H., Solar disturbances and terrestrial magnetism. . .510:279 SHERMAN, O. T., Variation of the solar diameter : Ai:si3 SIDGREAVES, W., Bright solar prominence for 1891 Al : 66 Drawings of solar spots and faculae Al ■ 212 Nova Aurigae Ai:6o4, 882 Solar chromosphere, 1891 and 1892 A2:S39 disturbances and magnetic storms Al:8l7 Spectroscope for studying solar prominences Al : 136 Sun's physical constitution A2:826 SIMONTON, T. D., Seen and learned abroad P12:ii3, 338 SIRKS, J. L., Astigmatism of Rowland's concave gratings A3 1763 SKINNER, A. N., Eclipse expedition to Sumatra • PIO: I SLIPHER, V. M., Spectrograms of Jupiter Pli: i SMITH, C. M., Stellar photometry P5:ii7 SMITH, C. P., Sun-spot cycles and Scottish meteorology 58:385 SMITH, D. E., Mathematical tablets of Nippur P15:366 JNIovements in mathematical teaching P13:20S SMITH, H. L., Telescopes of short focal length 31:239; 87:293, 360 SMITH, T. B,, Come learn of the stars S7:2I3 SNELL, S. C, Packing instruments for transportation P8: 88 SNOW, B. W., and H. RUBENS, Refraction rays of great wave-length. . . A2:23i SNYDER, M. B., A new method of transiting stars PIO : 350 Physical phenomena of the transit of Mercury P16:390 SPERRA, W. E., Additional observations of 43. and 45. 1907 Draconis ■ -Vl^-S^g Discovery of comet b, 1893 A2:7S7 Graphical computation of the occultations of the star clusters P6: ^6 Night mirage P16: 164 Observations of short period variable stars P3:404 Variable stars discovered in 1907, Some Harvard P16:488 SPITTA, E. J., Compound wedge photometer S9: 163 Polarized reflections in Nicols' prism S9:266 SPRAGUE, R., Star clusters Pi:407 STEBBINS, J., Determining heights by migrating birds P14: 65 Observations of crater Linne P14:5io STEIHEIL, A., Object-glasses for two lenses 53:225 STINGLEY, L. L., Fireball of December 7, 1900 P9:426 5TOCKWELL, J. N., Eclipse predicted by Thales P9:376 STONE, O., Cincinnati observatory 51: 56 Double star observing 51: 95 Photographers vs. old fashioned astronomers 56: i Telescopic illumination 56: 73 STONEY, G. J., Importance of accurately observing the Leonids P4:i34 Spectroscopic determinations Al :935 and A. M. W. DOWNING, Ephemerides for two situations in Leonid stream P7:403 Perturbations of the Leonids P7:227 INDEX OF AUTHORS 45 Volume and Page STRONG, W., A three-inch telescope P13:203 STRUTT, R. J., Radium and the sun's heat P12: 75 STRUVE, O., Poulkowa double star work S5: 193 SWEZEY, G. D., Astronomy in our universities and colleges P5:25S Earth before the earth-moon catastrophe P15:397 SWIFT, L., "Accident comets" P4:i38 Astronomy in southern California P6:5i6 Bailey's beads S9 ■ 170 Comet Barnard 1884 P3: 17 Discovery of nebulae Al : 197 Double Meteors Si: 108 ; 88:454 Errors in astronomical text books S8: 160, 254 Intra-Mercurial planet S2: 122, 242 Lowe observatory P3 :46s Medals described P9:S0S Nebulae S4:i, 36, 174; Ai:566; P10:i6o discovered at Lowe observatory P5:426, 427 ; P6: 18, 400 Nebulous ring S9: AT Right ascension circle. An automatic 88:349 So-called ice age PIO : 88 Star of Bethlehem A2: 105 Star shower. Approaching P7:4I5 Suggestions to amateurs P1'30, m, IS7, 249, 369 Sun-dial of Ahaz P10:278 Ups and downs of an astronomer P9:476 Who discovered comet 1862 III? P6:4I7> S62 TABER, R. B., Leonid Meteors of Nov. 1901 P10:403 TACCHINI, P., Distribution in latitude of solar phenomena Al : 134, 424, 711; A2 : 262, 425 Solar observations Al:2i4, 520, 608, 710; A2:39; A3:244, 312, 503, 588 TATLOCK, J., Jr., Meridian circles 83:275 Star catalogues compared S3 : 246 TATNALL, R., Radiation of heated gases A3: 153 and H. CREW, Mapping spectra of metals A3: 741 TAYLOR, A., Eclipse photography A2:267 TAYLOR, H. D., Triple achromatic object-glass A3: 696 TERBY, Dr., Physical observations of Mars Al:478, 555 THOMAS, W. E., Law of the atmospheric strata Pll: 196 THOME, J. M., National Argentine observatory A3: 8 THOMPSON, G. A., Unusual discoveries of variable stars P13:44S Variability and asteroids P13 : 378 THORP, T., Diffraction grating replicas P14 : 93 TISSERAND, F., Satellite of Neptune A3:29i TODD, D. P., Dimensions of small planets A2:3I3 Early history of astronomy at Amherst college Pll : 322 Laboratory methods in teaching astronomy P8:467 46 ASTRONOMICAL PUBLICATIONS Volume and Page TODD, D. P., (Continued) Lowell expedition to the Andes P15 ■ SSi Prediction of fine seeing S5 : 1 13 What eclipses of the sun teach us P9 ■ 30S TODD, D. P., and R. H. BAKER, Predictions of the eclipse of Aug 30, 190S P13:240 TOMKINS, H. G., Bright rays of the moon P15:296 TONDORF, F. A., Kepler's attitude towards astrology P12:299 TOV/NLEY, S., Atmospheric conditions in the U. S P6 : 188 TOWNLEY, S. D., Determination of time from single altitudes P14:i48 Time service at Washburn observatory Al:467 TOZER, R. S., Tides of the comets P13:489 TRAYLOR, M. C, Computation of an ephemeris of a planet or comet. . .P9:3ii Opposition of Eros P9:496 TRIER, B., Translations of Gauss and Bessel P13:23i TROUVELOT, M. E. L., Changes on rings of Saturn S4: 78 Fall of solar prominence into spot Al : 124 Phenomena observed in Saturn 1877-8 S10:74, iig, 171 TUCKER, R. H., Graduated corrections for fundamental observations- • .P14:32i errors of a divided circle Pli:S23 Ultimate measurement of P12:s79 TURNER, A. B., Simple application of vectors P16:4o8 TURNER, H. H., Astrographic chart and methods Pll = 433 Common, Dr. A. A Pli:367 Corona of the sun P14:s48 Disturbances of June 17, 1891 Ai: 67 Photography applied to astronomical research P13:72, 122 TUTTLE, H. P, Comet 1846 VI P6:s6i Discovery of the planet Uranus S8: 34 Limit of vision S8 : 302 Lost periodic comet Tuttle-Schulhof, 1858 III P6 : 6 Search for Vulcan in i860 P7:23S TYDEMAN, E. M., Chinese calendar P10:33S New form of telescope P8:464 Paraboloid speculum P5 : 559 UPDEGRAFF, M., Calculating transits of Venus and Mercury S10:22S UPHAM, W., Geological time P14:264 UPTON, W., Ancient and modern observatories 810:481 Constellation study Pl:i, 50, 115, 257, 308, 363, 391, 449 Ladd observatory SIO! 502 Total eclipse of 1889 Ss: 118 VAN BIESBROECK, G., Stereoscope applied to astronomical researches P12:3i8 VEBLEN, A. A., A bright meteor P16:i29 VEEDER, M. A., Aurora of March 30, 1894 A3:40i Concerted observation of aurora PI : 22 Explanation of above phenomenon Pli:486 INDEX OF AUTHORS 47 Volume and Page VEEDER, M. A., (Continued) Magne-crystallic action and the aurora P12 : 182 Magnetic storms and auroras of Jan. 7-10, 1886 A2:449 Solar disturbances and terrestrial magnetism SIO : 381 electro-magnetic induction A2:264 origin of the aurora 88:403 prominences 89:279 Sun-spots and auroras, Relation between Al : 434 VENEN, L. P., Folk-lore astronomy P2: 32 VENT08A, v., Eclipse views at Burgos, Spain P14:isi VERY, F. W., Distribution of moon's heat 810:471 VOGEL, H. C, Nova Aurigae Ai:39i ; A2:896; A3:48, 66, 136, 150 Spectrum of iron as a comparison spectrum Ai:iSi /3 Lyrae A3:3s8, 561 Velocity of stars determined by spectrographic method Al : 203 VON BRANDIS, A., Transparent cosmic masses overweigh the stars. . .P14:i62 VON GOTHARD, E., Small nebula at M S7 A3: 190 Spectrum of nebulae and the new star A2: 51 VON OPPOLZER, E., Brester's views on sun's atmosphere A3: 581 Contributions to solar physics A2 : 736 Origin of sun-spots A2:4I9 WADSWORTH, F. L. O., Comparison of methods of delineating surface markings of celestial objects P5:20o Correcting and testing of parabolic mirrors P10:337 Definition, delineating and resolving power of telescopes P5:S28 Double motion mechanism A3 : 527 Electric controls for astronomical instruments A3 :26s Fixed-arrn spectroscopes A3 : 835 Mounting an equatorial axis on ball bearings A3 : 723 New mirror for reflecting telescope. P5:si8 WALL, E. J., Use of the spectroscope P14:336 WALLACE, R. J., Astronomical secondary negatives and their originals P16:iS9 Autochrom plate P16 : 83 WARNER, W. R., How and why of the Porro prism field-glass P10:28i Problems in constructing large telescopes A2 : 695 WATERBURY, L., and E. ILIFF, Group of time stars for amateurs P2: 74 WATSON, 1. L, Variable star U Cephei P10:294 WEINEK, L., Photographic atlas of the moon P5:24o WELD, L. G., Leonids observed at Iowa university P7: 17 Students' observatory at Iowa university 810:475 Tables for meridian elongation of Polaris 88:269 WENDELL, O. C, Comet d 1907 (Daniel) P15:622 Comets 1887-8 89: 38 Euler's equation solved 89 : 176 Halley's comet P16 : 71 Ephemeris of P16:4S9 48 ASTRONOMICAL PUBLICATIONS Volume and Page WENDELL, O. C, (Continued) Meteor radiants S4:iS3; 86:152; 86:359; P16:5i7 Orbits of meteors 85:iii; 87: 37 WEST, R. H., Pronunciation of star names from Arabic P2:209 WETHERBEE, W., Terminator of Venus P12: 67 WHEAT, Q. A., Eclipse aid to chronology PIO: 19, 138, 207 WHITAKER, H. C, Observation' data corrected by least squares 89:458 WHITAKER, H. C, and E. A. PARTRIDGE, Galileo's work on Saturn's rings P3 1408 WHITELOW, E. T., Orientation of the field of view of a telescope P15: 22 Spectroscope for small telescopes P12:363 WHITING, S. F., Drawings and globes in teaching astronomy P13:235 Graphs in teaching astronomy P13: 185 Jupiter observations P16:457 Photographs in teaching astronomy P13:430 Spectroscopic work for classes in astronomy P13:387 Whitin observatory of Wellesley college P8:482 WHITNEY, M. W., Comparison stars for variable 4.1903 Pli:428 Determination of the position of comets P4 : 177 solar motion P12:226, 311 Nova Aurigae observations Al :46i Problem of solar motion P5:309 Recent markings on Jupiter A2 : 22 WILCZYUSKI, E. J., Sun's equatorial acceleration and sun-spots P6:209 WILLARD, C. R., Proctor, Richard A Pi:3i9 Time and time signals PI : 60 WILLIAMS, A. S., Jovian phenomena Pli:36i Red spot on Jupiter P15:s6o Remarks on Hough's article on Jupiter Pll : 188 WILSING, Dr., Sun's rotation determined by faculae A2:63S WILSON, D. T., A star-correction machine PIO: 82 WILSON, H. C, Astronomical work at Goodsell observatory Pll : 179 Astronomy with the small camera PI : 26, 49 Astrophotographic chart of the sky A3:26o Celestial photography at high altitude P12:so9 Comet 1882 1 83 : 137 Comet b 1882, (1882 11) S3: i Comet 1884, II, Barnard's periodic P2:32i Comet 1889 V S9: 125 Orbits of A2:793; Pi: 151 Comet 1894 e (1894 IV) and the lost comet De Vico, 1844 I P2:24i Comet 1908 c Morehouse P16 : 563 Comet Halley, Next apparition of P16:26s Comets 1844 I and 1886 V 86: 121 of 1887 S7: 153 189.^ A2: 121 INDEX OF AUTHORS 49 Volume and Page WILSON, H. C, (Continued) Deviation of a falling body from the vertical P5: i86 Double star S 2143 A2:ii2 observation errors S5: 174, 211 Exterior nebulosities of the Pleiades P7 : 57 Great nebula m Orion PI ■ 433 Jupiter observations with 16-inch equatorial Ai: i8g Leonid meteor shower P6 ■ S68 Light curve of Nova Persei. .P9:447, 479, 545; P10:3i, 91, 144, 199, 257, 3i6 Mars observations at Goodsell observatory ■ Al : 684 and his canals S8 : 13 Measuring distance of the sun, by Eros P12: 149 Meteoric shower of November P6 : 502 Nebula in Andromeda P7 ■ S07 Nebulous areas of the sky P12:40i Nova Geminorum, 12.1903 Pli:2s8 Nova Persei P9:i97; Pio: 74 Number and distribution of the stars, near Pleiades P15: 193 Occultation of the Pleiades, Dec. 10, 1894 PZ: 176 stars in the Hyadcs, Dec. 20, 1904 P12:6ii Our knowledge of comets SS : 257 Photograph of nebula HV 15 = N G C 6960 P10:432 Pleiades and two asteroids PI : 322 the sun P8 : 94 Photographing the Milky Way P3 : 58 Physical appearance of comet Holmes A2 : 3 1 Ring nebula in Lyra P5J337 Rotation period of Saturn Pll : 443 Spectrum of Mira, {0 Ceti,) P3 : 390 Strassburg observatory of the royal university P5: 171 Sun-spot of August 1894 P2: 49 observations, at Goodsell observatory A3 = 293 Supposed satellite of Venus S6:3S7 Total solar eclipse, January 22, 1898 P5:25i May 28, 1900 P8 : 240, 297 May 17-18, 1901 P9:267 Tycho Brahe's instruments at Prague observatory PS: 113 Variability of nucleus of Andromeda nebula 810:520 Variable stars of the Algol type PS: 113 with different notation PlO : 232, 312 short period P14:75, 255 WILSON, W. E., Absorption of heat in the solar atmosphere Ai: 49 Photographic photometer for determining star magnitudes Al:307 Thermal radiation from sun-spots A3 : 378 and P. L. Gray, Effective temperature of the sun A3: 382 WINCHELL, N. H., Very brilliant meteorite P12:553 50 ASTRONOMICAL PUBLICATIONS Volume and Page WINLOCK, W. C, Bibliography of astronomical literature, 1890 S10:83, 356 Comets designated S4:s; S5:so; S6:ii2 WING, D. E., Are other worlds inhabited ? Pll :S36 Star dust Pli:48i WOLF, M., Photographic observation of minor planets A2:779 Photographing minor planets AZiiop Solar statistics, 1892 A2:263 Stellar photography A2:622 WOLFER, A., Revision of Wolf's sun-spot relative numbers P10:449 WOOD, R. W., Invisibility of transparent objects Pll = 202 WOOD, J. B., Case of the Leonids P10:4S9 Geometrical consideration applied to the velocity of comets P15-S53 Newton's comet Pi:4ii Velocity of comets P13 : 140 WOOD, R. W., Invisiboility of transparent objects Pll 1202 Orbit of bodies under action of a central attraction P8: 32 WOODS, W. E., Solar prominence and reversal of the D3 line A3:iS9 WOODSIDE, C. L., Method of computing occupations S5:203 WRATTEN, S. H., and C. E. K. MEES, Filter Yellow P14:572 YENDELL, P. S., Flanery, David P8:4oo, 484 Hagen's variable star atlas P14 : 298 Observations of variable stars P13:4S3 ; P14:s37, 596 U Pegasi, variable star 8598 P3:400 Study of variable stars P2:i2; P3:446; P4:i3, 536; P5:i6, 84, 172, 23s, 302, 399; P12: 32 Variable stars of short period P2 : 160, 202, 269, 362 YOUNG, A. S., Leonids P4:498 Sun-spot observations, 1900- 1 PIO: 167 1902-3 P12:2i4 1904 P13 : 168 190S-6 P15:i27 1907 Pie: 188 YOUNG, C. A., Address at Kenwood observatory dedication 810:312 Adjustment of the spectroscope P5:3i8 Andromeda, New star in S4:28l Astronomical program for 189S P2:3o8 Astronomy in 1876-1886 S6: 4 Bielid shower P7 : 542 Chromosphere spectrum Al : 59, 162 Chronological notes P4:45l Comet b 1882, (1882 II) Si: 187 Constant of gravitation P3 : 382 Flexure of the axis of transit instruments S2: loi Lane's law of increase of temperature in gaseous sphere P7:22S Mars observed at Halsted observatory A1:675 News from nebulae S9: 27 INDEX OF AUTHORS $1 Volume and Page YOUNG, C. A., (Continued) Pending problems of astronomy 83:238, 257, 288 Recent papers on Dr. Huggins 88:289 Red spot on Jupiter 84: 119 Rotation time of 86:289 8mall telescopes vs. large 85: i 8pectroscope at Halsted observatory Al : 292 8un's constitution P12 : 22 1 heat P6: 145 Supplemental notes for "The 8un" P5:277, 332 Telescope for Halsted observatory 81:131 Transit of Venus observations 81:299 YOUNG, C. A., and T. REED, Nova Aurigae , . Ai:289 YOWELL, E. I., Is aqueous vapor present on Mars? P7:237 ZIMMERMAN, W., On making negative enlargements P13:484, 556 Index of Subjects INDEX OF SUBJECTS Volume and Page Aberration, M. Mascart Ai:i28 Constant of PlO:220, Pli:i6o of light and solar prominences, M. Fiseau Ai: 126 Planetary, R. Buchanan P13 : 376 of telescopes, Chromatic, /. E. Keeler A3: 157 and atmospheric refraction, G. C. Comstock A3 1329 M. Loewy P4: 87 Abroad, Seen and learned, T. D. Simonton P12: 113, 338 Absorption of heat in the solar atmosphere A2:463 light in space, W. H. S. Monck A2: 107 "Accident Comets," L. Swift P4: 138 Address of President of R. A. S., A. A. Common P5: i Advancement of science. Function of criticism in, F. H. Bigelow P7:2S2, 292 Aerolite in court Ai:84i observed S4: 94 Aerolites, Origin of 89:284 to shooting stars. Relation of, D. Kirkwood 86:248 Ahaz and sun-dials, (See sun-dials of Ahaz). Air, Dispersion of the, C. Runge A2:426 waves observed through telescopes, T. J. J. See P5:479 Airy's, Sir G. B., Ninetieth birthday. Observatory 810:392 Alaska boundary survey, O. J. Klotz P3:348, 395 R. J. Stein P3:s34 Albedo of planets. Relative, W. H. S. Monck K\:tj(s Aldeharan, Occultation of, G. Davidson S6: 195 H. A. Howe P13:io8 W. W. Payne P14: 103 L. D. Weld P14:2S0 Aldis' tables of ^ (9 — cos 9) P10:552 Algol, Companion of, /. E. Gore P12:3S9 /. R. Holt A3:si6 Minima of 1884 of, C. W. Irish S3: 14 Period of, W. W. Payne PIO: 25 Spectroscopic observations of 89:237 stars. Early observations of, E. C. Pickering PIO: 195 True form of light curve of, /. Plassman A1:4I9 Variable star, W. Ferrel A2:429 -|- 45°4ioi, E. C. Pickering P10:362 and /3 Capricorni, E. F. Sawyer 82 : 31 1 Allegheny observatory, 7. A. Brashear P8:54i, 565, 566 Allen, Richard Hinckley, H. S. Davis P14:sg3 L. N. Morris P14:s92 Almanacs, R. IV. McFarland P2:225, 358, 452 ; P3: 114, 303 56 ASTRONOMICAL PUBLICATIONS Volume and Page Almucantar .' 83:285 A new, A. E. Douglass Pll:252 tests, ^. C. Chandler 82:269 Alt-azimuth mounting, G. S. Jonis- ■ . • 810:506 Amateurs, Suggestions to: L. Swift I Nebulae and comet seeking PI : 30 II Great nebula in Andromeda Pi:iii III Great nebula in Orion PI : 157 IV Other wonderful nebulae Pi:249 V Nebulae and clusters PI : 369 American ephemeris. Error in, W. H. Pickering PS- 373 Amherst college observatory. New buildings at P12:36l Andromeda, Anderson's variable in A3:3I7 Nebula in, /. E. Gore P16:325 L. Swift Pi:iii H. C. Wilson P7:S07 Dimensions of P16:i97 Photographs of .88:141 Theoretical parallax of, 5". I. Corrigan P16:2S6 Variation in, W. H. Numsen 84:278, 301 H. C. Wilson Sio: 520 Parallax of X P12:43i Andromedae, y, S. W. Burnham , S10:ii8 Nova, E. E, Barnard 84:240 /. H. Eadie 85 : 79 W. H. Numsen 85: 51 H. M. Parkhurst ■ 86:118 Disappearance of, L. Swift , 85: 59 Notes on 84:246-8, 280, 285, 298, 308, 312, 316; 85: 90 Spectroscopic binary \ P15: 120 Spectrum of R 88:429 AndromedeSj (See meteors) 7. M. Boraston j\2 : 3 Angle-measuring instruments, F. E. Harpham P13 : 149 Approximations, Methods applicable to problems solved by successive, H. L. Rice , P13:370 Aquarii, Nova (and Delphini), M. Fleming ,. 810: 106 Orbit of S 2909, e, S- W. Burnham P4:474 Aquilae, Nova, E. C. Pickering P8:4os Nova, No. 2, E. C. Pickering Pl3:47i, 513 '' Pli:S73 Supposed variable Y, E. C. Pickering P6:4i8 "Triple cave" in, M. Wolf Pl0:448 Arago on Newton, W. T. Lynn P12:626 Arc, Trisection of the 88:269 Archimedes, Recently found manuscript of P16:392 INDEX OF SUBJECTS 57 Volume and Page Arcturus, D. Kirkwood PI : 248 The great star P14:i83 Argus, Orbit of 9 (j3 loi), 6". W. Burnham A2:494; KZ-2go Spectrum of 7, W". W. Campbell AS^sss L. A. Eddie P3 : 123 Arietis observed photographically, 26, E. C. Pickering P6: no Nova, 5". Glasenapp A2 : 503 /. M. Schaeberle Ai:7Si Asteroid, Computing daily motion of an, R. T. Crawford P14 : 397 H. L. Rice P14:287 orbit of great eccentricity, E. C. Pickering PIO: 23 zone, D. Kirkwood > SI 1129 and ring of Saturn, D. Kirkwood S3 : 6 Asteroids of 1891-1899 Ai:627 Companion, W. H. S. Monck S7 : 334 Distribution of, D. Kirkwood S6 : 1 16 Effects of collisions between, 6". /. Corrigan A2:207, 304, 474 Elements and notes: ( 1 ) Ceres A3 : 341 ; Pll : 207 (2) Pallas A3:34i (3) Juno Pli:207 (4) Vesta A3:34i; VW.207 (7) Iris PI2: 137 (11) Parthenope P8:288 (48) Doris P10:S43 (82) Alkmene P9:SIS (113) Amalthea P9:SIS (13s) Hertha 82:314; P12:20S (139) Juewa, G. C. Comstock 87:214 (172) Baucis P9:570 (17s) Andromache P9:s7o (196) Philomena P9:27S (206) Hersilia S4:iis (209) Dido P9: 159 (212) Medea P8:si6 (228) Agatha 33= 57 (235) Carolina S3: 27 (236) Honoria S4:iiS (237) Coelestina S4:iis (238) Hypatia S4: 115 (239) Adrastea S4:ii5 (240) Vanadis S4:iis (241) Germania S4:iiS ; P9:5I5 (242) Kriemhild S4:iiS (243) Ida S4: IIS (244) Sita S4:iis ASTRONOMICAL PUBLICATIONS Asteroids, Elements and notes, (Continued) Volume and Page (247 (26s (279 (281 (29s (306 (314 (334 (347 (3S9 (371 (391 (406 (416 (417 (433 (434 (443 (444 (446 (449 (45 1 (453 (454: (455 (456 (457: (458: (459 (460 (461 (462 (463 (464 (465 (466 (467 (468 (469 (470: (471 (472 (473 (474 (475 Eukrate P9-5I5 Anna PIO: 154 Thule, D. Kirkwood .' SS: 83 Lucretia, W. C. Winlock S8: 42 Theresia P8:si6 Unitas P8:5S9 Rosalia P9:349 Chicago P9:5i4; P10:iS4; Pli: 47 Pariana P10:iS4 (1893M) (1902 HS) P10:438 Bohemia (1893 AD) P10:38i Ingeborg (1894 BE) P9:4o6, 459 Erna (1895 CB) (1903 LP) (1905 QU) P13:s67 Vaticana (1896 CS) Pl0:494 Suevia (1896 CT) (1901 FN) Pli:567 Eros (1898 DQ) {See Eros). Hungaria P8:2I7 Photographica (1899 EF) P10:38i Gyptis, (1899 EL) P8:s6i; P9:s7i; P10:267 Aeternitas (1899 ER) P10:267 Hamburga ( 1899 EU) P10:268 Payientia (1899 EY) P8: 102, 160 Tea (1900 FA) (1901 GS) P8: Mathesis (1900 FC) P9: Bruchsalia (1900 FG) PlO: Abnoba (1900 FH) pg: Alleghenia (1900 FJ) PS: Hercynia (1900 FK) P9: Signe, ( 1900 EM) pg: Scania (1900 FN) pg: Saskia (1900 FP) pg: Eriphyla (1900 FQ) (1907 XL) pg: Lola (1900 FS) pg: Megaira (1901 FV) P9: Alekto (1901 FW) PlO: Tisiphone (1901 FX) PS^SH; Pio: Laura (1901 FY) P9:si4; PIO: Lina PIO: Argentina (GB 1901) pio: Kilia (489) (JO 1902) P10:ioo; P12: Papagena (GN 1901) pio: 99; P15: Roma (GP 1901) PIO: Nolli (GC 1901) pxo: Prudentia (GD 1901 ) PIO: Ocllo (HN 1901) PIO: 217 S14 99 405 S17 275 559 559 559 559 275 514 99 99 100 99 99 137 571 99 268 268 382 INDEX OF AUTHORS 59 Volume and Page Asteroids, Elements and notes, (Continued) (476) Hedwig P10:268 (477) Italia (GR 1901) ■ P10:2I2 (478) Tergeste (GU 1901) P9:s69; P10:268; Pli: 96 (479) Caprera (HG 1901) P10:268 (480) Hansa (GL 1901) (QJ 1905) Pli:2o8 (481) Emita (HP 1902) Pli: 48 (482) Petrina (HT 1902) Pli:2o8 (484) Pittsburghia (HX 1902) Pli:2o8 (48s) Genua (HZ 1902) Pli:2o8 (486) Cremona (JB 1902) Pli:2o8 (488) Kreusa (JG 1902) Pli:452 (489) See (470). (490) Veritas ( JP 1902) Pli :4S2 (492) Gismonda (JR 1902) Pll:4S2 (498) Tokio (KU 1902) Pli:4S2 (SOS) Cava (LL 1902) Pli:s68 (554) Peraga (PS 190S) P13:s67 (555) Norma (PT 1905) P13:s67 (556) Phyllis (PW 1905) P13:567 (557) Violetta (PY 1905) P13:567 (558) Carmen (QB 1905) P13:567 (559) Nanon (QD 1905) P13:567 (560) Delia (QF 1905) P13:s67 (561) Ingwelde (QG 1905) P13:567 (562) Salome (QH 1905) P13:s67 (563) Suleika (QK 1905) P13:567 (564) Dudu (QM 190S) P13:567 (565) Marbachia (QN 1905) P13:567 (566) Stereoscopia (QO 1905) P13:567 (567) Eleutheria (QP 1905) P13:567 (568) Cheruskia (QS 1905) P13:567 (569) Misa (QT 1905) P13:s67 (581) Tauntonia (SF 1965) Pl4:i74 H. A. Morgan PU: 174 (588) Achilles (TG 1906) P14:303 FL 1900 P8:5i4 FO 1900 P8:559 FR 1900 P8 : 559 GA 1900 P10:ioo GT 1901 PIO: 380 GV 1901 Pio: 100, 380 GW 1901 PlO : 380 GX 1961 P10:38o GY 1901 P10:38o GZ 1901 P10:38o 6o ASTRONOMICAL PUBLICATIONS Volume and Page Asteroids, Elements and notes, (Continued) HL 1901 P10:268 Gaps in the zone of, D. Kirkivood SIO: 194 Groups of, D. Kirkwood Al : 785 Inclination of the, D. Kirkwood 88:305 Missing, E. C. Pickering ' ■ • PH • 181 Photometric observations of, H. M. Parkhurst S6 : 353 ; A2 : S7o Polarization of light of, M. IV. Harrington S3: yg ■ Recent, D. Kirkwood S4: 114 Trails of, E. C. Pickering Pli:iS3 Watson, B. L. Newkirk P12:64S Watson's 22 P12:429 and their relation to the planetary system, D. Kirkwood Pi: 19 Asteroidal orbits. Inclinations and eccentricities of, D. Kirkwood 86:169 Astral geometry, G. B. Halsted P9 : 187 Astrolabe, M. L. Huggins A3 : 793 ; P2 : 199, 261 Astronomer, (C. A. Young) R. Bridges P13: 172 Aims of an, E. C. Pickering P14:s83 Tools of the, M. W. Harrington 82:248, 261, 297 Ups and downs of an, L. Swift P9:476 "Astronomer's"' globe, A. E. Douglass P5: 57 pole, H. Jacoby P9 : 177 reverie, M. E. Mitchell P6:564 Astronomers vs. photographers, O. Stone S6: i of to-day, H, Macpherson, Jr P16:397 Wolf-Leavenworth collection of portraits of 89: 152 Women, H. S. Davis P6:i29, 211, 220 Astronomical achievement, (Extracts from address) D. Gill P15:467 books for use of students, H. A. Howe P9:29, 61, 169, 225 chart, An old, W. H. Grainger Al:844 cipher messages S4: 161 clock correction A2:284 Pond motor 88:273 clocks, 5". Newcomh 83:206 Electrical contact apparatus for, I. E. Keeler 87: 9 Make-and-break-circuit for, W. R. Brooks 87:346 NeviT escapement for A2 : 761 conference. International, M. Loewy P9 : 393 exhibition of Columbian exposition Ai:3os ; A2:64i facts and fallacies, /. E. Gore P16 : 525 instrument. An ancient, K. Laves P8:492 instruments. Standard dimensions in, /. A. Brashear 87: 77 investigations. Value of photography for, G. Clark P9:294 Journal by Flarnmarion, E. S. Holden 81 : 103 library 81:296 literature for 1890, W. C. Winlock SIO: 83, 356 INDEX OF SUBJECTS 6i Volume and Page Astronomical, (Continued) myths, — astrology, T. Lindsay P6 : 139, 405 — planets and the weather, T. Lindsay P7 : 181 observatory, G. E. Lumsden P7:307, 371 photography, Edinburgh Review S7: 138, 181 E. C. Pickering S2 : 50 Progress of, D. Gill P15:S28 H. C. Russell P2: loi, 170, 310, 457 with commercial lenses, W. Harkness Ai:64i portrait lens, E. E. Barnard P16:286 reflecting telescopes, /. A. Parkhurst P14:44g short focus lens, G. M. Searle A2:s77 research, W. W. Payne P12! 89 Aid to, E. C. Pickering 89:473; Pli:3So; P12:472 secondary negatives and their originals, R. J. Wallace P16:iS9 society meetings: (See also Observatory reports and publications) A. A. A. S Sl:i22, 162; 59:380; P3:is6; P6:i8s; P7:i6s, 444; P15: 64 A. & A. S. of A P10:iio; Pli:i04; P12:i46, 287; PU: 63 Astronomical congress A2 : 78, 640, 743 A. S. of P 88:358; 39:24, 106, 212, 296; 510:132, 254, 429; Ai:256, 636; A2:478 A. S. of Toronto, Ai:346, 637, 846; A2:95, 287, 383, 479, 575, 861, 939; A3:i74, 262, 327, 418, 518; P2:i92, 431, 473; P3:i6o; P4:iio, 279, 530; P5:277; Pli:s5- Baltimore A. 5 Ai:789; A2:57s, 669 B. A. A 59:456; Al:739; P9:576; P12:285; P13:226; P14:i04 Camden A. S Ai:256; A2:287 Chicago Academy of Science, Al:63S, 846; A2:94, 285, 477, 940; A3: 87, 173, 262, 326, 419. Croatian Physical Society P12 : 289 New York Academy of Science A2:28s, 383, 478, 940; A3: 88, 415 R. A. S P13:S77 R. A. S., of Canada P12:630 Wanganui (New Zealand) ■ P14: 122 text books. Errors in, L. Swift S8: 160, 232, 254 theory of the ice age, R. W. McFarland S6 : 1 17 W. H. S. Monck 55:293; S6:s7, 193; 58:193 molecule and an electronic theory of matter, 5". /. Corri- gan, P15:s8s; P16:2S, 98, 148, 300, 367, 411, 493, 533, 619 work at Munich, G. W. Myers P4:229 in progress, W. W. Payne P12: 45 of 1895, C. A. Young P2:3o8 190S, A. C. D. Crommelin PI4: 11 with inexpensive apparatus, G. E. Hale Pie: 74, 167, 438 62 ASTRONOMICAL PUBLICATIONS Volume and Page Astronomy, E. W. Maunder P14= IS3 Address on, A. A. Common P8:4i7, 496 Amherst college. History of, D. Todd Pli:322 Aspects of American, 5. Newcomb P5:3Si Current, W. W. Payne P6:39S ; P9:445 ; PH: 182 ; Pls: 72 in education. Place and function, H. A. Howe P6:37l 1876— 1886, C. A. Young .■ Se: 4 in 1889, W. W. Payne S9: loi 1890, W. W. Payne SIO: 133 1893, W. W. Payne A2: 102 19th Century, W. W. Payne 86:350 20th Century, W. W. Payne P9:286 1906, E. W. Maunder P15: i 1907, Science Year Book P16: 174 the High School, M. E. Byrd. . .Pli:sso; P12:24, 199; P13:s45; P15:227 E. Miller P3: 161 W. W. Payne S3: 15 and college. Need of revived interest, /. T. Rorer P14:34o Russia, 5". W. Burnham A2:s9S southern California, L. Swift P6:si6 U. S., T. H. Safford S7:43o; 88:70, 198 What women have done for, A. P. McKenney P12:i7i universities and colleges, G. D. Swezey P5:2SS of the nebulae, W. W. Payne P9:490 Field for woman's work in, Mrs. M. Fleming A2:683 Folk-lore, L. P. Venen P2: 32 Foreign notices of American S2: 72 Good books on P13:s8o History of, G. F. Chambers 810:437 H. S. Davis P6:45S Illustrations from, W. W. Payne P9: 151 Instruments and work of, A. Hall S4: 97 Laboratory course in elementary, M. E. Byrd P14:294 for general, M. E. Byrd PIO: 131 Neglected field of fundamental, /. R. Eastman A2: 126, 315 Nippur excavations Pll: iii Pending problems of, C. A. Young 88:238, 257, 289 Place of, i". Newcomb 87 : 14 65 Plea for elementary, M. E. Byrd P15 : 23 Popular study of, M. E. Byrd 86: 131 M. Proctor P2:4i8 Popularized A2 : 376 of precision, Problems in, G. C. Comstock P4:437 Problems in sidereal, /. Ennis §2: 67 Recent, W. W. Payne P6:3I3; Pli:363 INDEX OF SUBJECTS 63 Volume and Page Astronomy, (Continued) Schreiber's Jesuit, W. F. Rigge PlZip, 94, 230, 303, 375 Scottish, H. Macpherson, Jr P14:2o6 of Shakespeare, O. E. Harmon ■ . .P6:232, 203, 321 Sketch of theoretical, A. Hall P5: 9 with small camera, H. C. Wilson Pi:26, 49 Spectroscopic work for classes in, 3". F. Whiting P13:387 Study of, W. W. Payne ...Si'-zio, 407; P3:377; P4:s7, 116; P8:29, 75, 136, 247. with photographs, W. W. Payne P4:49S physical, T. J. J. See P2:249, 289, 337, 384 Teaching descriptive, H. A. Ht we P4:22S, 363 with arc method descriptive, K. Laves P14:2I7 general, F. R. Moulton P4:400 with drawings and globes, 5". F. Whiting P13:23S graphs, 5'. F. Whiting P13: 185 laboratory method, M. E. Byrd P7:472 D. Todd P8:467 photographs, i". F. Whiting P13:430 and civilization, A. W. Nitsch P4:2o6 educational ideals, T. I. I. See P5:429 geology. Untrodden ground in A3 : 325 Astrophysical Journal, G. E. Hale Ai:i7; A3:83i Index P16:453 "Autochrom" plate, R. J. Wallace P16: 83 Atmosphere, F. J. B. Cordeiro P13:384 Effect of mountains on, A. E. Douglass P'<'-354 telescope and observer, A. E. Douglass P5 : 64 Atmospheric absorption, 5. P. Langley S3 ^267 condition, J. R. Hooper S3:230 conditions of central and southwestern U. S., T. J. J . See P6: 65 i'. Townley P6: 188 strata. Law of, W. E. Thomas Pli: 196 Auhagen's demonstration, W. Auhagen P15:44S Aurigae, Radial velocity of /3 P12:2IS Nova Ai:233, 249, 328, 330, 434, 828; A2:27o E. E. Barnard P2 : 307 W. W. Campbell Ai:7is,82o; A2:i49 A. M. Gierke Al : 504 R. Copeland Al : S93 A. L. Cortie A2:S2i Mr. and Mrs. W. Huggins Al : 571 E. C. Pickering Al : 228, 417, 750 G. Rayet A\'-2gi T. Reed and C. A. Young Al : 289 H. Seeliger Ai:904, 929; A3: 142 64 ASTRONOMICAL PUBLICATIONS Volume and Page Aurigae, Nova, (Continued) W. Sidgreaves Ai:6o4, 882 H. C. Vogel A2:896; A3:48, 66, 136, 150 M. W. Whitney Al :46i C. A. Young and T. Reed Ai:289 disappearing, H. C. Wilson Al : 346 Measures in spectrum of A3: 66 Motion of, W. W. Campbell Ai:88i H. C. Vogel Ai:39i a nebula, E. E. Barnard Ai:7Si 7. M. Schaeberle A1:S23 New outburst Ai:737, 934 and Normae A3:20i Observations of A2: 174 W. W. Campbell Ai:7is; A2:4i7 Spectrum of, W. W. Campbell ". . . A2:722 H. Crew Ai:23i Mr. and Mrs. Huggins A2:6o9 W. Huggins A2 : 349 V. Schumann A2:iS9 W. Sidgreaves Ai:882; Cor. A2:s6o Visual appearance of, W. Huggins A3:3i4 Aurora, H. G. Blatchley, Aug. 21, 1903 Pli:S78 /. M. Boraston, April 25, 1892 Al:52i C. S. Bryant SI : 88 7. B. Coit, Aug. 21, 1903 Pli:S34 A. R. 7. P. Hassard P16:si7 M. E. Hutton, Aug. 6, 1896 P4:276 W. M. Mitchell, Aug. 21, 1903 Pli:S4i P. E. Seagrave Al : 539 M. A. Veeder, March 30, 1894 A3:40l, 779 Concerted observation of, M. A. Veeder Pi: 22 Solar origin of, M. A. Veeder 88:403 and zodiacal light, A. Harvey P10:332 Aurorae, Height of, 7. A. Copeland A3:so6 Notes on Al:i73, 237, 249 sun-spots, and earth currents, M. A. Veeder Pl:479 Systematic study of, W. W. Payne A2:6o2 Auroras, (See magnetic storms) of January, 1892, M. A. Veeder Ai:23Q Observations in north Greenland of, M. A. Veeder A3: 779 sun-spots Si: 98 and magnetic disturbances Al:6l7 Aurora borealis, A. R. J. P. Hassard P15:2s6 A. B. Hervey P15:446 A. G. Zambrano P15:S76 INDEX OF AUTHORS 65 Volume and Page Aurora (Continued) charging an electro-magnetic clock P12 : 288 Aurora-inclinometer, F. H. Bigelow 810:496 Auroral arch, Aug. 21, 1903 P12:2i8 O. A. Allen P12: 65 D. L. Stewart P12: 65 arches, F. Campbell Pli:S75 ; P15:448 A. R. J. F. Hassard P16:4SS /. W. Miles Pie: 65 A. W. Wmiamsen P11:S78 phenomena, D. E. Hadden P10:249 or zodiacal light, D. E. Hadden Plo:388 Awards of medals, prizes, etc.: Arago medal A3:8i ; Pi:336; P2:33 Astronomical Journal prize A2:283, 848 ; P2:474. society of Mexico, medals P15 : 59 Boyden premium P7:8o; P13:i72; P15:siS Bredekhine prize PIO : 334 Carnegie institution fund Pll : 103 Funds for scientific research: Anonymous P10:223 Carnegie institution Pll : 103 Gould P7:i68; P9:276; Pli:275 Hodgkins A2:s6o Research endowment P12:472 Gwilt gift PS: 96 Janssen medal P2:33i; P13:4I2; P14:446 Lalande prize 81:42, 46, 100; 82:131; A2:i86; P12:36i Lawrence fellowship P13 : 350, 415 R. A. 8. medals A3: 169; Pi:286; P13:i72; P14:i24, 254 R. P. 8. awards PU: 137 Rumford medal •• 82: 160 8t. Louis exposition medal P12:679 Warner astronomical prize 81:21, 12s; 33:58,94, 124; 84:6i; 85:123, 188; 86:225; 87:222; 88:372 Babylonian astronomy. Researches in Al : 347 table of squares 82:317 Bailey's beads, L. Swift 89 : 170 Barnard, E. E., S. W. Burnham Pi: 193, 341, 441 Barometric pressure, Mean values of. Solar physics committee P16:549 Bessel's Log. B for great elevations, H. P Tuttle 87:406 Biela meteors, (8ee meteors) Binary pairs, Hypothetical parallax of, E. S. H olden 87:356 star. Orbit of companion of a, /. H. Boyd P3 : 19 Binary stars (8ee double stars and spectroscopic binaries) (3 151, Orbit of ^ Delphini, R. G. Aitken Pl0:486; Pli: 28 66 ASTRONOMICAL PUBLICATIONS Volume and Page Binary, |3 151, Orbit of j3 Delphini, (Continued) S. W. Burnham 810:215 /3 208, 6". W. Burnham Al 1464 in periastron, T. J. J. See P16: 126 j3 216, Orbit of Pli:S76 /3 39S = (82 Ceti), Orbit of new PP5:329; P6: 59 R. G. Aitken P13:i90 6'. W. Burnham S5 : 87 § 416 = {Scarpa 18s), 5'. W. Burnham 810:489; A2:792 5'. Glasenapp ■*■ A2 :402 ^ 612, Motion of, 5'. W. Burnham 810:323 ; Ai:268 S. Glasenapp P15:648 /3 733 = (8s Pegasi), Elements of A2:i87; P14:so6 Orbit of, L'Astronomie 88:213 /3 883, 5% year period of P5:245 New measures of, T. J. J. See P5 : 173 S 1687, Coma Berenices and S 4, j". W. Burnham P5:i25 2 178s, Period of, 5". W. Burnham A2:397 S 1998 (e Scarpa), Orbit of, 5". W. Burnham P13:472 2 2107, Orbit of, 6'. W. Burnham P5:449 S 82, 5'. Glasenapp A2:7S9 S 215, Orbit of, ^. W. Burnham P4 = S43 S 224, 6". W. Burnham Ai:66i 5'. Gascnapp A2 : 702 Orbit of, /. E. Gore A3:sS9 2 28s, Orbit of, 5". W. Burnham 810:273 ; A2:s86 ^ S3S. Period of 8 Equulei, S. W. Burnham 82:244 A 15, Orbit of, H. B. Evans P7:3o6 Close, E. C. Pickering 8IO: 5 Density and figure of close P9:46i Determining apparent orbits of, C. P. Howard A3 : 425 discovered by T. J. J. See P4:4Si Eccentricities of the orbits of, T. J. J. See 810: 65 Masses of, 6". M. Hadley Pli:24o; P13:26o, 323 measured by the use of the spectroscope, P. R. Moulton P3:337 Spectroscopic observations of, W. H. S. Monck 88:289 systems, 5". W. Burnham P4: 169 Binaries, Three interesting, JV". M. Mann 88:385 Binocular Porro prism Pll : 279 telescope. Performance of a, D. W. Edgecamb PIO: 523 Bode's law applied to satellites, JV. T. Lynn A2:8g5 Bologne, Italy, observatory. New P15 : 257 Bolometer, History of the A2:78, 465 work, Mr. Langley's progress in A3: 41 Books, Two important, IV. IV. Payne P10:465 Bowditch's, Nathaniel, services to American astronomy, T. J. J. See P2:386 INDEX OF SUBJECTS 67 Volume and Page Bradley's stars, Proper motion of, T. H. S afford S8: 164 Brahe, Tycho '. S4: 86 C. E. Furness P3:22i Brahe's death, Tercentenary of Tycho, Nature P9:s65 Instruments at Prague observatory, H. C. Wilson P9 : 1 13 star, Place of Tycho, 5. W. Burnham 89:449 Bright wire illumination for micrometers, 5". W. Burnham Sl^iio British astronomical society work, W. H. Maw P8: 65 Brooks' cometary mass, W. R. Brooks ■ S2: 149 Buchanan, Roberdeau, and the doctrine of limits, /. Morrison P13:472 Burnham on double stars, G. C. Comstock 510:277 Calculating machines. Some, H. S. Davis P4 : 20 Calculus by means of finite differences. Differential, R. Buchanan- ■ .P13:24S, 309 Calendar, R. W. McFarland P16:389 Chinese, W. L. Hornsby P10:229 E. M. Ty demon PIO : 335 Perpetual, R. W. McFarland SIO: 129, 247 Calendars, Ancient, K. Laves P14:276 California university proposed astronomical observatory P6:479 Camelopardalis, Nova, M. Fleming SIO : 152 Canals, Explanation of Martian and lunar, W. H. Pickering P12:439 and separative powers of glasses. Double, P. Lowell P12:57S f Cancri, Quadruple stars, H. Seeliger A3:8o2 6 Cancri, Proper motion of Pll : 577 £ Cancri, System of, 5". W. Burnham A2 :872 A. M. Clerke 89:300 Capella, a visual double star, H. C. Wilson P9: 109 jS Capricorni, Occultation of 88:91, 150 Cartesian co-ordinates. Equation of, H. H. Furness, Jr S9:200 p Cassiopeiae, Companion to, 5". W. Burnham P8:S40 n Cassiopeiae, Orbit of P9:578 Castor, Orbit of, 5'. W. Burnham P4:286 ; P12:627 Quadruple star, W. W. Campbell P13'. 87 Catalogue of 130 polar stars 86:157 1278 stars, G. Davidson 83:250 Catalogues of stars to a homogeneous system, W. A. Rogers 81:205 Celestial motions. Theories of, 5". Newcomb 82 : 1 1, 33 photographs. Comparison of Al : 634 photography P14:575 a Centauri, Orbit of, T. I. J. See ' A3 : 256 w Centauri, S. L Bailey A2:689 Centauri Nova, E. C. Pickering P3 : 380 Century, Twentieth, /. Edmunds P8 : 140 U Cephei, L L Watson PIO : 294 Light curve of P10:iS9 Observations of, G. L. Jones P9 : 408 68 ASTRONOMICAL PUBLICATIONS Volume and Page Cepheus, Stars of the 5th type in Ai:23S Ceres, Pallas and Vesta, Diameters of, E. E. Barnard, (See Asteroids,) (i), (2), (4) A3:34i Chapel address, Jan. 8, 1902, /. K. Rees PIO: 13s Chromosphere in 1891 and 1892, Solar, W. Sidgreaves A2:S39 line in Angstrom 6676.9, A. L. Cortie Ai: 135 C. A. Young Ai:i62 Chronograph, An improvised, .S". H. Brackett Al:2S2 A printing, G. IV. Hough S5 : 161 Chronological notes, R. W. McFarlamd P3:44i ; P4:63, 194, 233, 353, 391, 529 C. A. Young P4:4Si Cincinnati observatory's new 16-inch, 7. G. Porter P12:437 Circle on the celestial sphere, A great, O. E. Harmon P4-SSS Graduation of Harvard meridian, W. A. Rogers S3 1306 Circles, Notes on meridian, J. Tatlock, Jr S3:27S Right ascension, H. M. Parkhurst S4: 23 at Strassburg, Meridian, E. S. H olden S3: ipg Circumpolar stars, A chart, H. C. Russell P4: 61 Clark, Autobiography of Alvan S8: 109 Clark & Sons, Corporation, The Alvan, W. W. Payne P15:4i3 Climate as related to astronomical observations, W. H. Pickering P3:464 Clock connections for operating chronograph. Electrical A3 : 184 corrections. Computations of, F. H. Bigelow S7: 97 for Lick observatory, E. S. H olden 81:135 rate and barometric pressure. Relation between P7:50i stopped by lightning P12:57o Clocks, Break-circuit for, C. H. Chandler 88:233 W. P. Gerrish S9 : 124 Non-interfering break-circuit for, F. G. Blinn 8X0:475 Cloud heights and velocities. Nature P4: 141 Clusters and nebulae, Catalogue of P16:264 Code for aurora observations A3: 170 Gerrish system, E. C. Pickering P14:252 Coffin's tables. Errors in, W. C. Winlock 88:219 Color curve of a lens. Obtaining, H. Crew Ai:933 perception, F. I. B. Cordeiro P16:6o9 phenomena at sunset, G. C. Comstock A8 : 769 7. E. Keeler P7: 98 L. Swift P6: 589 Come learn of the stars, T. B. Smith 87:213 Comet : Biela A2:278 Brooks Periodic, (See 1889 V, 1896 VI) 88:321, 363, 371, 417; 89:39, 125, 134; Pi:89; P2:424; P4:so, 105, 160, 219, 270, 272, 387; Pli:44, 266, 348, 395, 451, 506, 567. Companions to, E. E. Barnard 88:360 INDEX OF SUBJECTS 69 Volume and Page Comet (Continued) Brooks, W. R. Brooks 88:363 and Comet Holmes, Spectra of, W. W. Campbell A2: S7 Lexell, Identity of, C. L. Poor P13: 178 in Jupiter's satellite system, /. A. Parkhurst A2:8s6 Orbits of, H. C. Wilson A2:793; P1:ist Return of 1903-4 P11:348, 395, 4Si> S06, 567 Brorsen, Short period of, G. A. Hill Ai: 7 S3:2i8, 283; 88:464; 89:37-8; Ai:25i, 343; A3:787; P8:ss8. D' Arrest 82:145; 89:38, 227, 420, 465; P4:s72; P5:5o, 108, 166, 27s; Pli:4So. Donati A2:572; P16:646 Encke, Periodic, 85:19; 87:353; 810:367, 420; A3: 869; P2:i89, 234- 5, 279-80, 333; P6:2So, 304; P9:405, 513; P12:i36, 489, 562, 673; P13:53. (See 1888 II) Finlay through Praesepe cluster (See 1886 VII) A2:759 Halley A3: 325 J. C. Dean P16:33i Detroit News P16:s22 F. W. Henkel P15:238 E. F. McPike P12:685 Research committee on P16 : 574 Ephemerides of, O. C. Wendell P16:7i, 459, 509 Perturbations of P15:3I7 Holmes, (See 1892 III, 1899 II.) Ai:929, 940; A2:83-4, 176, 180-4, 277, 369-70, 854, 934; A3:324; P3:39; P7:273, 327, 387, 498-9, 541; P8:ioi; P14:ii4, 495. Disintegration of, W. W. Payne A2: 18 New outburst of A2: 179 E. O. Lovett AS,-277 Physical appearance of, H. C. Wilson A2: 31 Probable origin of, 5". /. Corrigan A2:24, 99 E. Holmes A2:37o Spectrum of, J. E. Keeler A2:272 Transformation of, E. E. Barnard A2: 180 Lexell, E. E. Barnard S9:ii6 and Comet Brooks, Identity of, C. L. Poor P13:i78 Newton, /. B. Wood Pl:4ii Schmidt, 1882, Elements of 81 : 259 Swift observed and photographed, E. E. Barnard Ai:386 Tempel^-Swift (1867 II) 810:147, 287, 367, 419, 468, 476; Ai:85, 250, 343, 626; P6:252, 306; P13:27i-3. Tempeh-Swift (1873 11) 88:133; A3:4ii, 514, 598, 706; Pi:422, 472; P7:27i, 291, 327, 386, 439; P8:i02, P12:487, 671; P13:s3, 97. C. D. Perrine P7 : 291 70 ASTRONOMICAL PUBLICATIONS Volume and Page Comet, (Continued) Tempels-Swift 'Pi:s72; P10:438; Pli:46; Pie:so8, 575, 644 Winnecke, (See i886 VI, Comet 1892, 1898 II.) 55:288; 510:516; Ai:86, 170, 342, 444, S36, 626, 747, 837; A2: 184; P4:22o; P5:44o, 557; P6:s7, 251; Pli:566; P12:i37- Wolf, (See 1884, III, 1891, 1898 IV.) 53:254, 283, 286, 318; 54:27; 55:18; 59:184; 510:201, 241, 287, 366, 420, 469, 476, 516; Ai:86, 169, 170; P6:25o, 305, 358, 415, 476, 534, 584; P7:4S, 165 ; P12:36o. Zona (1890 IV) and Spitaler (1890 VII), Strange coincidence, E. E. Barnard SIO: 18 69 B. C P16 :646 1812 I and 1846 IV, D. Kirkwood 55: 13 1825 I P16:4S2 1827 I Pli: 46 1844 I and 1886 V, H. C. Wilson 56: 121 1845 II PlO: 153 1846 VI, H. P. Tuttle P6:56l 1851 III (See Comet Brorsen.) 1858 I Tuttle 51:310; S5: 59 III Tuttle, L. Swift, 53:154, 181 ; H. P. Tuttle P6: 6 1862 II, G. W. Hough P6:58s III, H. P. Tuttle P6:s35 Discovered by whom, W. F. Denning P7:iS, Cor. P7:ios L. Swift P6:4i7, 562; P7:i04 1863 I Pll : 44 1866 and November meteors, D. Kirkwood 54:225 1874 11 SI :309 1879 V P3:328 1881 (6) 52:305 II Tebbutt Pli: 44 V Denning 59:38, 87; Pli:395 VI Barnard 56:320 1882 I (o 1882) Wells Si:6o, 127; 52:128, 163 Notes, H. C. Wilson S3: 137 Photometric observations of 51 : 272 Spectrum of, Lohse and Copeland 51 = 134 W. M. Huggins Si:ii4 II Gould (Great Cruls, b 1882) Notes, 51: 165, 167, 171, 187-90, I9S-6, 200, 221, 224, 227-30, 233, 236, 254-5. 278; 52:27, 29! 128, 162; 57:309; 58:229; 59:226. C. S. Hastings 51 : 171 H. A. Howe S3: 97 Nucleus of, H. C. Wilson S3: i Tail of, E. E. Barnard S3 : 168 III (c 1882) Barnard, Observations of Si: 168, 236 INDEX OF SUBJECTS 71 Volume and Page Comet, (Continued) 1883 I Brooks 32:56,63, 95; S3:ss; 35:92; P14:43o W. H. Numsen S3:8i, no; 35: 92 Changes in, W. T. Sampson S3: 44 transits over star S3 : 1 18 IV=Pons 1812 (Brooks) 82:220, 257, 285, 288, 318-9; S3: 26-9, 44, 54, 59, 62, 81, 90, 118, 137; 34:152. 1884 I Ross 33:55, 124; P6:3S7 II (& 1884) Barnard S3: 188, 190, 252, 284, 313, 316-7; 34:29; 35:21; 39:37, 87; P2:i89, 382; P3:38; P8:46i. H. C. Wilson P2:32i Probable observation of, L. Swift P3: 17 III (c 1884) Wolf (See Comet Wolf.) 1885 II (0 1885) Barnard 34:179, 184, 186, 217, 219, 222, 252-3; 3 5:19, 93, 127, 153, 157; 59:184. 1886 I {d 1885) Fabry 35:62, 122, 142, 153, 157-8, 189, 256 II {e 1885) Barnard S5:2i, 57, 118, 122, 142, 256 III {b 1886) Brooks 84:252; 35: 19, 185, 187, 220, 317; P3:482; Pie: 452. IV {c 1886) Brooks.... 35:217-8; 810:517; Ai:85, 169, 251, 343, 537 V (o 1886) Brooks 85:89, 91, 185-6, 190 VI (d 1886) (See Comet Winnecke.) VII {e 1886) Finlay 85:309; 86:42, 221; 89:135; A2:372, 469, 569, 663, 759. VIII (c 1887) Barnard 36: 114 IX if 1886) Barnard 35:275, 310; 37:ii8 1887 I (o 1887) Thome 36: 113, 226; 37:248 II (& 1887) Brooks 86:113; P12:487 III (d 1887) Barnard 86:161, 221, 320 IV {e 1887) Barnard 86:220; 37:i25, 405 V (/ 1887) Olbers-Brooks 33:283; 36:289,294,327; 37: 89 1888 I (a i888)3awerthal S7:ii8, 168, 170, 215, 216, 221, 257, 262, 268, 308, 352. II (& 1888) Encke (3ee Comet Encke) 87:353; 810:367, 420 III (c 1888) Brooks 87:353, 364-5, 404; 89: 87 IV id 1888) Faye 37:354; 88:34; P3:i52, 209, 327; Pli:266, 348, 451, s66. V if 1888) Barnard 87:459; 88:34, 84 1889 a Brooks (Seen but once) 88: 84 I ie 1888) Barnard 87:354, 357, 405, 446, 451, 456; 88:34, 39, 132, 225, 319, 370; 39:135, 185, 227, 275-7. II ib 1889) Barnard 88:227, 266, 319, 370, 418, 466; 89:88, 420 III ic 1889) Barnard 88:320, 371 IV ie 1889) Davidson 88:322, 372; 39:228; P12:487 V id 1889) (See Comet Brooks) VI (/ 1889) Swift 88:463, 465 ; 39:26, 40, 88 72 ASTRONOMICAL PUBLICATIONS Volume and Page Comet, (Continued) 1890 I (g 1889) Borrelly S9:40, 88-9, 275 II (o 1890) Brooks 59:229, 276, 323-4. 373, 420, 46s ; 810:147, 201 III (6 1890) Coggia 39:37, 185; A2:37i IV {e 1890) Zona 89:466; S10:i8, 35, 101-2; P4:ios VI (c 1890) Denning 89:374, 419 VII (/ 1890) Spitaler 89:466; 810:i8, 35, loi 1891 I (o 1891) Barnard-Denning 810:241, 288, 368; PIO: 99 IV (e 1891) Barnard 810:469; A1:87, 251 1892 I (a 1892) Swift Ai:342, 344, 443-4, 523, 536, 625, 698, 747, 836, 942; A2:i84. A. E. Douglass A2:202 Photography of A2:64S II (c I892) Denning Ai:343, 44s ; A2:i84; P6: 56 III if 1892) (See Comet Holmes.) IV {b 1892) Spitaler (See Comet Winnecke.) V {e 1892) Barnard A1:83S, 941; P7:387; P8:2is; P14:ii3 Photographic discovery of, E. E. Barnard P3: 13 VI {d 1892) Brooks... Ai: 343, 697, 746, 833-6, 941; A8:8s-6, 569, 663 1893 I (g 1892) Brooks Ai:697, 941 ; A2:85, 185, 279, 369, 470, 569 (c 1893) Brooks A2: 854, 936; A3:8o, 255; Pi:i43, 186-7 E. E. Barnard PI ■ I4S Photographs of, E. E. Barnard A3 : 789 Spectrum of, W. W. Campbell A3:s7i II (& 1893) Rordame-Quenisset A2:s96, 658, 660, 751, 757-8, 854, 934; A3: 170. W. W. Campbell A2:6S2 G. E. Hale A2:6S3 /. E. Keeler A2:6so, 751 W. W. Payne ' A2:596 Photographs of A2:66o; Pi:44, 143 Photography of, W. I. Hussey P2:353, 445 Spectrum of, W. W. Campbell A2:6S2; A3:s7i 1894 I (a 1894) Denning A3:323, 410,514-5; Pi:42i, 469; P9:348; P12:58; P16:s75 II {b 1894) Gale... A3:4ii, 504, 512-4; Pi:422, 470-2; P2:44; P9:348 in a i^-inch glass, F. E. Harp ham Pi: 472 Photographs of, E. E. Barnard. ■ . A3:42i, Cor. A3:7o6 IV (e 1894) P2:i89, 234, 279; P3:87i; P8:47, 396,557; P15:433 Ephemeris, F. H. Scares P14: 113 and lost comet De Vico, 1884 I, H. C. Wilson P2:24i 1895 11 (0189s) Swift P3:95, 151,264-5; P7:44; P 10:266, 380, 493 III {d 189s) Brooks P3:209, 211, 266, 270, 327 IV (c 1895) Perrine P3:209, 245, 265, 279, 327, 434-6, 533; P4:i6i C. D. Perrine P3:24S, 279 1896 III (6 1896) Swift P4:so, 105; P7:22i INDEX OF SUBJECTS 73 Volume and Page Comet, (Continued) 1896 IV (,e 1896) Sperra (See Comet Brooks.) V (d 1896) Giacobini P4:2i8-9, 271, 333, 386; Pli:2o6, 395, 452 VII (a 1896) (g 1896) Perrine-Lamp P3:434; P4 :38s, 449-50, 525; Pli:i53 1897 I (.f 1896) Perrine P4:332, 334, 386; P5:49 III (b 1897) Perrine P5:390-i, 438 1898 I (6 1898) Perrine P6119-20, 181, 248-50, 355, 414, 475; P7:220 II (o 1898) Perrine (See Comet Winnecke- . .P5:44o, 557; P6:57, 251 III (rf 1898) (See Comet Encke.) IV (/ 1898) Hussey (See Comet Wolf.) V (g 1898) Giacobini P6:3S7, 41S ; P10:2ii VI (e 1898) Perrine P6:3o6, 356-7 VII (c 1898) Coddington-Pauly P6:305, 356, 358; P7:220, 388; P9:2I3 VIII (;• 1898) Chase P6:583; P7:44, 97, 166, 271, 328 IX (h 1898) Perrine P6:474-s, 513 X (i 1898) Brooks P6:533-4, SS6; P12:35i Orbit of, JV. J. Hussey P6:ss6 1899 I (o 1899) Swift P7:2i8, 274, 326 II (d 1899) Holmes, Rediscovery of, C. D. Perrine P7:340 (See Comet Holmes.) III {b 1899) Tuttle P7:2i9, 272, 327 V {e 1899) Giacobini P7:439, 497-8, S4i 1900 I (a 1900) Giacobini P8: 159, 161, 216, 288, 344 II (6 1900) Borrelly-Brooks P8:396, 400, 403, 461, 463, 558; P9:iS9; Pli:565. III {c 1900) Giacobini P9:io6, 159 1901 I (0 1901) Great P9:348,404, 513; P10:iS4 E. A. Path P9:289 (& 1901) — (See Comet Encke) Hall's comet P9 : 352 1902 (a 1902) Brooks P10:324 III (6 1902) Perrine P10:437-8, 444, 491-2, 542; Pll:94, 151, 152, 154, 206 W. W. Payne P10:477 (c 1902) Grigg P10:438, 492 1903 I (o 1903) Giacobini Pli:93, 151-2, 205, 267, 347 II {d 1903) Giacobini Pli:43, 94-5, 109, 151, 154, 266 III (& 1903) Grigg Pli:34S, 347; P13:336 IV (c 1903) Borrelly Pll:390-4, 450, 519; P12:28i Photographic observations of Pli:394 1904 I (a 1904) Brooks P12:349, 35i, 4i3, 4iS, 490, 672; P13:98, 337 II (rf 1904) Giacobini P13:99, 164-5, 338 1905 II (e 1904) Borrelly P13:ioo, 166 III (a 1905) Giacobini P13:269-7i, 404 IV (6 1906) Kopff ■ P14:242, 301-2, 373; P15:307 V (6 190S) Schaer P13:566; P14:s3-5 74 ASTRONOMICAL PUBLICATIONS Volume and Page Comet, (Continued) 1905 — , {d 190s) Slipher P14: 57 VI (o 1906) Brooks P14: 170-2, 191 1906 I (c 190s) Giacobini P14=56, 113, i73, 243, 301 Rotation of, W. H. Pickering P15:ioo II (c 1906) Ross P14:243, 302-3 III {f 1906) Hough, (See Comet Holmes) , IV {e 1906) Kopff P14:494, S65-7, 628 V {d 1906) Finlay P14:43o, 564; P15:ii2 VI {h 1906) Metcalf P14:63o; P15:so-i, 126 VII {g 1906) Thiele P14:628-9; P15:49-so, 111-113 1907 I (o 1907) Giacobini Pl5:247-8, 307, 372, 631 (6) Mellish P15:307, 373, 43i, S69 (c) Giacobini P15:43i id) Daniel .P15:43i-3, 504, 558, 569, 632; P16:246, 321, 380 E. E. Barnard P16:s9i Spectrum of. Knowledge P15:5S8 O. C. Wendell P15:622 {e) Mellish P15:s69, 632-3 1908 (c) Morehouse P16:sos, 507-9, 578-9, 644-5, 653 Photographic observations of, /. H. Metcalf. ■ .P16:655 7. A. Miller.... VW.6SZ H. C. Wilson... VW-sSz An unrecorded SI : 232 in corona of April 16, 1893, /. M. Schaeberle' A3 :51s Computing relative brightness of a AH 943 envelopes, E. W. Preble SI ^280 orbit, Graphical representation, G. C. Comstock P6:465 return ? When will the, Knowledge SI ^224 seeking, W. R. Brooks P7:i57 Science Observer SI : 70 strike the earth? Might a, F. Campbell P8:253 Comets of 1881 SI : 10, 14 1882, W. W. Payne 52= 119 1886, Astronomische Gesellschaft S6!20i W. C. Winlock S6:ii2 1887 H. C. Wilson S7: 153 1887-8 0. C. Wendell 39= 38 1889 S9 : 184 1892 H. C. Wilson A8:i2i 1894 P2:384 1906 H. Kreutz P15:42i Additional points relating to, G. W. Coakley Ai:6S2 to asteroid zone. Relation of short period, D. Kirkwood S7: 177 captured by planets, H. A. Newton Ai: 12 Chief discoverers of, W. F. Denning '. 59:235 INDEX OF SUBJECTS 75 Volume and Page Comets, (Continued) Chief discoverers of, L. Swift S9 : 122, 189 Composition, purpose, and effect upon the earth of, L. Boss Sl^ i designated S3:2oi; S4:s; Ss: 50 Determination of positions of, M. W. Whitney P4: 177 Dissipation of, W. H. S. Monck S7 1239 Galle's catalogue of 34:264; S5:s, 41 Geometrical considerations applied to velocity of, /. B. Wood P15:sS3 Meteoric theory of, W. H. S. Monck S9 : 2 16 Models representing orbits of, W. Harkness 56:329 Motion of, when far from the sun, G. C. Comstock PIO: 169 Naked eye, W. F. Denning P15 : 41 1 Optical appearances of, S. V. Clevenger S6: 89 Origin of, D. Kirkwood S6 : 77 Our knowledge of, H. C. Wilson S5 : 257 repelled by the sun? Are the, G. W. Coakley Ai: 97 to return in 1890, Periodic S9 : 37 Short period 81:9, 71 Spectra of, H. Kayser A3 : 204 Tails of, E. E. Barnard P12: i A. I. Pigeon 87:457 C. A. Ranyard S2:8i; 88:184 Tidal theory of, G. W. Coakley Al : 177 Tides of, R. S. Tozer P13:489 Velocity of, 7. B. Wood P13:i4o and meteors, W . F. Denning PIO : 69 W. H. S. Monck Al:i7i, 274 and their families, W. W. Payne P6: i, 70, 143, 228 . Comet-meteor radiants, O. C. Wendell 84: 153 ; S5: 152 ; 86:359 Comet-seeker, New form of, G. A, Hill 87:241 Cometary computation, 5". C. Chandler P6:459 Cometic orbits. Statistics of 83 : 183 Common's 60-inch telescope, E. C. Pickering P12:66o Computing, The art of, R. Buchanan P15:287 — 0' and p, F. Rust P15:484 Conference, International meridian S4: 14 Conservation of energy, Results from principle of, P. E. B. Jourdain. ■ ■ .P13: 36 Constant k. Significance of P2:28i Constants determined by the U. 8. C. & G. Survey, E. D. Preston P6:ioi of precession, nutation and aberration. Change of 'P5'-27\ Constellation study, W. Upton Pl'i, 50, 115, 257, 308, 363, 391, 449 Constellations S4: 150 Methods of tracing, W. A. Rogers S8: 145 Construction of the heavens, H. Macpherson, Jr P14:385 Co-ordinates, Summation of, H. M. Parkhurst '■ 85: 53 Corona, Solar, I. E. Christian P7 : 28 76 ASTRONOMICAL PUBLICATIONS Volume and Page Corona, Solar, (Continued) W. Muggins S4: 136, 167 W. W. Payne S2:i52; 88:418, 42S; S9: 93 Actinic brightness of the, E. S. Holden 89:215 on April 16, 1893, 7. M. Schaeberle A2:693, 730; A3:307 Colors in the, 7. Ennis 86:273 Extent of the, E. S. Holden 88:267 Objections to theory of the, C. 5'. Hastings 82:307 Origin of disturbed region of, C. D. Perrine P10:398 photographed in daylight, D. E. Packer P3:36i Photographing the, W. B. Featherstone P8:2So W. Huggins 81:282; 34:283 W. W. Payne P7:si6 Burckhalter's apparatus for P8:493 Probable nature of the, C. G. Abbott P16:5I9 8outh polar rays of the, 7. A. Brashear 88: 192, 224 Spectrum of the P15:soo seen after totality, A. C. De P. P. Maury P8:40i without an eclipse. Observing, G. E. Hale A2:7Si E. Miller PS: 80 M. I. Puppin A2:362 (note) P8:io6 Photographing, G. E. Hale A2:26o, 364; A3: 662 7 Coronae Australis, Elements of, H. C. Wilson 85:251 U Coronae Australis, (5484) P. S. Yendell PS: 150 Cosmic masses overweigh the stars. Transparent, A. von Brandis P14:i62 physiology. Historic notes on, T. S. Hunt 8I: So Cosmogony, The new, 7. E. Gore PI4: 515 Crater Linne, Observation of, 7. H. Stebbins P14:5io Crimson stars, Two, R. O'Halloran P6:2S4 Crossley reflector. Photographic efficiency of, W. W. Payne P8: 4 Cubic equation with three real roots, C. Gilpin, Jr P14:64l Cygnus, Nova, E. C. Pickering 89:232 S Cygnus, Origin of 89:428 \ Cygnus, 2 413, Orbit of, S. W. Burnham P4:397 61 Cygnus, N. M. Mann S2:i8; SIO: 13 61 Cygnus, Parallax of 84:284; 88:277 61 Cygnus, Proper motion of components of, 6". W. Burnham SIO: I note A3: 85 61 and 61' Cygnus, Parallaxes and connection of, H. S. Davis P6:487 P Cygnus, Spectrum of, 7. E. Keeler A2:36i 88 Cygnus, Variable star, 7. A. Parkhurst P6:i56; P7:i38 TX Cygnus, Period of P10:2i5 UY Cygnus Pli:333 U" Cygnus, R. O'Halloran P9:5i8 (See Variable stars) INDEX OF SUBJECTS 77 Volume and Page Dark-room, Ideal, British Journal of Photography Pll : i6 Day of week on which date falls. To find, A. Rydzewski P7:4i6 Deviation of falling body from the vertical, H. C. Wilson P5: i86 Dial of Ahaz, (See Sun-dials of Ahaz.) Diazenital, Communication about, Fr. Nusl and J. Fric P13: i6 Differentials of area and volume, A. Hall PIO: 5 New proof for, 7. Fricklin S2 : 209 Diffraction, H. M. Parkhurst S5 : 200 grating replicas, T. Thorp P14: 93 gratings, A. Cornu A3:207 (See Rowland's Gratings) Domes, Rotation of, G. W. Hough S2: 133 Doppler's principle applied to motion of binaries, T. J. J. See A2:8i2 Double motion mechanism. New forms of, F. L. 0. Wadsworth A3: 527 Double star, Lost, 5". W. Burnham Pli:2So E. Doolittle P13:398 measures, 5'. W. Burnham P13: 15 Poulkowa, 6". W. Burnham A3 : 354 notes, G. W. Hough Al : 349 observations, G. C. Comstock S9 : 78 of Dembowski SI : 67 F. E. Seagrave S2 : 22, 274 at Cape of Good Hope, 5". W. Burnham P13:333 Flower observatory, 5. W. Burnham PIO : 129 Errors in, H. C. Wilson S5: 174, 211 observing. Hints on, S. W. Burnham -,■ .Si:2S, 73 O. Stone SI : 95 orbit. Finding by graphical method, 5". W. Burnham PI 1243, 349 H. N. Russell P6:i49 T. J. J. See A2:58i, 865 Studying, N. M. Mann S3 : 93 systems. Evolution of, T. J. J. See A2:28g work, Poulkowa, A. Struve S5: 193 Recent, 5". W. Burnham P14: 79 95 Ceti (A.C. 2) i'. W. Burnham A2:68i 30 and 41. Geminorum, H. Sadler S5:2i8 /3 107, 5. W. Burnham- ■■ P7:i; P8:s28 j3 182, J'. W. Burnham ■ P8 : 530 /3 962, S. W. Burnham S8 : 356 BD -|- 24°2733, Proper motion of P10:s52 DM + i7°573 Ai: 92 H 2904, !?. W. Burnham S5 : 56, 93 H 2948, Measures of, 5". W. Burnham Al : 173 h 3823, and h 4321, F. P. Leavenworth S7: 172 2 186, ^. W. Burnham SIO: 72 S 503, M. W. Whitney 810:300 78 ASTRONOMICAL PUBLICATIONS Volume and Page Double star, (Continued) S 1216, S. W. Burnham Ai:662; P5:4So 2 1321, Proper motion of, P. W. Backhouse 810:377 6". W. Burnham SIO: 168 2 1603, Proper motion of, ^. W. Burnham A1JS49 2 1864, Proper motion of, 5'. W. Burnham Ai:87o 2 214s, H. C. Wilson A2: 112 Double stars, R. G. Aitken P13: 65 Edinburgh Review Pli: 299 catalogued at Lowell observatory, 500 P6: 189 discovered at Washburn observatory, 6". IV. Burnham 89:299 distances of, W. H. S. Monck 87:290 Evolution of, C. H. Darwin- ■ A2:4i3 Measures of 748, S. W. Burnham S3 : 67 Micrometrical measures of A2:282 Proper motions of, 5". W. Burnham A3 : 14 P. P Leavenworth SS: ^^ Draper, Henry, N. Y. Tribune 81:258 Dumb-Bell nebula stars. Proper motion of, E. E. Barnard A3 :44s Durchmusterung, Revision of the Cape P12:686 — 2° to — 23°, Schoenfeld's 88:154 south of — 23°, Stone's, E. S. Holden 81: 46 Durer contributions to astronomy, Raphael and Albrecht, E. S. Holden- ■ ■S9'-I2i Dust envelope. Vast, 5". P. Langley S3: 21 particles in the air 88:234 Earth, Annual motion of the, I. Haywood 87:286 Attraction and figure of the, W. W. Payne P8: 177 ; P9:7, 117 before earth-moon catastrophe, G. D. Swezey P15:397 Clairaut's theory of the figure of, A. Hall P9: 60 Evolution of, 6". Houghton SI : 147 Mean density of, /. H. Poynting P3:232 measured. How, /. E. Gore A2: 26 Rigidity of the, T. I. I. See P16:6o2 tremors, H. A. Howe 88:448 Visible shadow of, /. Haywood 84:243 Waters upon the, E. J. Brookings 88:301 and luminiferous ether. Relative motion of, A. A. Michelson and E. W. Morley 86 : 306 and moon. Comparison of features of P12:627 Earth's annual motion. Visualizing, E. A. Bowen Pi: 178 /. B. Pence P2: 46 L. Swift Pi:240 atmosphere. Mass of Ai:930 attraction due to spheroidal form P14:3l8 axis, Oscillation of 810: 47 Position of, O. E. Harmon P2:2I9 INDEX OF SUBJECTS 79 Volume and Page Earth's, (Continued) consolidation, Age of, T. J. J. See P15:s4S motions. Concerning, G. S. Hodgins P8: 60 rotation proved P12: 71 Ptolemy's argument against, H. Hancock 89:293 way, Apex of, T. J. J. See PI ■ 373 Earthquake, Feb. 23, 1892, W. H. Pickering Ai:470 April 18, 1906, and Lick observatory, W. W. Campbell P14:37g, 441 Earthquakes, New theory of, T. J. J. See P16 : 199 Objections to new theory of, G. M. Crowl P16:394 Eclipse of Agathocles, W. T. Lynn P13 : 201 5'. Newcomb P13: 199 aid to chronology, R. W. McFarland PIO: 172 Q. A. Wheat P10:i9, 138, 207 cycle, W. H. S. Monck P10:24O, 276 cyclones, H. C. O. Annals P9:204 phenomenon, /. F. Lanneau P9 : 67 photography, A. Taylor A2:267 of Thales, W. T. Lynn P9 : 577 IV. H. S. Monck P10:i27 /. N. Stockwell P9:376 Eclipses, /. Morrison P4:3o8, 502 Ancient, W. H. S. Monck ■' Pli:i3i, 242 E. Nevill P14:6i6; P15: 32 and chronology, i?. W. McFarland P7:5io; P9:i76 computed by students, H. A. Howe S4:20S explanation of researches on ancient, W. W. Payne P14: 86 Graphic method for lunar, K. Laves P15 : 533 Lunar : 1888, Jan. 28 57:35, 121, 361 1889, Jan. 16, partial, E. E. Barnard S8: 137 1891, Nov. IS Ai:9i, 92; 310:421, 467, 521 1892, Nov. 4 Al : 834 1894, partial, March 21 A3 : 165 partial, ( Sept. 14) A3 : 594, 705 ; P2 : 38 1895, March 11, L. A. Eddie P2:449 L. Swift P3:269 notes P3: 101-4 1899, Dec. 16, Changes during, W. H. Pickering P8: 57 Occultations during P8: 107 notes P7 : 330, 540 1902, Oct. 16, Chamberlin observatory P10:S49 H. A. Howe P10:548 C. /. Ling P10:5S3 R. O'Halloran P10:5Si D. S. Swan P10:548 8o ASTRONOMICAL PUBLICATIONS Volume and Page Eclipses, Lunar, (Continued) 1902, Oct. 6, L. Swift P10:so3 W. W. Payne P10:48o 1906 Coming total P14'3, 185 and occultations, G. W. Coakley 54:207 Graphic construction of, W. F. Rigge P3:i83, 247, 310, 3S3, 414, 454; P4=67, 123, 184 in one year. Seven, F. H. Burgess 88:40, 135 R. W. Prentiss S8: 85 Mathematical theory of, W. W. Payne P12:si5 Scientific value of total, C. E. Furness PS: 109 Solar, 7. Morrison P5:29, 129, 368 1882, June 17 SI : 128 1883, May 6 Si: 152, 194; 82:24, 141, 179 1885, March 16 S4:go-4, 120, 123-6, 147, 181, 219 1886, Aug. 29 85:54, 282, 313 1887, Aug. 19 86:105, 262, 292; 87:1, 161, 222 1889, Jan I 87:123, 448, 454; 88:64, 88, 234; 89:92-4, 238; 810:253 7. A. Brashear 88: 120 C. Burckhalter S8 : 97 C. W. Irish 88: 166 W. W. Payne S8: 64 W. H. Pickering 88:337 W. Upton 88: 118 1891, June 6 810:242 1892, Oct. 20, H. A. Howe A2: 88 notes Ai:627, 838, 839 1893, April 16, 7. King Ai:863 H. S. Pritchett Ai:454, 562 notes... Ai: 838-9; A2:373, 461, 645; A3:82, 162; P3:2ii. 1894, April 5 A3:25o eclipses A3:70, 595 1896, Aug. 8-g, A. Fowler P4: 28 notes P3:27o; P4:44, 221, 389 1897, July 29 P5: 162, 268-9 1898, Jan. 22, Nature P5:378 H. C. Wilson P5:25i notes P5:498, 561 observed at Ahmednagar PG:i2l Buxar P6:i23 Talni PG : 124 by U. 8. expedition P6:i25 1899, June 7 P7:330 1900, May 28, E. B. Frost P8: 86 C. P. Howard P8:55o; P9: 18 INDEX OF SUBJECTS 8i Volume and Page Eclipses, Solar, (Continued) 1900, May 28, M. Moye P8:368 W. W. Payne P8:370 W. H. Pickering P8:22S, 289 H. C. Wilson P8 : 240, 297 notes, P8:i03, 108, 144, 153, 220, 224, 291, 295, 346 350, 398, 400, 407, 462, 464. 1901, May 18 P9:276; Pli:577 in Sumatra, E. E. Barnard P9 : 527 A. N. Skinner PIO: i 190S, Aug. 30, G. Bigourdan P14 : 28 W. W. Campbell ' P18:4S6 M. Moye P13:s23 D. Todd and R. H. Baker P13:240 notes P13:473, 491 Polarization observations P14: 189 Burgos, C. P. Howard P13 : 542 V. Ventosa P14: 151 Egypt, E. F. Hussey P14: 129 Leander McCormick observatory, O. Stone P13:574 Vinaroz, A. L. Cortie P13: 575 visible in the U. S., W. P. Rigge PX3: 134 1908, Jan. 3, in U. S., W. P. Rigge P15:6io June 28, R. O'Halloran P16:si6 in U. S., W. P. Rigge P16:27i W. Upton P16:4S6 Eclipses 1882 and 1905 compared P14:i2S teach us. What solar, D. Todd P9 : 305 Electric circuits to eye end of equatorial, W. W. Dinwiddie PIO : 300 controls for astronomical instruments, P. L. O. Wadsworth A3 :26s of equatorials, W. C. Gurley A3:64i G. W. Hough A3:s24 lighting. Experiments in, H. A. Howe A2 : 505 phenomena in solar system, /. Haywood S5: 81 Electrical discharge discussed by Prof. Schuster Ai:739 discharges through poor vacua, M. I. Puppin Ai:483 Electro-magnetic induction, M. A. Veeder A2:264 Elements, neon and metargon. Journal of Chemistry P6 : 345 Elkin, W. L., Astronomical work of, S. C. Chandler P3 : 392 Ellipse passing through five points, R. J. Adcock 59 = 223 H. H. Purness. Jr S9:2oo C. E. Myers S9:268 Ellipses, Practical method of drawing, W. H. Pickering P16: 147 Ellipsograph and protractor, S. W. Burnham P4: 181 ; Cor. P4:336 Elliptic motion, A. Hall P13:287 Elongation of Polaris, Tables for, L. G. Weld S9-269 82 ASTRONOMICAL PUBLICATIONS Volume and Page English mile, 7. M. Clark S9:iss Enlarging photographic lens, S. W. Burnham Al : 558 Envelope of sphere. Rotation upon, 5". 7. Corrigan 87:369, 420; S8: 49 Envelopes, Phenomena of cooling, F. H. Bigelow S6: 170 Ephemerides, Astronomical, 7. Morrison. P2:30i Ephemeris, Lunar, 7. Morrison P3 : 362, 467 of planet or comet. Computation of, M. C. Tray lor P9'-3ii Planetary, 7. Morrison P4: 32 Sidereal, 7. Morrison P4: go Solar, 7. Morrison P2:4o6; P3:2S, 86 Equation of the spectrometer Ai:932 Equator, Constants for, R. Buchanan P16:346 Equatorial axis on ball bearings, 7*. L. O. Wadsworth A3 1723 of Chamberlin observatory, H. A. Howe A3:709, 826 like Lick's, H. S. Pritchett SS: 65 telescope. Adjustment of, H. A. Howe P3: 131, 193 K. Laves P8:424, 535 ; P9: 13 note A3: 171 6 Eridani, Motion of, 5'. W. Burnham A2 : 587 O" Eridani, A. Hall Si: 94 Eros (433) (1898 DQ), Witt's planet, 5'. C. Chandler , .P7: 26 A. Hall P6:s67, 584 W. W. Payne P7:20, 278; P8:445 E. C. Pickering P6 : 530 ; P7 : 66 G. Ravene P6 : 558 Campaign of, H. C. Wilson P9:2i4; P12:683 Double planet, 77. C. Wilson P9:277 Elements P6:47o, 531 ; P7:io7, 502; P8:io2; P10:326 Ephemerides P8:4i, 345, 350, 560; P9:3s8; P10:326; Pli: 47 Measures of P8:5i9; P12:286 Notes P6:47o, S3i, 567; P7:io7, 502 Observations of, M. Loewy P8:488 Goodsell observatory P9 : 108, 167 Lick observatory P8 : 5 19 Notes P8 : 345, 350, 52 1, 564 ; P9 : 50, 108, 167 ; PIO : 326 Tables for P8:437 Opposition of, 1900, E. C. Pickering P8:350 1903, M. C. Traylor P9:496 190S, E. C. Pickering PH : 501 notes P8:s63; Pli:47, 5oi Orbit of P7:S02 Photographs of, at Arequipa, E. C. Pickering P13 : 350 university, Minnesota P9 : 168 measured P10:388 Positions in 1893, 1894 and 1896, E. C. Pickering P8:40S INDEX OF SUBJECTS 83 Volume and Page Eros, (Continued) Rediscovery of PIO : 382 Reduction of 29s photographs, A. R. Hinks P12:s3i, 589 note P12:soi Variability in light of, E. C. Pickering P9:290, 358 notes P9:2I3; VW-zyy Visibility of, E. C. Pickering P10:546 and solar parallax, A. R. Hinks Pll 1439 notes P9 = 46s; P12:683 Errors of a divided circle, R. H. Tucker Pli:523 Ether, F. H. Getman P7: 86 Concerning the constitution of, L. d'Auria PI5: loi proved. Existence of all-pervading, G. P. Fitzgerald 87:386 and gravitation, W. H. S. Monck Pi:409 Euler-Lambert equation for parabolic motion, A. Hall P8: 2 O. C. Wendell S9:i76 European trip, J. A, Brashear S7 : 392 ; S8 : 7 Expeditions: Astronomical, Argentina P16:46o Arizona A3:3i6 Peru SIO: los Southern hemisphere, H. D. Curtis P12:687 Eclipse, i88g, Goodsell observatory S8: 177 Lick observatory 88:339 ; S9: 94 U. S. Naval observatory S9 : 97 Washington university S8 : 122 1893, English A2:27i ; A3: 82 1896, to Japan P3 : 379 1898, to India P5:225, 561; P7:449 Lick observatory P6:23i 1900 P8:289, 291, 29s, 296 igoi, Amherst party P9:276 Crocker, W. W. Campbell P9:22i 1905, M. Proctor P12:468; P13:9o, 225 U. S. Naval observatory P13:s27 Polar, Zeigler P16 : 194 Solar research, from Yerkes observatory P12 : 503 Eyepieces, Magnifying power of, C. C. Hut chins 88:326 Faculae, G. E. Hale A3 : 1 13 and prominences, /. Evershed, Jr A2:628 Faith and the fourth dimension, H. lacoby P16:298 Criticism of, W. H. Johnston P16:6is February Sundays, Determining five, F. Campbell: PH : 167 T. C. Running Pll : 218 Field-glass, How and why of the Porro prism, W. R. Warner P10:28i Figure of the sky, Observational determinations of apparent, W. C. Brenke P9:35i 84 ASTRONOMICAL PUBLICATIONS Volume and Page Films, Photographic P16:6s6 on glass, Distortions of photographic, i*. Albrecht P15:463 Filter Yellow K, C. E. K. Mees and 5'. H. Wratten P14:s72 Fireball, W. F. Denning P5:i67 H. A. Howe P9:io7 L. L. Stingley P9:426 Flower observatory, university of Pa., C. L. Doolittle P5:i22 A. W. Quimby P5:il2 Focal point of lens of long focus, G. A. Hill Pll :379 Foley's tables for computing precession, etc., E. S. Holden Si: 63 Free escapement with independent balance, D, Appel A1J872 Funds, Gould, Research, etc.. See ''Awards." Galaxy, Collection of Sirian stars, W. H. S. Monck A2:38i Gases, Constitution and function of, S. J. Corrigan P4:247 Gauss and Bessell, Sayings of. Translated by B. Trier P13:23i Gegenschein, E. E. Barnard • • • ■ S2."254 /. E. Christian P9 : 146 Cause of, /. R. Holt P2: 94 Explanation of, W. H. Pickering ■ P8 : i Observations of, A. E. Douglass 7i'-2g; P5:i78 Parallax of, /. Evershed, Jr P7 1289, 352 Principle of P2: 87 and zodiacal light • • P6 : 366 or zodiacal light, E. E. Barnard Pl-337; P7:i69 Geminorum (12.1903) before its discovery. Nova, E. C. Pickering- ■ -Vli.'- 261, 339 Chart and catalogue for observing, /. G. Hagen Pll: 341 Comparison stars for Nova, /. A. Parkhurst Pli:328 Discovery of Pll : 340 Notes, Z. Daniel Pli: 96 L. G. Leon F1V.277 C. D. Perrine Pli:si2 H. C. Wilson Pli:2s8 4 Geminorum occulted by Jupiter, /. Tatlock, Jr S5:254 H. C. Wilson 51:311 Geneva observatory P9 : 162 Geometrical construction of absorption lines of solar spectrum, G. Higgs A2:S47 Georgetown observatory work P5 : 221 Gibbs, Josiah WiUard, H. A. Bumstead Pll:446 Glass for lenses, New P12:425 optical purposes, /. A. Brashear P6: 104 telescope objectives, /. A. Brashear Pi:22i, 241, 447 Goodsell observatory. Astronomical work at, H. C. Wilson Pll: 179 expedition to Montana P12 : 506 Graduation corrections for fundamental observations, R. H. Tucker P14:32i errors. Ultimate measurement of, R. H. Tucker- -. P12:s79 INDEX OF SUBJECTS 85 Volume and Page Grating, Rutherf urd's photography and diffraction SI : 68 to study stellar spectra, Concave, H. Crew A2 ! 156 Gratings, New ruling engine for SI : 61 for optical purposes, H. A. Rowland SI '116 in theory and practice, H. A. Rowland A2: 129 Gravitation, /. E. Ayer P13:i70 F. J. B. Cordeiro P13: 8 Attempt to replace Newton's law of, K. Laves P5:si3 constant. Value of, C. V. Boys P3 : 128, 167 ; P4 : 77, 120 G. K. Burgess PIO 1421 W. A. Rogers P3:3i6 H. Seeliger P5:474, 544; P6: 40 C. A. Young P3:iS3, 382 with altitude, Variation of, H. Crew A3 1404 Gravity, Constant of S9 : 141 Force of, E. S. Holden S9" 44 meters. Differential A2 : 366 Greenwich, World's meridian S3 : 273 "Gregorian," Historic, A. W. (Juimby P5:482 Growth of worlds, W. W. Payne P6:346, 401 ; P7: 124 Gyroscope, F. J. B. Cordeiro P15 : 81, 146 Habitability of other worlds, H. A. Hozve 34:294 Hagen's astrophotographic journey, Father, W. F. Rigge P15:326 Halley, Dr. Edmond, Bibliography of, E. F. McPike P13:s7g; P14:42S Remarks on, E. F. McPike P12:453 Halley's comet in 1835, P Bronte (See Comet Halley) P12:57i Hansen's moon tables. Correction of P14:5os Harvard observatory equipment P9 : 1 1 1 Growth of, E. C. Pickering Ps: 8g Photographic flashes from, H. R. Donaghe P6:48i Heat radiation of the stars, G. E. Hale P7-503 Heavenly bodies, D. Kirkwood PI : 205 Heavens in winter, A. K. Bartlett PlS: 30 Heiss, Edward, W. F. Rigge P14 : 332 Helium terrestrial ? Is, W. W. Payne P3 : 16 Hencke, Dr. Karl Ludwig, W. Foerster SIO: 20 M 13 Herculis, E. E. Barnard P8:486 52 Herculis, S. W. Burnham Ai:465 RX Herculis, Light curve of ■ PIO: 158 ? Herculis, Motion in line of sight, A. Belopolsky A3 : 130 Herschel, Caroline, E. A. Dent Pli:i23 Hertha, minor planet, (See Asteroids) (13s) 32:314 Hindu astronomer, W. E. Plummer P7:244 Hipparchus, Precision of P14:638 Hole in the heavens, Herschels on the 82: 125 86 ASTRONOMICAL PUBLICATIONS Volume and Page Huggins, Dr., Recent papers of, C. A. Young S8 : 289 Hussey's measures of the O S double stars, 6". W. Burnham P9-5S3 loth catalogue of 100 new double stars, 6". W. Burnham P13:473 Hyades, Occultations in the S4:286; S5:28, 224; S6:i03 H. C. Wilson P12:6ii a Hydrae, Variable 82:277 e Hydrae, S. W. Burnham 88:207 Hydrogen envelope of star DM + 30°3639, W. W. Campbell A2:9i3 Secondary spectrum of, G. E. Hale A3: 57 Hymn, G. Huntington S5 : 268 Hyperion, Motion of S9 : 236 Hyperspace, Philosophy of, i". Newcomb P6:38o Ice age, Astronomical theory of PIO: 168 So-called, L. Swift Pio: 88 Illinois university observatory, G. W. Myers P6:3ig Illusion and its cause, R. M. McCreary P7: 11 Immensity and minuteness, /. E. Gore PIO : 225 Index of refraction and dispersion, B. Hasselberg A2:4SS Inhabited? Are other worlds, D. E. Wing Pli:536 Instruments for transportation. Packing, ^. C. Snell P8: 88 Some new astronomical, F. Schlesinger P10:427 Integral reduced by hyperbolic functions, F. Rust P15:s8i Interpolation, R. T. A. Innes P9:389 Theory and practice of P8:402 Intersecting rainbows, C. W. Pritchett 87:219 /. G..Hagen 87:266 Interstellar medium. Integrity of, D. Wood Pl:224 Intra-Mercurial planets, 5'. /. Corrigan '. P5:89, 139 G. Davidson S3 : 1 13 H. Harrison 83 : 135 L. Swift 82: 122, 242 Distances of 88:473 Observations of 86:84, 117, 196 Probability of four, 5". /. Corrigan P4:4I4 Search at eclipse for, C. D. Perrine P10:46o Invisibility of transparent objects, 7?. W. Wood Pli:202 Invisible, How to measure the, H. M. Parkhurst 88:406, 442 Iris (See Asteroid 7) Variability of, E. C. Pickering P12:258 Iron as a comparison spectrum. Spectrum of, H. C. Vogel Ai: ISI Janssen's visit to Mont Blanc observatory, W. W. Campbell A2:8s8 Jena glass for telescopes 88:282 Jovian phenomena, G. W. Hough Pli:297 A. S. Williams Pli:36i Julian period, R. W. McFarland PI4: 98 Jupiter, G. W. Hough P2:i45; P8:38i; P10:393 A. S. Williams '. . Pli: 188 INDEX OF SUBJECTS 87 Volume and Page Jupiter, (Continued) Determining longitude on P13:229, 573 family of comets, W. W. Payne A2:8oo; Pl^as, 62; P14:i24, 221 Great red spot on, E. E. Barnard- AW gi, 686; A3: 736; P2:i29; P16:S23 W.F. Denning. ■S5:62,2S,i\ S9:i4o; P14:34; P15:6o6 G. W.Hough 54:289; 55:183; 56:325; 510:378 A. S. Williams P15:s6o C. A. Young 54:119; 55:289 Notes on S3: 216; A2:92S; P16:39i Hypothesis regarding surface markings of, A. E, Douglass P8:473 in 1889, J. E. Keeler's observations of 59: 107 1896, Physical aspect of, H. F. GriMths P4: 25 1896-7 P6:42i Markings of, JV. W. Payne P14:6o8 M. W. Whitney A2 : 22 Mass of ; A3: 786 E. S. Holden Si: 66 Motion of great red spot on, W. F. Denning. .I'9-48&; P10:46o; P15:398 ^Motions of spots and markings, E. E. Barnard 510:413 observations, S'. F. Whiting P16:4S7 with naked eye PI : 240 16-inch equatorial, H. C. Wilson Ai:i89 Occultation of, E. S. Martin A2:276 W. H. Pickering S9:iJt8 at opposition, E. A. Bowen Pi: 133 G. W. Hough P3:5i9 Physical constitution of, G. W. Hough A3: 89; Pll: 63 Present knowledge of surface of, G. W. Hough P13: 19 Rotation, of, G. W. Hough P7:62; Pli:ii4 P. Lowell Pli: i note on P7 : 332 Spectrograms of, V. M. Slipher Pll : i Spots and markings of, G. W. Hough Ai: 193 Visibility of satellites of P9:4I4 and Saturn, Synodic period of, R. Buchanan P16: 65 Jupiter's dark spots in north tropical region, W. F. Denning P7: 14 satellites, E. E. Barnard A3:438 W. H. Pickering A2 : 193, 390, 481 ; A3 : 728 in 1664, Nation Pi:288 Disks of, E. E. Barnard A3 : 272 A. E. Douglass A3:si7 W. H. Pickering A3:423 invisible. Four of P15:i9i Shadow of A2 : 925 visible to naked eye, T. I. J. See P6:257 I • 55:155; 58:424; 510:517; P10:ssi 88 ASTRONOMICAL PUBLICATIONS Volume and Page Jupiter's satellites, (Continued) II • S5:iss; 88:424; A3:3S7 III 52:31, 130; 53:124; 54:158; 55:125, 155; 59:426, 474; 510:431, 51S; Ai:94; A3:357; P9:4ii; P10:447, 551; Pli:46o, S13; P12:682. E. E. Barnard A3:82i A. E. Douglass P5:3o8 IV 53:15s; 54:124, 155, 186; 55:155, 184; 53:424; 59:429; Ai:93; A3: 357; P2:333; Pli:S74, 575- V Ai:749, 840, 945; A2:s73, 756, 788, 856; A3:556, 781; Pi:76, 87; P7:so2; P8:48; P10:447; PU:407; P12:425 E. E. Barnard Ai:749; A3:5s6; Pi: 76 G. W. Hough Ai:94S VI Pl3:io6; P14:640; P15:iio; P16:i30 VII P13:22S, 413; P14:430, 640; P16:i30 VIII P16:246, 388, 491 Orbit of, R. T. Crawford and W. F. Meyer P16:49i southern equatorial belt, L. Swift 59:474 Keeler, J. E., Director Lick observatory P6: 186 Keeler's, J. E., remains removed to Allegheny, Pa P14:3II Kepler's attitude towards astrology, F. A. Tondorf P12:299 correspondence, /. G. Hagen 56: 109, 133, 212 equation. Important method of solving, F. R. Moulton P3:i36 Solution of, A. A. Rambaut P14:423 problem, /. Tatlock, Ir 57:453 Kinetic theory of gases, L. d'Auria P15:2io, 357, 385 ; P16:24i Kirchhoff's law, Pringsheim on, H. Crew Ai:58i Kirkwood, D., W. W. Payne Pi: 167 Kodaikanal solar physical observatory established P14:505 Lacaille, 8262, Proper motion of, E. S. Holden 52:256 Lacertae, Nova, M. Fleming Al : 27 Lalande 4219, F. P. Leavenworth 56: 80 16616, Proper motion of, E. Frisby 54: 185 Lane, J. Homer, Historical sketch of, T. J. J. See P14: 193 Lanes, Law of, T. M. Blakslee P13 : 1 1 1 Lantern, Projection distances in, H. W. Griggs P15:3i6 slides. Relief in P16:s88 La Place, Historical eulogy on. Baron Fourier P3: i Latent image in photography, Nature of the PI4: 123 Latitude and azimuth. Simultaneous determination of, /. ^. Cortie 510:189 at Greenwich, Latest 89:330 New York, Variation of, /. K. Rees PS: 169 determination, A. M. Lamb S5: 179 by zenith telescope, T. H. Safford 59: 45 by elongation, O. J. Klotz P3: 199 Periodic and secular variations of Al : 176 INDEX OF SUBJECTS 89 Volume and Page Latitude, (Continued) Photo-chronograph applied to determination of Al:633 variation, E. Doolittle P3:ios C. L. Doolittle P7:390 A. M. Lamb S4:i29 Observatory Pli:38i ; FM-^eg W. W. Payne P12:662 T. H. Safford .89:422 notes 88:422; 59:422; Ai:i7S at Cincinnati P16:4S2 German work on, H. Jacoby A\'-47l Observations of commission of 1907 P16:453 LaPlace on, A. B. Hancock P2 : 349 Periodic law of P4: 27 and azimuth, Determination of, /. 5". Cortie SIO: 189 Law of attraction of stellar systems 59:423 Laws of falling bodies, /. G. Hagen 54: 15 Lens, How to make a, G. S. Jones SIO: 68 Leonids, (5ee Meteors) a Leonis, (Regulus) Occultation of, C. B. Hill P14:44o W Leonis, Occultation of, /. F. Cole P10:33i Level, Clark's new, W. A. Rogers Si:2io Levels, Defects of sensitive, G. C. Comstock 510:299 Deflection of the, /. G. Hagen 53 : 75, 107 S M Librae, New variable, D. E. Packer 59:381 ; 510: 107 Lick observatory, Mills expedition from, W. W. Payne P15:S22 work, E. S. Holden P5: 181 telescope, E. S. Holden 57 : 296 disturbed by winds A2:s72-3 (36-inch), Comparative power, W. W. Campbell P16:56o (40- foot) for expedition, 7. M. Schaeberle Pi: 72 Life in other worlds, D. T. MacDougal P7:420 E. C. Mason P6:s20 Light fluctuations of variables. Relation of, G. W. Myers P6 : 7 Limit of solar and stellar, W. Huggins 59: 22 Measures of velocity of, S. Newcomb 55: 15, 68 in space. Dispersion of. Observatory P16:S2i Speed of P2:i38 Velocity of, H. M. Parkhurst 89:476 Lights at same time. Northern and southern, H. Arctowski P9:207 Light-waves applied to metrology, A. A. Michelson A3: 92 Limits of vision, G. Davidson Plo: in E. Holmes P9:499 Liquefaction of gases, /. Dewar P10:469, 531 ; Pli:8, 79, 117 Liverpool address, by Edward C. Pickering 52:281 Locus of center of gravity, T. J. J. See A3:627 go ASTRONOMICAL PUBLICATIONS Volume and Page Logarithmic computations, H. A. Howe S2 ! 45 Longitude, Determination of 82:31 ; S9!420 N. R. Pogson S5: 14 by moon culmination, C. L. Doolittle 84:231 from sextant observations, 5". /. Corrigan 86:175 of observatory, university of Minnesota P15:3IS and latitude of new U. 8. naval observatory, /. R. Eastman A2:699 and photographic work, at Greenwich A2:6o7 time, P. Smith 82: 17s Longitudes, Heliographic, F. H. Bigelow A2:82i new origin for terrestrial 8IO: 269 Lowe observatory, L. Swift P3 :46s Lowell expedition to the Andes, D. Todd P15:s5i observatory in Mexico, A. E. Douglass ; P4:489 work, A. E. Douglass P2:39S W. W. Payne P4:i63; P8:448 Lunar apsides. Motion of, E. Colbert 86:49, 82 atmosphere, W. H. Pickering P8 :20s and occultation of Jupiter, W. H. Pickering Ai:778 crack in Valley of Alps, W. H. Pickering P13: 64 crater and rills, Hyginus, E. S. H olden 89: 119 cusps with horizon, P. Elcharwich P7: 52 cycle, R. W. McFarland P14: 27 eclipses as problems for students, J. G. Hagen S3: 46 formations. Origin of, W. H. Pickering P8: 147, 181 observations by Dr. Klein, W. H. Pickering PIO: 118 phenomena in October, IV. H. Pickering P1,0:4I9 photographs taken at Lick observatory, R. Sprague Ai:348 photography A2:377 W. R. Brooks 87: 37 Lyra, Central star of Ring nebula, /. E. Keeler Ai:824 Ring nebula in, H. C. Wilson ' P5 : 337 Note 87 :42, 3S9 § Lyrae, Note on P10:i5S Light changes of, G. W. Myers P6:268 Spectrum of, A. Belopolski A2:2S8 H. C. Vogel A3:358, 561 Visual observations of, /. E. Keeler A2:3SO U Lyrae P9:5i8 W Lyrae, Period and light curve of P10:2is R. O'Halloran PI5: 95 Lyrids, See Meteors. Macpherson, H. Jr P15:i77 Magellanic cloud, E. C. Pickering P5:4ii Magne-crystallic action and the aurora, M. A. Veeder P12: 182 Magnesium is a source of light Al : 525 INDEX OF SUBJECTS 91 Volume and Page Magnetic disturbance, G. M. Whipple Al : 332 disturbances, Solar origin of, E. W. Maunder PlS^sg; P14:228 T. S. H. Shearman P13 : 226 P. Tacchini Al 1436 fields surrounding the sun, F. H. Bigelow A2:7o6, Cor. A2:848 influence, West Indian hurricane and, F. H. Bigelow A3:zj4i H. A. Hazen A3 : 105, 443 perturbations of the sun-spot Al : 330 M. Moreaux Ai:3i8 Magnetic Storms — See Auroras. Magnetic storm of February in Mauritius Al : 525 storms, aurorae, and solar phenomena, W. J. S. Lockyer Pll:552 M. A. Veeder '. . -PiZ-^g Magnitudes of the stars. Photographic, E. C. Pickering P6:- 59 and visual Ai:482 Mare Crisium, W. W. Payne PH:i30 Mars, A. E. Douglass P7: 113 P. Lowell A3:538, 645, 740, 814; P2:i, 52, 97, 154, 255, 343; P4:ii3 (I Introductory, P2:i, II Polar snows, P2:52; III Spring phenomena, P2:97; IV Atmosphere, P2:i54; V Canals, P2:22S; VI Oases, P2:343; P. Lowell.) W. W. Payne P3:34S, 385 ; P15:449, 539 W. H. Pickering Ai:668, 849; P13:30S G. Schiaparelli A3:63S, 714 as the abode of life, by P. Lowell P16: 129 Atmosphere of, W. W. Campbell P3:438 P. Lowell P2:iS4 Axis of rotation P12:428 Calendar for, D. A. Drew P4:4i7 Canals of, /. R. Holt A3:347 P. Lowell P2 : 2SS Observatory P16 : 520 W. W. Payne P12:36s are what? P15:s79 Changes in the P12:28i Double, P. Lowell P5 : 234 W. H. Pickering P12:385 photographed, P. Lowell P13 : 479 Climate of, M. Manson P2:37i Colors exhibited by, W. H. Pickering Ai:449, 545, 632 Drawings of, W. L. Leonard P15: 387 get its moons? Where did, E. Miller P4:424, 499 note P4:573 Is aqueous vapor present on, E. L Yowell P7:237 Meagre news from, L. Swift Al :678 Means of sharpening photographic image of, P. Lowell P15:6i2 92 ASTRONOMICAL PUBLICATIONS Volume and Page Mars, (Continued) Micrometric measures of the diameters of, P Lowell P3:287 Oases of, P. Lowell P2:343 Observations of A3:78s at Goodsell observatory, H. C. Wilson Ai:68s Halsted observatory, C. A. Young Ai:67S Lick observatory, E. E. Barnard Ai:68o E. S. Holden Ai:663 Washburn observatory, G. C. Comstock Ai:679 by Phillips in 1903 P12:2I2 Occultation, 1892, by the moon, G. E. Hale Ai:6io, 627 G. W. Hough Ai:94S H. A. Howe Ai:74S /. E. Keeler Ai:83i Opposition in 1892 Ai:S4i ; P2:430 190S-7-9, R. Buchanan P13:i37 Our knowledge of, /. Ritchie, Ir 89:450 Photographs of surface of, W. H. Pickering 39:254 Physical, Dr. Tcrby A1:478, 555 condition of S9: 122 Polar caps of, P. Lowell Pli:369 (north), P. Lowell...' P4:202; P15:4i6 (south), A. E. Douglass A3:738 Diameters of, E. E. Barnard P2:433 Melting of, W. H. Pickering A3: 308 rifts and arctic canals on, P. Lowell PIO: 113 snows, P. Lowell P2: 52 and non-glaciation, I. R. Holt P2: 78 Position of the axis of P14 : 190 north pole, G. S. Jones PIO: 54 Projections on terminator of, A. E. Douglass Pli;24 Region of Lacus Solis on, J. M. Schaeberle A3: 644; P2: 72 Satellite IX of, E. C. Pickering P12:568 Satellites of, W. W. Payne SI :23 ; S3: 73 Nautical almanac errors in orbits of A3: 707 Pretended early discovery of, R. Copcland Al:553 Schiaparelli's latest views on, W. H. Pickering A3: 632 Seas of, /. R. Hooper P4:300 W. H. Pickering A3:553 Spectrum of, W. W. Campbell A3 : 752 Spring phenomena, P Lowell P2 : 97 Study of Pli:409 Supposed signals from, P. Lowell PIO: 185 Surface markings on, G. H. Lepper P13: 130 note P10:277 Visual, W. H. Pickering 59:369 INDEX OF SUBJECTS 93 Volume and Page Mars, (Continued) Why there are no mountains on, T. J. J. See PlB^ass and his canals, H. C. Wilson S8 : 13 Pyrois, R. W. McFarland P2:238 Saturn, E. E. Barnard S8 : 428 in conj unction, L. G. Leon P12 : 147 "Mars," Lick review of, A. E. Douglass P4: 199 Martian canal development, P. Lowell PI3: i snows, W. H. Pickering P13: 196 and lunar canals. Studies in, W. H. Pickering P12: yy Martians? Are there possible, G. S. Jones P9:234 Mass to energy, Relation of P16:329 of universe to stellar dynamics. Relation of, L. d'Auria P12: 20 Master's degree, Requirements for P12:387 Mathematical progress in America P13:229 symbols. Notes relating to, H. S. Davis P5:402 teaching, Movements in, D. E. Smith P13:20S Mathematics needed for professional astronomy, W. W. Payne P15:493, 600 and astronomy. Culture value of, W. W. Payne P12:58s, 633 physics. Teaching P16 : 589 Mechanics, General problems of celestial, H. Seeliger P4:407, 475, 54s Medal awarding address, W. de W. Abney A3:283 Mean time into sidereal. New method of converting P10:276, 388 Measuring faint spectra, Method of, W. Harkness SH 52 photographic plates. New apparatus for A2:si2 Measurement of photographic intensities, E. C. Pickering P8:328 Measurements of minute linear distances P14 : 383 Paris observatory bureau, D. Klumpke A2 : 783 Refinement of modern, /. A. Brashear S9:204 Measures of star preceding /3 Capricorni S5:28s Sirius, Procyon and /3 395 P5 : 558 Medals, Laland, Royal Astronomical Society, etc. (See Awards) Mercury, P. Lowell P4:36o W. W. Payne P7:466 Elongations of, (1905) P13:28l Mass of. Nature A3 : 781 note Pli:46i E. C. Pickering P10:5S4 Naked eye object, W. F. Denning P8:202 Physical phenomena at transit of, M. B. Synder P16:3go Rotation period of S9 : 167 surface undisturbed by earth tremors, F. P. Leavenworth A3 1597 Transit of 1661 and of 1664, of P2:284 1882 Si: S3 1891, Observations of SIO: 40 R. B. Fulton, 510:377; Lick obs., S10:29i; 94 ASTRONOMICAL PUBLICATIONS Volume and Page Mercury, (Continued) Transit of 1891, H. S. Pritchett, 810:289; T. D. Simonton, SIO: 289; M. B. Snyder, 510:292; Univ. of Mo., 310:289; U. S. Naval obs., 810:289; M. A. Veeder, 810:291; Warner obs., 810:290; Washburn obs., 810:290. 1894, Observations, Agricultural college, 8. D., A3: 868; P2:i88; Chabot obs., A3:868; P2:i88; Davidson obs., A3: 866; P2:i87; Dearborn obs., P2:i88; Goodsell obs., A3:869; D. A. Hadden, P2:233; Halsted obs., A3: 868; P2: 188; H. A. Howe, A2:88; Leander McCor- mick obs., A3: 868; P2:i88; Lowell obs., A3: 865-6; P2:i8s; E. S. Martin, P2:232; Notes A3:704, 779, 866; P2:93, 168. 1907 visible in U. S., W. F. Rigge P15:488 1907 of. Observations — Detroit obs., P16:63; Drake univ., P15:644; Flower obs., P15:643; Goodsell obs., P16:62; Harvard obs., P15:643; P16:i28; Ladd obs., P15:643; M. G. Merritt, P16:i88; M. Moye, Pie: 62; A. G. Sivaslian, P16:393; Syrian Protestant college, P16:i28. Visibility of, /. H. Eadie P9:462 G. S. lones P9:367 Meridian circle at Cincinnati observatory, /. G. Porter 88: 3 Goodsell observatory, W. W. Payne 86:302 Division errors of. Director Keyser 83: 33 Index error of, W. A. Rogers 82: 138 settings. Device for facilitating, W. E. Cooke P10:36s conference 84: 14 counterpoises, E. S. Holden 81:310 instruments. Mounting of fixed Pli:Si6 line, Establishing, G. C. Comstock P9 : 246 observation, Constant error of, I. G. Porter P13: 117 observations. How to make good, T. H. Safford 810:113, 209, 401 Merope nebulae. Drawing by E. E. Barnard of 81:24, 57 Meteor comets, W. H. S. Monck 88:208 explosion 810 : 106 paths. Maps for tracing, T. W. Backhouse 85: 1 14 radiants 81 : 199 ; S3 : 236 W. F. Denning 85: 61, 167, 309; S6:i6o, 287, 356; 87:447; 89: 438; 810:234, 295; A3: 600, 872. W. H. S. Monck 89:363, 4S4; 810:109, 126, 295, 300; A3:334, 782. W. W. Payne, Chart of P7 : 337 streams, Comet, 5. /. Corrigan 85 : 145 INDEX OF SUBJECTS 95 Volume and Page Meteor, (Continued) trail, Photograph of Leonid P10:497 seen at Grahamstown, 1895, L. A. Eddie P3:27i train, W. R. Brooks S3:i67 trains drifting, E. E. Barnard Si:i74; 810:426 Meteors, Celestial phenomena explicable by, W. H. S. Mo nek S9:26o Double, L. Swift SI : 108 Heights of, W. F. Denning 88:299 Leonid, W. H. Pickering P12:S30 Leonids, Balloon observations of Pll:220 Case of the, J. B. Wood P10:459 Importance of accurately observing, G. J. Stoney P4:i34 Orbit of the,. W. W. Payne P8:s23 Period of revolution of, W. H. Pickering PIO: 8 Perturbations of, G. J. Stoney and A. M. W. Downing P7:227 Shower of, H. C. Wilson P6:s68 Non-appearance of, W. H. Pickering P7 : 523 stream, Ephemerides of two situations in, G. J. Stoney and A. M. W. Downing P7:403 Observed: 82:148; 85:317; 89:41; P14:2Si; H. W. Griggs, P14:s7i; E. F. Loomis, P16:394; E. L. Moseley, P12:i90; R. O'Hal- loran, P3:2i3; A. A. Veblen, P16:i28; A. S. Young, P16: 587. Andromeda, 1899, P8:so; G. Davidson, 1892, A2:86; R. M. Dole, P8:si. Aquarid, 1902 P10:498 Bielid, 1885, E. E. Barnard, 86:74; J. H. Eadie, 86:26; W. W. Payne, 56: 11; C. A. Young, 86:23. 1892, E. E. Barnard Al : 943 1899, G. W. Meyers, P8: 13 ; C. A. Young P7:S42 Draconid, 1907, W. F. Denning P16: 198 Leonid, 1882 81:237 1896, A. S. Young P4:498 1898, C. D. Perrine, P6:5S3; E. C. Pickering- .P6:309; P7: 46 1899, W. W. Payne, P7:393, 47s, 524; P8:iS; E. C. Pickering, P7:4I2; W. H. Pickering, P7:3gs. in India, M. E. Moulton P8: 104 New York P8 : 52 Park college, F. P. Brackett P8: 163 1898-1900, /. K. Rees P9 : 79 1900, E. M. Bardwell, VT-^g; F. P. Brackett, VT-^o; P8: 569; W. A. Cogshall, PT-7T.; E. N. Fought, VT-so; P. W. Jenkins, VT-aT, F. E. Millis, FT ■■47; W. C. Mills, P7:ioi; W. E. Sperra, P7:ioi; L. G. Weld, P7:i7; Vassar college, P8:s66, 1901, W. C. Brenke, P10:ios; la. Wes. Univ., P10:i64; 96 ASTRONOMICAL PUBLICATIONS Volume and Page Meteors observed, (Continued) Leonid, 1901, E. L. Larkin, P10:i6; W. W. Payne, VlO'-SSg; Pom- ona college, P10:i6s; /. K. Rees, PlOUo;; R. B. Taber, P10:4O3; Univ. Lawrence, P10:22o; Univ. Minnesota, P10:i6i. 1902, R. M. Dole, P10:5o; Ladd obs., P10:48; L. G. Leon, Pli:S3; W. H. Pickering, P10:4oo; Pli:6; W. P. Russell, P10:s3; /. Salloms, P10:si; F. E. Seagrave, P10:s4. 1903, Leander McCormick obs., Pli:s8i; Univ. 111., Pli: 582; W. Upton, P12:67; Yerkes obs., Pli:s8o. 1904, Brown univ., P13:S4; Drake univ., P13:54; Harv- ard, P13:s6; 111. univ., P13:s5;. Mt. Holyoke college, P12:683. 1906, C. P. Olivier P15: 59 Lyrid, 1882 Si: 99 1900, i?. M. Dole P8:348 1907, W. F. Denning P15:i68 Orionid, 1900, R. M. Dole P8:520 1901, R. M. Dole PIO: 50 1904, C. P. Olivier P12:68o Perseid, 1882, D. Kirkwood Si:i4i 1899, 7. A. Miller P7:4o6 1891, E. E. Barnard 810:470 1901, R. M. Dole, P9:S23; D. Kirkwood, P9:4i3; W. M. Mitchell, P9:s22; C. P. Olivier, P9:S2S. 1902, R. M. Dole, P10:499; C. P Olivier P10:5SS 1904, R. M. Dole P13:347 Orbits of, W. H. S. Monck 810:328 O. C. Wendell 84:55 ; 87: 47 Patches of, W. F. Denning PIO: 121 Perseid and Lyrid, R. M. Dole Pli:SM Photographing, W. L. Elkin A3:626; P2: 17 Photographs determining parallax of, /. M. Sclmeberle and A. L. Colton P5:232 velocity of, W, L. Elkin P7:44i Photography of, E. E. Barnard P5:28i Telescopic, W. F. Denning P15:i70 J. H. Metcalf P15:29; P16:s88 f Ursids, R. M. Dole P8:346 and meteorites, W. H. S. Monck 88:395 stellar scintillation, /. E. Christian Pi: 414 Meteoric astronomy, D. Kirkwood A2:38s, 789; A3: 188 orbits and radiants, 5". J. Corrigan 85 : 100 phenomena, E. F. Sawyer 81:91, 150 showers, Cometary, W. F. Denning 85: 106 miTEK Oe SUBJECTS 97 Volume and Page Meteoric showers, (Continued) W. F. Denning P13 : 107 notes on 84:299; 59= 141 1897, W. H. Pickering P6:294, 326 1898, H. C. Wilson P6:5o2 1903, at Leander McCormick observatory Pli:Si2 Meteorite, E. S. Martin A3: 172 Meteorites 89:40, 137, 283 meteors, and shooting stars, H. A. Newton 86:65, 98, 127 Mexican Al:3Si; P10:ss8 Note on brilliant, N. H. Winchell P12:SS3 or aerolites, W. H. S. Monck Pli:357; Cor. Pli:522 Pennsylvania, /. W. Miles P16 :4S8 Probable origin of, G. W. Coakley Ai:7S3 Meteorology on Pacific 81ope, /. 5. Ricard P16 : 92 Meter and wave-length of cadmium light compared, A. A. Michelson- ■ ■ • A2:ss6 Metrological society, American, /. K. Rees 89 : 335 Metrology at Northwestern university 87 : 398 Micrometer, Bright-wire illumination for, 5'. W. Burnham 81 : 1 10 for measuring astro-photographic plates, IV. H. M. Christie A2 : 588 Handy, N. M. Mann 83: 10 Illumination for a position, G. W. Hough 89: 161 observations of comets Faby and Barnard, C. L. Doolittle 85:256 screw, Brass • 86 : 229 value of one revolution of, G. C. Comstock 87 : 343 ; Cor. 87 : 409 Value of filar, C. B. Hill 87:311 Migrating birds. Determining heights of, /. Stebbins P14: 65 Mile, English, J. M. Clark 89: 155 Milky Way in autumn heavens, R. O'Halloran P10:372 Best method of observing, A. Pannekoek P5 : 524 Boeddicker's Drawings of the 88:468; Al:538 Charts for inserting, A. Pannekoek P5:485 Necessity of further reseaches on, A. Pannekoek P5:395 Photographing, E. S. Holden 88:424 H. C. Wilson P3: 58 and theory of gases, H. Peine are P14 : 475 Minor planets, (See Asteroids) Facts about, /. K. Rees P6:339 Photographic observations of, M. Wolf A2: 109, 779 and short period comets compared, M. 0. Callandreau P12:ii7 their names Pli:S46 Mira, Ceti, (gee Variable Stars, Cetus) Mira and W Lyrae, Light curves of, R. O'Halloran P15 : 95 Mirage, C. M. Charroppin P5: 23 "Mirage" from blast furnaces, L. D. Hayes P16:32i Mirage, Night, W. E. Sperra P16:i64 98 ASTRONOMICAL PUBLICATIONS Volume and Page Mirror for reflecting telescopes, F. L. O. Wadsworth P5:si8 solar observatory, loo-inch, G. E. Hale P14:5S7 Mirrors, Aberration of parabolic, /. M. Schaeberle P6: 38 Miscellany, R. W. McFarland '■■ P13:s3i Mitchel, O. M., "Old Stars," O. E. Harmon P5:4I3 Monoceros, Nebula in, E. E. Barnard 24:313; A3:642 Moon, A. Marth Si:2o8 W. W. Payne Pi: 16, 45, 289; P2:67; P3:i76; P4:i43, 242 Atlas of. Mm, Loewy and Puiseux, W. W. Payne Pli: 25 L. Weinek P5:240 Bright rays of the, H. G. Tomkins P15:296 streaks from craters of S9:28l Change in crater Pliny 88:376 Color of eclipsed, 7. E. Keeler 54:311 Formations of the, W. H. Pickering PIO: 57 Gigantic artificial, Scientific American P7: 107 Harvest, E. A. Bowen Pi: 32 hoax, 5". A. Mitchell P8:2s6 Map by J. A. Colas of A3:787 Motion of the, Nature P14: 140 observations in Mexico, L. G. Leon Pll :276 Place of origin, W. H. Pickering P15:274 in Praesepe, Occupation of, A. R. J. F. Hassard P16:328 Rills on the, P. Fauth P15:49o Temperature of 54:310 Theory of surface markings of, E. Miller P3:273, 383 Wet and dry, A. K. Bartlett P9:442 and thunderstorms, A. B. MacDowall P10:222 F. E. Seagrave P10:332 weather, A. K. Bartlett P10:368 W. H. Pickering Pli:327 wet days P9:464 Moon's auroral glow, I. Haywood ' S3: 121 heat. Distribution of 510:471 ; Ai:347 motion. Theory of SIO: 47 secular acceleration, /. E. Christian P7:32Q synchronous rotations, unexplained, R. M. McCreary P4:S7S Moonrise, Time of, W. F. Rigge P13:5SO Motion of atmosphere at high elevation, L. Swift 59:472 a heavenly body in resisting medium, G. A. Bliss P6: 20 pole. Latest knowledge of, 5'. C. Chandler P6:so9 stars in line of sight, E. C. Pickering 52:79; P4:3o6 Motions, Commensurability of, A. Hall 54:200 D. Kirkwood 54:257 of Jupiter, Saturn and minor planets. Relation between, D. Kirkwood A2:302 stars, Potsdam measures of A2:27i INDEX OF SUBJECTS 99 Volume and Page Mound-builders' calendars VZ'-^g Mount Lowe railway observatory, E. L. Larkin P9 : 360 Mounting telescope at Amherst? New system of, ^. B. Elliott P10:463 telescopes, Perfection of, E. DooUttle P7 : 149 Multiplication result, A. Hall '■ P9: 31 Nautical almanac office investigation A2:664, 760; A3: 413 Navigation, My first lessons in, T. Lindsay P5 : 126 Nebula at M 57, E. von Gothard A3: 190 Messier 76, Miniature Dumb-Bell Pli: no discovered by E. E. Barnard Si:i35 BD + 4i°4004, Parallax of Webb's planetary A2:857 G.C. 4333, F. P. Leavenworth 86:293 4415, Error in Klein's atlas S8: 137 HV IS = NGC 6960, Photograph of, H. C. Wilson P10:432 surrounding, Nova Persei, Motion in, C. D. Perrine PIO: 9 Suspected proper motion of, L. Swift v S5: 60 Nebulae, L. Swift S4: i ; PIO: 160 Bumham's measures of planetary Al : 174 Corrections of catalogues, F. Muller S7 : 44 Curious and difficult, L. Swift S4: 174 Discoveries at Lowe observatory, L. Swift Ai:i97; P5:426; P6:i8, 400 Motions of planetary 89:403 New 53:57, 184; 54:53; 55:25; 86:83; 58:38; 510:240; Ai:247, S23, 751; A2:i89; P7:223. by photography. Annals H.C.O. P9:4r3i and old, L. Swift Al : 566 News from, C. A. Young 59 : 27 observations, F. Muller 86:361 Photographs of, A. A. Common 58: 25 by photography. Discovery and cataloguing small P9:468 Planetary, E. C. Pickering 81 : 139 5pectra of, (Magnesia fluting) G. E. Hale 8IO: 23 /. E. Keeler 810:264 and new star, E. von Gothard A2: 51 Wonderful, L. Swift Pi:249 and clusters, L. Swift PI : 369 comet seeking, L. Swift Pi: 30 nebulous stars P7:223 Nebular hypothesis, /. E. Keeler Al : 567, 768 Prof. Chamberlin on, F. R. Moulton P5:5o8 of La Place, G. W. Coakley 87: 132, 191 Nebulosities and clusters in Milky Way, Photographic, E. E. Barnard A3: 177 of the Pleiades exterior, E. E. Barnard A3 : 768 Observatory P7: 109 H. C. Wilson P7: 57 Nebulous areas of the sky, H. C. Wilson P12 :40l 100 ASTRONOMICAL PUBLICATIONS Volume and Page Nebulous, (Continued) ring, L. Swift S9! 47 Negative enlargements, W. Zimmerman P13:484, 556 Neptune, the planet, E. Holmes P16 : 9 in 184S-6, Search for, E. S. Holden Ai:287 Satellite of, F. Tisserand ASiapi satellites, Measures of ' P6:2SS Neptune's position originally computed, W. H. Pickering P14:52S New light from old records, K. Laves P14:276 Newspaper astronomy, R. M. McCreary P6: 103 Newton, Sir Isaac, Eulogy on, E. Halley P12:so4, 571 N. Y. observatory and nautical museum, W. W. Payne- ■ ■ .P14:349, 380; P15:i88 Night clouds, Request for observations of, W. Foerster and O. Jesse Ai:8S9 Non-Euclidean geometry, G. B. Halsted P7:482, 519; P8:8, 189, 267; P9: S5S; P10:26, 176. W. H. S. Monck P8:333 and astronomy, W. H. S. Monck P9:37o Noon mark. Easy way to make, E. Riggs P2: 73 Normae, Nova, E. C. Pickering A3:4o, 398 Observations of, W. IV. Campbell A3:3ii Numerical calculation, Art of, F. H. Seares P16:349 Obituary Notices — Allen, Richard Hinckley, H. S. Davis P16: 189 Argelander, A. Krueger 32 : 197, 229, 276 Bruce, Catherine Wolf, W. W. Payne P8 : 235 Callandreau, M. O., Nature P12:288 Clark, Alvan, W. W. Payne 56:250 Clark, A. G P5:i67 Clark, G. B., /. A. Brashear Al:367 Gierke, Agnes M., H. Macpherson, Jr P15 : 163 T. J. J. See P15:323 Common, Dr. A. A., H. H. Turner Pli:367 Copeland, Ralph, H. Macpherson, Jr PI4: i De la Rue, W S8:28i Ennis, Jacob S9 : i i8s Flanery, David, P. S. Yendell P8:400,' 484 Gould, Benjamin Apthorp, i". C. Chandler P4:34l, 387 A. Hall P4:337 Grant, R., R. Copeland Ai:878 Hall, Asaph, H. S. Pritchett pig: 67 Harkness, William, F. H. Bigelow Pli:28i Henry, Prosper, O. Callandreau PH ; 558 Houzeau, J. C ST^l^iS Israel, Edward, M. W. Harrington S4: 83 Janssen, P. J. C, H. Macpherson, Jr P16: 72 INDEX OF SUBJECTS loi Volume and Page Obituary notices (Continued) Keeler, James E., /. A. Brasliear Vi'^yS C. D. Perrine P8 :409 Knapp, M. W Ai:254 Kowalevski, Sophie, C. C. Barnum Al : 281 Krueger, C. N. A., Observatory P4 : 54 Langley, Samuel P., 7. A. Brashear I'li'257 Lawton, G. K., T. J. J. See P9 : 374 Loewy, Maurice, Bulletin Astronomique P16: i Loomis, Elias, H. A. Newton S9 : 241 Lyman, C. S S9 • 142, 400 Mitchel, Maria, M. W. Whitney S9: 49 Mitchel, O. M., I. G. Porter S8:442 Newton, H. A., A''. Y. Evening Post P4:236 Parkhurst, Henry M., J. A. Parkhurst P16:23l Perry, S. J., C. M. Charroppin S9 : 197 Peters, C. H. F., J. G. Porter 59:439 Pritchard, Charles, W. E. Plummer A2:592 Proctor, Richard A., C. R. Willard Pi:3i9 Rees, John Krom, H. Jacoby P16 : 639 Roberts, Isaac, W. S. Franks P12:469 Rockwell, Charles Henry, W. W: Payne P12 : 262 Rosse, Earl of, W. W. Payne P16 : 570 Rutherfurd, L. M Al : 617 I. K. Rees Ai:689 Scammon, J. Y ". S9: 188 Schimpff, R. D S8 : 91 Schoenfeld, E., A. Krueger 310:275 Simonton, Thomas D., 5". 7. Corrigan P16:466 Smyth, C. Piazzi, R. Copeland P8:384 Struve, O. W., M. Nyren P14:3S2 Tacchini, Pietro, H. Mat:pherson, Jr P13:3o6 Tempel, W., G. V. SchiaparelU 38:238, 257 Trepied, M. C, M. Loewy P15:SI9 Vogel, H. C, H. Macpherson, Jr P15:4S3 von Oppolzer, Theodor, Monthly Notices S6: 188 Watson, J. C, G. C. Comstock 57:273 Winlock, Anna, M. E. Byrd P12 : 254 Winlock, W. C, 6". P. Langley P4:3Si Wolf, Rudolf, Observatory A3 : 1 12 Young, Charles Augustus, 7. M. Poor P16:2i8 Object-glass grating, L. E. Jewell A3:44, 155 New triple achromatic, H. D. Taylor A3:696 Note A3:400 struck by lightning P2:286 Object-glasses, Care and cleaning, 7. A. Brashear P2: 9 102 ASTRONOMICAL PUBLICATIONS Volume and Page Object-glasses, (Continued) for two lenses, A. Steinheil ; S3 : 225 Putting in place and adjusting, /. A. Brashear P2: 57 Objective may lose figure P16:2S6 Construction of telescope, C. S. Hastings 81:244; S2: 39 prism, E. C. Pickering Al^igp Obliteration data corrected by least squares, H. Whitaker 59:458 from illumination, H. M. Parkhurst 87:337 Observations, Abbott's latitude and longitude, E. S. Holden Si: 64 at Mount Whitney, 5". P. Langley SI : 131 for beginners, W. W. Payne P3' 14, 121 of Chabot observatory 86:290 Rejection of discordant, A. Hall 86:297 Sudden Phenomena, S. P. Langley 88:291 (For specific observations, see subject) Observatories, Ancient and modern, W. Upton 810:481 Free public, W. W. Payne A3 : 1 10 Mountain, E. C. Pickering 82: los New, at Edinburgh A2:76i Manila A2:763 of Scotland, H. Macpherson, Jr Pls: 65 United States .' Si: 8 Popular fallacies about, M.E.Byrd 86:263 work in foreign 88:129; 84:8, 212 and observers, C. L. Doolittle Pll :467 Observatory at Amherst P10:39o Beloit 81 : 24 Instruments for SI : 69 Cape of Good Hope, H. Jacoby P3:2i7 Chamberlin 810:400 Cincinnati, O. Stone 81 : 56 Instruction for students at 81 : 23 Meridian circle at 89 : 46 Dartmouth SI : 24 Dearborn, G. W. Hough 88:341 H. A. Johnson 87:381 Dudley, Rebuilding of Ai:630 Goodsell, W. W. Payne 87:321 Greenwich, Work at, Monthly Notices 82: 74 Heidelberg A3:s86 Iowa State University, L. G. Weld 810:474 Jeypore, India, W. W. Payne Pll : 542 Kenwood physical, G. E. Hale SIO; 321 Dedicatory address, C. A. Young 810:312 Ladd, W. Upton 810:502 Dedicatory address at, W. A. Rogers 810:491 INDEX OF SUBJECTS 103 Volume and Page Observatory, (Continued) La Plata, Bulletin Astronomique S3: 116 Leander McCormick SI : 98 Lick S4:46 ; Al :628 E. S. Holden S5:22S; S7: 49 Meridian circle, G. C. Comstock SI- 65 Work at, £. 5'. Holden SI 1133; S3:30i Litchfield, endowed S4 : 202 Manila, Telescope for, J. AlguS A3: 85 McKira, W. V. Brown 84:305 Mississippi university, R. B. Fulton 810:382 National Argentine, 7. M. Thome '. A3 : 8 Paris, Elbow equatorial for 810:295 Photographic meridian telescope for P16:i93 Reflector remodelled for photographic work A2: 173 Princeton university. Construction of large telescope Si: 22 Sydney 810:523 Tashkent Si: 134 Underwood, M. D. Ewell 810:519 United States Naval Si:6i ; Ai:63o R. Copeland 88:270 Washburn, H. S. Pritchett 81: 126 Windsor, E. L. Larkin 81: 132 Yale university, Horological bureau of Si: 22 Yerkes, G. E. Hale Ai:790 An amateur's, /. H. Metcalf P14:2ii Dual, J. D. Parker P14: 96 First college in U. 8. to have, 7. L. Love 87:417 Latitude of Ann Arbor 88:334 Detroit 88:285 • Lick . : 85:302 Local patronage for, W. W. Payne 89:6s, 113, 139, 231 threatened 88:452 Locations, Expeditions for ascertaining, P. Lowell Pli: 144 Longitude at Goodsell 88:474 Mountain station, W. H. Pickering Al : 353 '•National" vs. "Naval," L. Boss SIO: 161 Need of free astronomical, F. Armitage PI : 273 Novel, C. F. Harms P12: 73 publications of U. S., listed, H. 0. Severance P15:5I7; Cor. P16: 126 and reports, (See Reviews) Observer, Requisites for transit, G. A. Hill P13:362 Observing seat for equatorial, G. W. Hough 81 : 47 Occultation phenomena, T. Lindsay P6 : 524 Occultations, 7. Morrison P5:4i7 Method of computing, C. L. Woodside 85 : 203 104 ASTRONOMICAL PUBLICATIONS Volume and Page Occtiltations, (Continued) of stars by the moon, G. W. Hough P5:4Si star clusters, Graphical computation of, W. E. Sperra P6: 76 Oceans, Stability of equilibrium, T. J. J. See P3:i78 70 Ophiuchi, S. W. Burnham A2 : 585 7. E. Gore SIO: 45 Discovery of triple, star P3:268 F 70 Ophiuchi, Discovery of unseen body, E. Doolittle P3:329 70 p Ophiuchi P14:so7 70 p Ophiuchi Nebula and smallness of ground- work stars, E. E. Barnard P5:227 T Ophiuchi, Orbit of, 5'. IV. Burnham P4: 347 U Ophiuchi, New elements Pli:4S3 Optical illusion, Curious, A. K. Bartlett P12: 123 Orbit of a body approaching the sun, G. W. Coakley Sio: 305 bodies under action of central attraction, R. W. Wood P8: 32 Graphical method for elements for parabolic, F. R. Moulton P7:i93 Orbits, — See name of body. Computation of meteoric, 5". 7. Corrigan S5: 33 parabolic SI :2i7, 247 Determination of, A. Hall P13:3S3 from 3 observations, A. O. Leuschner P13:296 of Meteors, O. C. Wendell S5:iii Orbital motion of sun and stars, E. B. Whitmore S8:332 Orientation of field of view of telescope, E. T. Whitelow P15: 22 Orion, Burnham on the Trapezium of S8S268 Great, photographic nebula of, E. E. Barnard A3".8ii ; P2: 151 W. H. Pickering S9: i L. Swift Pi: 157 H. C. Wilson Pi:433 Note 88:225 Red fringe to the A3:so4 Spectrum of, W. W. Campbell A2:927; A3: 384 E. S. Holden Si:66, 104 Mr. and Mrs. Huggins S9 : 303 Summary of monograph of, E. S. Holden S2: 77 Variable stars in, E. C. Pickering P12:332 nebulous system visible in small telescope, C. C. Hutchins 810:204 New star in Trapezium of 87 : 88 Night with, W. Noble P4:428 Orionids, — See Meteors. a Orionis, Variability of pil : 51 p Orionis (= (3 555), Companion to, R. G. Aitken P6:s8s e Orionis S7:2I7 U Orionis, Light curve of P12:i43 U Orionis, Observation of, F. E. Seagrave P12: 145 Orthographic projection of the sphere. Problem, W. F. Rigge P14:402 INDEX OF SUBJECTS los Volume and Page Oscillations of solar activity and climate P13:s76 Oval and ellipse. Eight-centered, F. R. Honey P16-6T7 Pair of ancients, C. C. Hutchins S10:2I4 Pnlissa, Discoveries of asteroids Si:23, 63, 71; 82:31, 92; S3:iS3, 181, 223; 55:151, 318; 86:231, 328; 57:169, 260; 59:182, 469. Parabolic mirrors, Corrections and testing of, F. L. O. Wadsworth P10:337 Parallax, Aberration and solar, A. Hall S2: 165 of li Cephei by Ball 51 : 67 first magnitude stars, W. L. Elkin 57 : 395 Lesson in, O. E. Harmon PI : 403 of a. Lyrae and 61 Cygni 52 : i ; 55 : 3 1 1 of O Arg. 14320, F. P. Leavenworth A2 : 206 by photography, 5tellar, C. Pritchard 57: 173 Pearsons, Dr. D. K., W. W. Payne P12:34S 37 Pegasi, Orbit of, 5'. W. Burnham A2:678 U Pegasi, Variable star 8598, P. S. Yendell P3:4oo E. C. Pickering P6: 29 Peirce to American mathematics and astronomy, 5ervices of, T. I. I. See PS: 49 Pendulum escapement, Mr. Leman A2 : 882 Persei, Nova, Antonadi, P9:4S9; JV. C. Brenke, P9:357; M. Brooks, P9: 283; A. E. Douglass, P9:263; C. Flamma- rion, P9:4S9; D. E. Hadden, P9:282, 355, G. E. Hale, P9:264; G. L. Jones, P9:573; Ladd obs., P9:22o; R. O'Halloran, P9:3S4; C. P. Olivier, PlO:s6, 274; E. C. Pickering, P9:i84; Pomona college, P9:22i; F. E. Sea- grave, P9:2i7, 283, 519; P10:47, 158; Pli: 224, 344; P12:358; Univ. Va., P9:3S6; Whitin obs., P9:22o; M. W. Whitney, P9: 574-5; M. Wolf, P9:459; H. C. Wilson, P9: 197; P10:74, 158, 331; A. S. Young, P9: 357; Yerkes obs., P9:2i8. Brightness of, H. C. Wilson P9:409 Chart and catalogue for, /. G. Hagen P9: 191, 279 Color variation of PIO: 47 Comparison stars for P10:274 Light curve of, H. C. Wilson- ■ ■PS-447, 479, 545; P10:3i, 91, 144, 199, 257, 316. Measures of P10:384 Motion of nebulae near, /. C. Kapteyn P10:i24 Nebulosity of PIO: 48 Proper moiton and parallax of P10:33o 5pectrum of, L. Becker P12:6o3 and brightness of P16:388 Triangulum and Hydrae, Novae, M. Fleming 510: 7 20 Persei (j3 524), 5". W. Burnham A2:404 io6 ASTRONOMCIAL PUBLICATIONS Volume and Page 20 Persei (/3 524), (Continued) S. Glasenapp A2:499 U Persei, a comparison star for Eros P10:378 No. 2 Nova, E. C. Pickering P9:282; P10:s46 F. E. Seagrave _• P9:283 Perseids, — See Meteors. Personal equation machine, W. W. Payne SIO: 139 Perth observatory meridian work, W. E. Cooke P15:499 Perturbations of the heavenly bodies, F. R. Moulton P6: 88 and the perturbative functions, /. Morrison P8 : 309 ; P9 : 130, 249, 436 Peters' celestial charts, B. D. Gilbert 81:288 observations treated by Chandler, F. Folie A2:874 Peters-Borst star catalogue- ••: 88:138, 455; A3:4I7; Pi:428 Phenomenon, Remarkable, F. Campbell PH :484 Suggested explanation, M. A. Veeder Pli:486 Philippine firmament, R. O'Halloran P7:2oi Phoebe in May and June, 1906, E. C. Pickering. .'. P14:so6 Phoenix, Explanation of the Egyptian, T. I. J. See Ai:4S7 Photo-electric cells, G. M. Minchin Al : 702 effect of starlight, 5". M. Dixon Al :844 W. H. S. Monck Ai:843 Photographic chart of the sky, W. F. Denning P5: 62 H. Jacoby A2:ii7; P4: S3 — Mouches 87:451 Observatory A3 : 20 W. W. Payne P12:6si H. H. Turner Pli:433 H. C. Wilson 88:379; Ai:632; A3:26o Notes, 88:284; 39:378, 428; 810:378; P4: 45; Pie: 129. committee, Work of. Observatory 88:412 conference report, 5". /. Brown P8:35S enlargement lens, 5". W. Burnham Ai:ss8 halation and its remedy Ai:236 lens, Hastings-Brashear PlO: 55 work at Columbia observatory, H. Jacoby P3:2ii Harvard, E. C. Pickering 89:328 and photometric stellar magnitudes Al :437 Photographing with a non-photographic telescope, E. E. Barnard 810:331 sky. Preparations for, H. C. Wilson 87:91 263 Photographs, Long exposure P9:4I3 Photography applied to astronomical research, E. E. Barnard P6:42S H. H. Turner P13:72, 122 Camera for celestial, 5". W. Burnham 8X0:325 Depth of definition in PI4: 184 high altitude. Celestial, H. C. Wilson P12:509 INDEX OF SUBJECTS 107 Volume and Page Photography, (Continued) Making of, C. F. Himes P8 : 26 of colors Ai:s24 of heavens, G. Boccardi P12:s2i and invisible solar prominences, G. E. Hale 810:257 and meridian observations, T. H. Safford S9: 193 Photometer for determining star magnitudes, W. E. Wilson Al : 307 meridian measurements SIO : 46 Wedge, E. C. Pickering SI : 105 (Compound), E. J. Spitta S9:i63 Photometers, Polarizing, E. C. Pickering P6 : 60 Photometric measurements in Palissa charts S4: 133 observations criticized by Dr. Chandler, Harvard A3 : 399 Photometry, Catalogues of meridian S4: 163 Harvard and Oxford, IV. H. S. Monck S7 : 92 Revised (note) P12:282 Instrumental, H. M. Parkhurst 55:230 Photographic, E. S. Holden S9: 121 Stellar, H. M. Parkhurst 84:273 Physical science. Recent advances in, W. Crookes P6:493 Piazzi stars, Nomenclature of, H. S. Davis P13:423 Piscium, Occultation of, H. A. Howe A2: 89 Planet beyond Neptune, Photographic search for, /. Roberts Ai:ss4 launching, T. C. Ryan P16 : 17 tables. Using Newcomb's, R. Buchanan P15 : 133 T. G., The new, A. C. D. Crommelin P14:472 Planet's anomaly and radius vector, K. Laves P16: 189 F. Rust Pie: 36 rotation and revolution times, G. W. Coakley 810:217 satellites. Determinations of dimensions of, E. E. Barnard P5:28s Planets, Dimensions of small, D. Todd •" A2:3I3 Early conjunction of, W. H. S. Monck P8:238 Elements of (488), (490), (492), (494) Pll :4S2 Equinoxes of, R. Buchanan P13:282 Gravity on surface of, R. W. McFarland 82: 150 inhabited? Are other, R. Challice. Pll:4i7 R. W. McFarland 82:217 D. G. Parker P10:357 D. E. Wing Pli:S36 Mean motions of the, 5. Newcomb S3 :28o Motions of, F. R. Moulton Pll :284 Photometric observations of the, E. B. Frost A2:6i9 Semi-diameter of the, R. Buchanan P13:209 Spheres of activity of, A. Hall P7:i8o F. R. Moulton P7:28i Stability of nebulous, D. Kirkwood 84: 6s io8 ASTRONOMICAL PUBLICATIONS Volume and Page Planets, (Continued) Visual brilliancy of, R. Buchanan '• P13:i75 and cyclones, W. W. Payne '• S3: 104 Planetary bodies, Law of density of 88:471 detail. Study of, T. J. J. See P4:SSo Kind of eye needed for detection of, P. Lowell P13: 92 observation, W. F. Denning Pll : 19 photography with reflecting telescope, 7. M. Schaeherle P3:28o work at Lowell observatory, A. E. Douglass F7' 74 Planetoid DQ (433) 1898, See Eros. Planetoids, — See Asteroids. discovered by Palissa, — See Palissa. Photography of, E. S. Holden P3:343 Plates by bathing. Non-screen orthochromatic and panchromatic, E. Konig P15:620 Platinum-on-glass mirrors, C. C. Hutchins A3:8s8 Pleiades, W. W. Payne Pi:4S6 Number of stars in the, E. S. Holden S3: 117 Occultation, 1894 P2:236, 334 H. C. Wilson P2: 176 Stars of, H. M. Paul S3: 161 Yale measurement of, A. M. Gierke 86:254 and two asteroids photographed, H. C. Wilson A3 : 192 ; PI : 322 Plummet bead, Path of shadow of, E. Hayes P16:279 Plus probans quam necesse est, A. Hall P7 : 13 Polar inversion of the planets and satellites, W. H. Pickering A2:692 motion, 1891-2, Six years' cycle, H. Kimura P12:27o Polaris and companion, J. H. Eadie 59:427 observations P7 : 443 Polarization of undiffracted ultra-red radiations, C. A. Perkins A2:847 Polarized reflections in Nicol's prisms, E. J. Spitta S9:266 Pole of the earth on its surface, Motion of north, W. W. Payne P14:si3 Pope and the comet, W. F. Rigge P16:48i, 656 Popocatepetl, Ascent of, A. E. Douglass P5:sos Position angle observations, F. P. Leavenworth SlO:ii6 Positions determined near plate borders, S. C. Chandler P7:286 Positive photography with reference to eclipse work, F. E. Nipher P9: 24 Potsdam measures for the astrographic chart P7:389 Precession, Auxiliary quantities A3:87; P3:437 Constant of 81:267; S3: 92 and Assyriological discoveries, Observatory P12:426 Prediction of fine seeing, D. P. Todd 85:ii3 Pressure of light. Astronomical consequences, 7. H. Poynting P15:626 Principia, Second centennial of 86:217 Prizes, Astronomical Journal, etc. — See Awards. Probability, Theory of, T. Lindsay P4:240 INDEX OF SUBJECTS 109 Volume and Page Procyon, Variable proper motion of, S. W. Burnham A3 1434 Prominence, Solar, /. B. Coit P12:4SS H. Deslandres Al : 502 Prominences, by E. E. Read, Jr., Observations of eruptive A1:33S 1891, note • • Ai:24o 1892, /. Evershed, Jr A2:36s /. F'enyi Al '• 609 1894, D. E. Hadden P2 : 45 Hypothesis regarding nature of, H. C. Wilson P10:soi and faculae, April 16, 1893, G. E. Hale A2:450 and reversal of D lines, W. E. Woods A3: 159 Pronunciation of star names P5 : 1 1 1 Proper motion of the stars, W. H. S. Monck Al:874 as criterion of distance, /. G. Porter P6:s49 and spectra of stars, W. H. S. Monck A2 : 8 motions, Table of S4: 183 Protuberance, Brilliant solar, D. E. Hadden P4:335 Protuberances, Two great, /. Fenyi A3:i22 of August, 190S P15:3I4 Publications and reports: — Astrographic observatory P9:462; P16:39i Astronomical society of the Pacific 89:429 Athens observatory Berlin observatory A2 : 281 B. A. A P12:68i ; P15:3i8 Cambridge observatory P14: 126 Cape of Good Hope observatory P8:29o; P9:4ii Cincinnati observatory S7:i20', A2: 91 Cordoba observatory SIO: 46 Dearborn observatory SI : 168 D' Abbadia observatory P15 : 125 Dominjon observatory P16: 195 Edinburgh observatory P15 : 187 Greenwich observatory P5:27S; P6:3o8; P7:39i Harvard college observatory S2:s7; S9:28i; 810:46, 153; A2:i76; A3:i7i, 586, 598; P5:226; PSiSg. Haverford college observatory Al : 540 Journal, Astronomical society, Canada P15:257 Karlsruhe observatory A2:28i Kiel observatory 'PT-442 Leander McCormick observatory 89:423 Lick observatory 87: 119 ; A3:4i6, 784 Lyons observatory A2 : 92 Melbourne observatory , S9 : 232 Morrison observatory 87:219, 266 Munich observatory P7:279 no ASTRONOMICAL PUBLICATIONS Volume and Page Publications and reports, (Continued) Nice observatory 87:40; 810:297; P5:274; P7:44i O'Gyalla observatory A2:645 Paris observatory 810:296; Ai:s40; A2:474; P5:226; P7:442 Potsdam observatory P6:366; P7:389, 442; P15:s9, 314 Poulkowa observatory A3:597 Prague observatory A2:47i R. A. 8. Memoirs 89:421 Royal Irish Academy A3: 779; P14:i24 observatory, Edinburgh 810:301 Greenwich P14:3I2; P15:i2i Solar Observatory, Mount Wilson P13:223 Stonyhurst observatory A3:3i6 Tebbutts' observatory A2:939 Toulouse observatory PIO: 168 U. S. Naval observatory 810:157; P5:soi; P14:i26, 578 science expedition 88:238, 330 Vassar college observatory P8:si8 Vatican observatory Ai:632 Wanganui observatory P14: 122 Warner observatory 86 : i ig Washburn observatory 81 : 168; P3:53S; Pli:i63, 459 Wolsingham observatory ' Ai:35o; A2:382; A3:240 Yale observatory 81:132; 88:142; P7:39l i Puppis, 8pectrum of, E. C. Pickering P9:222 Quartz fibre, C. C. Hutchins 89 : 90 Radial motion of stars with siderostat, D. Deslandres Al : 157 velocity spectrograms. Reduction of, R. H. Curtis P15: 68 of 20 stars by Frost and Adams P12:s32 2 stars, Variable P12:287 velocities of S Aquilae and Persei Pli:344 Radiant energy. Absorption of Al :823 through gaseous media, 5. /. Corrigan Ai:i, 108 Probable effects of, 6". /. Corrigan Ai:362 points of meteoric showers,^ — See Meteor Radiants. Radiation of (heated) gases, H. Crew A3:s87 R. R. Tatnall A3: 153, 859 (rarefied) by K. Angstrom line A2:647 motion of comets, Effects of P13:282 the sun, Polar, F. H. Bigelow A3: 25 Radio-activity I P13:227; P15:i26 Radium, Earth's heat caused by P13:226 Life history of P12:682 Range finder, Swasey, W. W. Payne P12:425, 450 Ratio of progression in number and light of stars P9:466 Red glows. Origin of, 5'. Bishop , 55 : 120 INDEX OF SUBJECTS in Volume and Page Red, (Continued) light, E. J. Brookings S9 : 149 H. C. Maine 85:237 stars for color eflfect in parallax work. Observations of P14:488 near Nova Velorum P16 : 63 Position of, E. S. Holden SI : 102 sunsets, /. R. Hooper S5:i26 Note on S4: 25 W. W. Payne S3: 18 Reduction of R. A.'s of normal system to fundamental, E. S. Holden Si: 46 Reflecting telescopes of large angular apertures. Failure of, J. M. Schaeberle P5:3i5 Reflector in America, W. W. Payne P8:sio Reflectors, D. W. Edgecomh P2 : 366 vs. refractors, A. B. Dupuy S8 : 88 Refraction, Cause of, H. M. Parkhurst SIO: 16 of rays of great wave-length, H. Rubens and B. W. Snow A2:23i on the measures of double stars, Effects of, E. Doolittle P5:i43 phenomenon yet unexplained, A. H. Babcock P7: 51 tables, Leo de Ball's, L. Courvoisier P15:4s6 Untried method of determining, G. A. Hill P13:4I7 in zenith distance, G. C. Comstock 89 : 186 and aberration, Constants of, G. C. Comstock 86:310 Refractive index of liquid air, Phil. Mag A3: 64 Refractor (24-inch) of Lowell observatory, T. J. J. See P4:297 Refractors of the world, List of large P6:3io, 420 Repulsive forces in nature, T. J. J. See P10:sos Reseau, Use of the, H. C. Wilson P8:s62 Resisting medium in space, A. Hall 88:433 Reversing stratum. Its spectrum and that of the corona, C. A. Young P5:333 Reviews: — Allen, R. H., Star names and their meanings (W. W. Payne) P7:427 Bailey, F. H., Primary phenomenal astronomy 85: 128 Ball, Sir R. 8., Star-Land 810:524 Barlow, G. W. C. and G. H. Bryan, Elementary mathematical astronomy. Pi: 96 Barnard, E. E., Micrometrical observations of planet Eros P12:286 Brennan, M. S., New and old astronomy S9 : 96 Bryant, W. W,. History of astronomy, (Observatory) P16: 80 Burnham, 8. W., Double star catalogue (R. G. Aitken) ■ ■■ ■ P8:228; P15:404 Double star measures, 1900 and 1901 P12:282 Micrometrical measures of 748 double stars (JV. W. Payne) S3: 88 Byrd, M. E., Laboratory manual of astronomy P7 : 1 1 1 Questions on the sky PI : 92 Campbell, W. W., Handbook of practical astronomy Ai:S44 Chamberlin and Salisbury, Geology (F. R. Moulton) P14:327 112 ASTRONOMICAL PUBLICATIONS Volume and Page Reviews, (Continued) Chambers, G. F., Descriptive astronomy 55:94; 88:272, 431 Handbook of descriptive and practical astronomy; 89:287, 383 Pictorial astronomy for general readers 810:480 Charlier's general disturbance of Thetis by Jupiter 86: 199 Clark, L., Star-Guide 86:191 Gierke, A. M., Astronomy during 19th century 85: 158 Concise knowledge library, — astronomy, (H. S. Davis) P6: 190 Herschels and modern astronomy P3: 154 History of astronomy A2:846 Modern cosmogonies, (T. I. J. See) P14:3i3 Planet Venus A2:767 System of the stars 810:158 (W. W. Payne) P14: 71 Colas, J. A., Poole Brothers celestial handbook and celestial plan- isphere A2:382 Colbert, E., Mathematical tables to 4 places and fraction 86 : 44 Tracing the fixed stars 86 : 43 Collins, C, Introduction astronomy 89:382 Comstock, G. C. Field of astronomy for beginners P16:s90 Field astronomy for engineers Pll:iii New text-book of astronomy P9:288 Cosand, J., New theory of the universe P15: 125 Czapski, 8., Theorie der optischen instrumenten nach Abbe, (H. Crew) A3:24i Davis, J. W., Theoretical astronomy 810:479 Denning, W. F., Telescopic work for starlight evenings 810:303 Doolittle, C. L., Astronomy applied to geodesy and navigation, (H. A. Howe) SS: 63 Practical astronomy 84:255 Doolittle, E., Catalogue and re-measurement of Hough double stars, (S. W. Burnham) P15:624 Hough double stars P16:330 (G. W. Hough) P16:478 Doolittle, C. L. and E., Astronomical observations of Flower obs., (T. J. J. See) P14:393 Dreyer, J. L. E., Armagh catalogue of 3,300 stars 86:283 Catalogue of nebulae, Observaotry 87: 17s (L. Szvift) 87:405 Tycho Brahe 8IO: 159 Fahie, J. J., Galileo, Life and Works, (H. A. Howe) P12: 80 Fauth, P., Moon in modern astFonomy ' P16:4So Fisher, O., Earth (G. F. Rodwell) 81:213 Flammarion, C, Copernic et Decouverte du Systeme du Monde- •• -810:524 Planet Mars A2: 90 Frisby, E., Yarnall catalogue of stars revised 88:469 INDEX OF SUBJECTS 113 Volume and Page Reviews, (Continued) Frost, E. B., Translation of Die spectralanalyse der Gestirne, (J. E. Keeler) A3:688 Gassendo, P., Lives of Tycho Brahe and Copernicus (A. J. Brooks)- -PlZIsdg Giberne, A., Radiant stars P2:288 Sun, moon and stars A2 : 67 1 Gibson, F. M., Amateur telescopist's handbook Pi: 431 Glazebrook, R. F., Light, theoretical and practical (H. Crew) A3 1402 Gore, J. E., Astronomical glossary A2:94i Catalogue of suspected variable stars S5: 160 Catalogue of variable stars S8 : 41 Planetary and stellar studies S7J4I4 Scenery of the heavens 39 : 19 1 Stellar heavens P12 : 70, 360 Studies in astronomy P12:628 Visible universe A2 : 670 Greene, D., Spherical and practical astronomy 810:478 Gregory, R. A., Planet earth P2:288 Hardy, A. S., Elements of quaternions 81:203 Heath, T. E., Our stellar universe P13:350 Hendrick, H. B., Catalogues of zodiacal stars, 1900-1902 P16:i95 Holden, E. S., Elementary astronomy P8:iio Houzeau, J. C, Bibliographie generale de 1' astronomic 89: gi Hovye, H. A., Elements of descriptive astronomy P5: 56 Study of the sky P4:i66 Huggins, W. H., Arabic names of the stars 82 : 52 Huggins, Sir W. and Lady, Representative stellar spectra, (W. W. Payne) P8:323, 365 Jones, G. W., Logarithmic tables A2:383 Jordan, W. L., Astronomical and historical chronology (R. W. McFarland) P13:ii2 Kennedy, C, Few chapters in astronomy P2:287 Kirkwood, D., Asteroids, or minor planets 8?: 95 Klein, H. J., Star atlas 88:142 Langley, S. P., New Astronomy (F. H. Brackett) 87:270 (W. W. Payne) 87:317 Lewis, Struve double stars, (S. W. Burnham) P14: 523 Lockyer, J. N., Dawn of astronomy A3:259; Pi:429 Elementary lessons in astronomy 89:192 Meteoric hypothesis 8IO: 48 Loomis, E. Y., Eclipse party in Africa, (M. Proctor) P4 = 4SS Lowell, P., Solar system Pli:464 Lynch, E., Solar and planetary physics and motion P16: 198 Lynn, W. T., Celestial motions 88:477; Pi:383 Remarkable comets PI • 383 Macpherson, H., Jr., Astronomers of to-day and their work P13:284 114 ASTRONOMICAL PUBLICATIONS Volume and Page Reviews, (Continued) Martin, M. E., Friendly stars, (P. E. Harpham) P15:384 McFarland, R. W., Era at hand P3:486 McLennon, E., Cosmical evolution Al ^847 Century of progress in astronomy P15: 61 Through the depths of space P16:523 Mitchel, F. A., O. M. Mitchel (H. A. Howe) , S7: 95 Monck, W. H. S., Introduction to stellar astronomy P9-3S9 Mouchez, Admiral, Catalogue of Paris observatory S7: 45 Moulton, F. R., Introduction to astronomy P14:44S Naegamvala, K. D., Total solar eclipse, 1898, India Pll: 161 Nasymth (Jas.) and Carpenter (Jas.) The Moon S5: 62 Newcomb and Holden, Astronomy 82:228 Norton, W. A., Astronomy •. SI : 138 Obrecht's Catalogue (G. O. lames) P16:432 Oliver, J. A. W., Astronomy for amateurs S7 : 127 Page, W. M., New light from old eclipses SlOlilo Parker, W. H., Familiar talks on astronomy S9: 190 Perry, Father, A. L. Cortie S9 1431 Peters, C. H. F., Catalogue of stars, (Utica Herald) 86:352 Pickering, W. H., Lunar and Hawaiian physical features compared. .P15: 62 Potsdam photometric Durchmusterung P15: 59 Proctor, M., Astronomical charts P9:i6s Stories of starland ^ P6:368 Proctor, R. A., Old and new astronomy S7:2i8, 312 ujompleted by A. C. Ranyard, •- (M. Proctor) A2:669 Students' atlas in 12 circular maps 88:239 Treatise on astronomy 86 : 270 Roberts, I., Collection of astronomical photographs A3 1693 Royal Obs. Belgium, Double star measures, (S. W. Burnham) P13: 15 Russell, H. C, Star camera Ai:63i Saflford, T. H., Catalogue of north polar stars 88:279 Sawyer, E. F., Catalogue of southern stars, (Salem Press) 85:299 Scheiner, Dr., Die spectralanalyse der Gestirne Ai:934 Schiaparelli, G., Astronomy in the Old Testament P14: 187 Science year book for 1905 P13 : 169 Serviss, G. P., Astronomy with an opera glass 88:336 Other worlds P10:ii2 Pleasures of the telescope, (H. A. Howe) P9:286 Sharpless, I., Astronomy 81:204 Smyth, C. P., Mean Scottish Meteorology 88:327 Smyth, W. H., Cycle of celestial objects 85: 95 Stebbins, J., Photometric observations of double stars P16:2S7 Stroobant, P., Astronomical observations and astronomers P15:579 Swift, L., Catalogue of nebulae 87: 38 INDEX OF SUBJECTS iiS Volume and Page Reviews, (Continued) Todd, D. P., New astronomy for beginners P6 : 63 Stars and telescopes, (M. Proctor) P7 : 335 Todd, M. L., Corona and coronet days VT-2yg Upton, W., Star atlas P4:4S6 von Oppolzer, E. R., Lehrbuch zur Bahnbestimmung der Kometen und Planeten S2 : 320 Warren, H. W., Recreations in astronomy S2: 195 Watts, W. M., Spectrum analysis P12:687 Webb, T. W., Celestial objects for telescopes Si: 203 common telescopes PI : 384 Sun and his phenomena S4: 160 Williams, A. S., Zenographical fragments 88:383 Willson, R. W., Laboratory astronomy P14:3I7 Winchell, A., World life (W. W. Payne) 82:312 Young, C. A., Elements of astronomy 89:95 ; P5:447 General astronomy 88:335^ Cor. 88:411 revised, (W. W. Payne) P6 :46i Lessons in astronomy P4:277 including Uranography 810:383 Manual of astronomy, (W. W. Payne) P10:394 Supplement to "The Sun" P5 : 227, 332-4 Rhea from an eclipse. Emersion of, C. A. Young 810:251 Rigel and the great nebula 89 : 425 Right ascension circle. Automatic, L. Swift 88:349 Rings, Process of disintegration, R. Hooke A2 : 766 M. W. Meyer A2:407, Cor. A2:765 Rittenhouse, D., H. S. Davis P4: i Rock salt for optical purposes, J. A. Brashear SS: 149 /. E. Keeler 86:222 Note A3 : 240 Rodger, John, Death of Si: 98 Roemer, O., Historical sketch of, T. J. J. See Pll : 226, 461 Rotation of earth on its axis. Evidence of P14: 183 of Venus and Mercury, 5. C. Chandler P4:393 T. J. J. See P4:533 time 3 function of density, 6". /. Corrigan 88:210 Rowland's concave gratings. Astigmatism of, /. L. Sirks A3: 763 Asymmetry in, /. R. Rydberg A2:439 diffraction gratings, Ives replicas P13 : 228 Rutherford photographs, F. E, Harpham P8 : 129 Sagittarii, Nova, E. C. Pickering P7:277, 504 {■ Sagittarii, Orbit of, R. G. Aitken- ■■■ P9: 57 T. I. I. See :...A2:sio San Miguel mountain as an observatory site P13 : 529 Satellites, Announcing discoveries of, JV. W. Campbell P14:i3S, 252 ii6 ASTRONOMICAL PUBLICATIONS Volume and Page Satellites, (Continued) Announcing discoveries of, A. C. D. Crommelin P14: 147, 380 C. D. Perrine P14: 135, 252 Discoveries by Americans, W. W. Payne P13: 120 Ephemerides of, 7. Morrison P6 : 165 Measurable disks of, T. J. I. See P9:47i Saturn, W. IV. Payne S3 : loi H. C. Wilson S5: s8 Drawing by H. Pratt of, E. S. Holden 53:249 Equatorial diameter of, P. E. Seagrave PIO: 54' Five views of, C. B. Hill S7 : 122 Hints to observers of, B. J. Hopkins S4: 49 Markings and rotation period of, W. P. Denning P12: 40 Observations of, 7. A. Brashear 88: 188 7. E. Keeler S7: 79 E. L. Trouvelot 810:74, 119, 171 Occultation of 1900, R. O'Halloran P8:399 M. Moye P8:40i P. E. Seagrave P8 :407 T. D. Simonton P8 :404 Rotation period of, H. C. Wilson Pli:443 Spectroscopic observations of, 7. E. Keeler P2:443 Tores of, P. Lowell P16:i33, 394 Transparency of crape ring of, E. E. Barnard Ai: 119 White spot on. Notes S8: 189, 190, 191, 236 E. E. Barnard Pll :4o8 Saturn's ring, White region of, W. R. Brooks 88:233 rings, G. C. Comstock 810:468 M. E. L. Trouvelot 84: 78 H. C. Wilson '. A3:26o Disappearance of, C. Burckhalter P16: 127 Ephemeris of, 7. Morrison P6 : 389 Galileo's work on, E. A. Partridge and H. C. Whitaker P3:4o8 Measures of, P. E. Seagrave Pll : 145; P12:i3i Note on 810: 45 Reversed curvature of shadow of, A. Jenks 89:255 Stability of, G. W. Coakley 88:3, 67 satellite IX, Phoebe P14:640 satellites 82:194; 86:297; P12:4g9 IX and X, W. H. Pickering PI4: 17 E. S. Holden 88: i E. C. Pickering P7:22i, 233 W. H. Pickering Ai:649 Saturn and t; Geminorum 85: 123 Uranus observations with 36-inch, E. E. Barnard A3: 557 Saturnian ball and ring system, E. E. Barnard P2:295 INDEX OF SBUJECTS 117 Volume and Page Saturnian, (Continued) system, D. G. Parker P12:40S Scales of seeing, A. E. Douglass - P6:i93 School of practical astronomy, £. S. Holden S4: 116 Science by co-operation, T. Lindsay P4: 84 Recent advances in, W. Crookes P7 : 3 Scientific progress during igth C, KnoK'ledge Year Book PS'Qi, 128 Scintillation of the fixed stars, T. J. J. See P5:463 (3' and /S", Scorpii, Occultation, 1883 of, W. H. Numsen S2: 91 ■q Scorpii, Spectroscopic binary, ■£. C. Pickering P4:273 R and S Scorpii, R. O'Halloran P4:27S ; Cor. P4:33i Seismic motion and other phenomena, F. Omori P14:s43 Sensitiveness in dry plates, Change of, W. W. Campbell A2:86o G. W. Hougk A3: 153 Sensitometry, Studies in P15:3i9 Sextant, Adjustment of, G. C. Comstock S7: 129 /. M. Schaeberle 37:223 Determining eccentricity of, C. C. Hutchins Pll :3S3 Shadow-bands, E. Holmes P14:3i9; PI5: 77 Shooting stars and aerolites, JV. F. Denning Ai:48i Cometary, H. A. Newton A3: ig6 Double, L. Swift 38:454 Physics of, 7. F. Lanneau P13:434 Sidereal day, /. Morrison P15: 12 heavens, Growth and magnitude of, W. H. Laimaster P3:226 system. Center of, 7. Ennis S2 : 1 13 universe, Structure of, T. W. Backhouse 59:337 Silvering glass mirrors, C. H. Chandler A2: 93 A. A. Common A1:8S2 Sirian and solar stars, W. H. S. Monck Al : 89 Sirius, N. M. Mann S2: 136 in ancient times, T. 7. See P2 : 193 Color of, W. T. Lynn Al : 634 Companion to, A. Hall S3: 179 M. McNeill S5:i82 Orbit of P12:5oi T. I. J. See A3: 82 History of color of, W. H. Pickering Cor. Al:640 T. J. J. See Ai:269, 372, 550 Observations S2 : 126 Orbit of, N. M. Mann P4:482 ; P7:443 Spectrum of, W. Huggins S9:3i8 System of, N. M. Mann S7 :2s. Cor. S7 : 94 Sky, Apparent figure of, F. Schlesinger P7 : 1 17 Color of, W. W. Payne P14: 5 at high altitudes, Blueness of, E. E. Barnard A2:750 ii8 ASTRONOMICAL PUBLICATIONS Volume and Page Sky, (Continued) from Pike's Peak A3: 150 travellers, Four little, E. E. Barnard P3 : 143 Slough, Visit to, D. W. Edgecomb S9: 52 Solar, See also Chromosphere, Corona, Eclipse, Prominence. Solar activity, 1888. S8:267 L. G. Leon P12: 66 apex, T. C Ryan P15:20S, 336 atmosphere, Brester's views of tranquility of, A. Brester, Jr A3:849 Heat in the, W. E. Wilson Al : 49 New researches on, H. Deslandres Ai:6o, 314 Thermal absorption in, E. B. Frost Al : 720 constant by S. P. Langley Si:27i Recent studies in, H. I. Co'x P13: 147 contraction, Helmholtz's theory of, E. Doolittle P3: 21 Corona, Mechanical theory, /. M. Schaeberle S9:2i4 April, 1893, /. M. Schaeberle A2: 7 of eclipse, Predictions of, F. H. Bigelow A2: 97 cycle, R. W. McFarland • S8:3S3 Details of the recent, R. O'Halloran P12: 27 cyclones, R. O'Halloran P7"33i diameter, Variation of, O. T. Sherman Al:si3 disturbances, June 17, 1891, H. H. Turner- Ai: 67 July IS, 1892, G. E. Hale Ai:6ii H. C. Lord Al:738 /. 5'. Townsend Al:8iS' and terrestrial phenomena, G. E. Hale A2'- 167 W. W. Payne Pli:374 T. S. H. Shearman S10:279 W. Sidgreaves Al ^817 M. A. Veeder S10:38i energy. Selective absorption of, 5". P. Langley S2: 59 Source and maintenance of, /. Morrison P10!4O9 eruption . . . ., S3: 185 halo and mock suns, J. M. Boraston- • Ai:S22 heat and gravitation, E. S. Crawley ■ S7 : 325 J. K. Kedzie^ 87:438 W. H. S. Monck 57:440 hemisphere, Relative activity in, E. B. Frost S9: 109 image reflected in seas of Mars, /. R. Holt A3:2S7 motion. Determination of, M. W. Whitney P12:226, 311 Problem of, T. H: Saiford A2: I M. W. Whitney P5:309 observations, C. A. Bacon- ..;....;; S9:i82 D. E. Haddcn, 810:38; P7:4o8; P8:222; P10:2S4, 348; Pli:488; P13:i96; P14:6o3; P15:6o7. INDEX OF SUBJECTS 119 Volume and Page Solar, (Continued) observations, P. Tacchini- ■ ■Al-214, 520, 608; A2'-3g; A3:244, 312, 503, 588 observatory. Mount Wilson, G. E. Hale P15:563 W. W.Payne P14:3i2; P15:i2i parallax, H. C. Wilson Al : 95 from observations of Eros, 5". /. Brown P8-353 Probable value of, T. J. J. See Pli:46o by spectroscopic observations of Venus, K. Burns P15:ss6 phenomena. Associate, M. A. Veeder S9-279 Distribution in latitude of, P. Tacchini- -Al'. 134, 424, 711; A2:262, 425 Photographs of, G. E. Hale Ai:6o3 photography at Kenwood observatory, G. E. Hale Ai:407 physics. Contributions to, E. R. von Oppolzer A2."736 Problems of, A. L. Cortie PI5: 173 prominences, H. C. Wilson 87:304 Distribution of, (1891), /. Evershed, Jr Ai:426 Effect of light on spectrum of, M. Fizeau Al : 126 with grating spectroscope, How to see, E. E. Read, Jr 810:369 Measurement of, H. Crew Al : 90 Notes 89: 182, 229, 278, 325, 374, 417 ; 810:39, 95, 149 /. Fenyi A2 : 37 A. F. Miller Ai:6i4 W. Sidgreaves Al : 66 E. L. Trouvelot Al : 124 photography, /. Evershed, Jr Ai:827 Results in, G. E. Hale Ai: 70 Spectrum of, G. E. Hale Ai:so, 602, 618, 821 Velocity of, /. Fenyi Al : 63 research, Yerkes expedition for P12 : 503 spectrum, A. L. Cortie ' Al : 393 Group B of 83:280 Higg's map of, G. E. Hale A3: 151 Normal, H. A. Rowland 85 : 85 Rowland's maps of 88: 140 Scales of intensity for lines of, L. E. Jewell A2:8iS Studies on, A. L. Cortie Al : 393 spots and faculae, W. Sidgreaves Ai:2i2 statistics in 1892, R. Wolf A2:263 surface. Recent studies in, R. O'Halloran P16:484 system. Development of, D. Kirkwood A2:594 Electric phenomena in, J. Ennis 85:234 Goldschmidt's law applied to, W. H. Hobbs P15:345 Magnitude of, W. Harkness A3:6os Mechanics of 89 : 186 Motion of, /. G. Porter Al : 764 (Potsdam observations) A2:s63 120 ASTRONOMICAL PUBLICATIONS Volume and Page Solar, (Continued) system vortices, W. W. Payne P16: 555 and auroral coincidence, 5". P. Langley SI : 55 Solution for n P6:36i Sound velocity, 5". Goodenow 88:307, 382 Southern zones, Dr. Gould, E. S. Holden Si: 44 Space infinite? Is star strewn, A. M. Clerke P4:43i Specter of the Brocken, /. M. Schaeberle SIO: 136 Spectra, — See name of object. of alkalies, Ultra-red in stellar, E. C. Pickering A2: 73 binary stars, W. H. S. Monck Al : 326 comets b and c 1893, W. W. Campbell A3:s7i influenced by slit-width, H. Kayser A3: 367, 399, 505 Nature of, H. Kayser A3:s86 copper salts. Absorption A2:846 Distribution of energy in stellar, E. C. Pickering Al: 22 elements, Work of Kayser and Runge, /. 6". Ames A2:226 W. N. Hartley Ai:223 Kayser and Runge A2:8o2 C. Runge Al :496 ; A3: 128 C. A. Young P5 : 332 flames, G. D. Liveing and J. Dewar , Ai:2is at high temperature A2:647 of metallic compounds, G. D. Liveing and /. Dewar A2:434 gallium, Electric Al : 520 lightning 88:295 ; 810:378 metallic films Al : 528 metals. Infra-red, E. P. Lewis, E. S. Ferry A3 : 747 Mapping the, H. Crew and R. Tatnall A3:74i by Professor Hasselberg A3:s8s new stars, H. Ebert P12:239 Orion nebula and stars, W. W. Campbell A3: 494, 695 /. E. Keeler A3:476 stars of large proper motion, /. E. Gore Al: 11 Milky Way, /. E. Gore Ai:326 having peculiar, M. Fleming Ai:27, 418, 765; A2:i7o, 546, 810; A3:soi E. C. Pickering P5 : 52 Suitable nights for observing planetary, W. W. Campbell .A3: 860 sun and Nova Aurigae compared, H. Deslandres Ai:7l2 metals compared photographically Ai:336 sun-spots, A. L. Cortie Ai:s87 Photography of, C. A. Young A2:64g and chromosphere Ai:6i3 photosphere Ai:24i proper motions of stars, W. H. S. Monck Ai:389, 700; A2:si3 Spectral lines. Intensity of, E. C. Pickering Pli:384 INDEX OF SUBJECTS 121 Volume and Page Spectrograph, Potsdam, E. B. Frost A2: 150 Spectroheliograph, G. E. Hale A2:24i of modern observatory P13:s2S for Yerkes telescope, G. E. Hale A3: 64 Spectroscope, Adjustment of, C. A. Young P5:3i8 Combination of prisms for stellar, H. F. Newall A3: 309 for small telescopes, D. E. Hadden P3:84, 152 ; P12:2S2 E. T. Whitelow P12:363 in astronomy, T. Reed P2:266,297, 402 ; P3: 141 eclipse work, E. W. Maunder P6:376 recent chemistry, R. A. Gregory P3 : 70 studying solar prominences, W. Sidgreaves Al : 136 variable stars, T. Reed P3:333 of Halsted observatory, C. A. Young Al : 292 Lick observatory, /. E. Keeler Ai: 140 Modern, 7. ^ Ames Ai: 28 Allegheny observatory, J. E. Keeler A2: 40 Edinburgh observatory, L. Becker A2:S42 Tulse Hill, A. Huggins A2:6is Use of, E. J. Wall P14:336 and some of its applications, J. E. Keeler — I Principles involved in construction Pi: 9 II Wave-length scale and solar spectrum PI : 102 III Practical details of adjustment and use Pl:i69, 200 IV Spectra of elements P2 : 20 Spectroscopes, Efficiency of, I. E. Keeler 810:433 Fixed-arm, F. L. O. Wadsworth A3:835 Spectroscopic binaries, — See Double Stars, Binary Stars, and Names of Stars. 1) Pegasi, Orbit of P9 : 521 in Puppis, B. C. Pickering P4:39o Orbits and velocity curves of, /. M. Barr P16:2S9 Velocity curves of P15 : 644 determinations, G. J. Stoney Ai:g3S investigations at Swedish academy, B. Hasselberg Ai:793 of Mr. Higgs, G. E. Hale A3:isi measurements. Interference methods applied to, A. A. Michelson Al:884 observations on Mount Blanc, M. Janssen's A2:84S Reduction of, W. W. Campbell Al : 319 properties of dust SIO : 9 Spectroscopy, Pending problems, G. E. Hale SIO: 89 at Stonyhurst, G. E. Hale A3: 58 of sulphur, B. Hasselberg A2: 347 Spectrum of the aurora. Photographic, E. C. Pickering P6:309 chromosphere, C. A. Young Ai: 59 D, line in A3:s8s comet a 1892, (Swift), W. W. Campbell Ai:S23, 698 122 ASTRONOMICAL PUBLICATIONS Volume and Page Spectrum of, (Continued) comet b 1892 (Holmes), /. E. Keeler Ai:929 a HercuUs, T. E. Espin : A3:6si hydrogen. Investigations of Ai:i6o; ASt'-iyi Schumann's Investigations of AZ: 171, 365 lightning, E. C. Pickering PIO: 104 liquid oxygen, G. B. Liveing and /. Dewar ,.:... . Ai:7o5 lines caused by change of pressure, C. A. Young P5:334 |8 Lyrae, J. N. Lockyer A3: 575 E. C. Pickering A1:2S ; A3:s84 magnesium arc P3:2i3 Mars, W. Muggins A3:77i a meteor, E. C. Pickering P5 1442 nebula SD — i2°ii72 A3:iS9 nebulae, Wave-lengths in, /. E. Keeler A2:733 Nova Aurigae, W. W. Campbell Al:s29, 799 H. Crew Ai:23i Orion nebula, W. W. Ccmipbell A3:695 W. Muggins A3: 568 7. N. Lockyer A3:574 oxygen line, J. S. Ames A3:505 B. Masselberg A3:76o stars of 1st and 2d types, E. W. Maunder Al : 145 W. H. S. Monck Ai:437 sulphur, I. S. Ames A2: 50 sun in eclipse, 1893, T. Reed Ai:926 Langley's investigation of Si: 62 sun-sppts, 1892, M. Crew Al : 308 G. E. Hale Al: 159, 310 Invisible P3:2IS Limit of light in, W. Muggins S9: 22 New, 5". P. Langley P9:4iS photography. Short focus camera advantage in, /. E. Keeler. .. .AZ:yy2, 857 Stellar, W. de IV. Abney A2:273 rays. Limits of visibility of Ai:296 Speculum, New paraboloid, E. M. Tydeman P5:559 Story of a, A. W. Quimby P5 : 26 Sphere into congruent parts. Subdividing, M. C. Goddard P10:4o6 Spiral nebulae. Significance of, T. J. J. See P14:6i4 Squares of consecutive numbers. Rule for, P. Mall P9: 161 Standard scale for telescopic observation, P. Lowell Pli:34, 218 IV. M. Pickering Pli:ii3 Standard time. Progress in, Si:i6, 41, 43, 180, 184; S4:88, 125; S5:i2o; 88:452; 59:57, 113. 139, 231, 331, 470; 310:46, 151, 157. in U. S., Sources of, R. G. Aitken P9: 12 Standards for astronomical and physical instruments, 7. A. Brashear S7: 77 INDEX OF SUBJECTS 123 Volume and Page Standardizing photograpliic films, F. H. Bigelow 810:385 Star of 1572, New S4: 81 A.G.C. 6886 having large power motion, E. C. Pickering P13:503 O.Arg.S 15,292, Magnitude of, E. C. Holden SI : 199 of Bethlehem, /. T. Ellis 86:360 /. Morrison Pll : 88, 122 W. W. Payne 84: no; 86:265 /. G. Porter A2: 6 L. Swift A2: los A blazing, Chicago Tribune 85:269 catalogues : Colored stars A2 : 925 Common system of, W. A. Rogers A2: 169, 204 compared 88:246 corrected 86 : 296 Lalande's catalogue, E. S. Holden 81 : 198 New general catalogue, G. F. Chambers 89 : 203 T. H. SafFord 82: 88 Perth catalogue of 420 standard stars, W. E. Cooke P16:i92 Peters-Borst catalogue 88 : 138, 456 Photographic catalogue of north polar stars, C. E. Furness P9: i Southern stars (3415) A2:473 clusters, R. Sprague Pi:407 colors, 7. H. Eadie 87:219 dust, /. K. McBroom Pli:544 D. E. Wing Pli:48i Lacaille 4955, Proper motion of, E. S. Holden 81: 199 names from Arabic, Pronunciation of, R. H. West P2:209 New nebulous 85: 154 preceding j3 Capricorni S3 : 120-1 Relation between color and age of a, W. M. Pearson 89:297 shower, Approaching, L. Swift P7 : 41 5 studies with opera-glass, W. W. Payne S3: 51 systems, Life history of, H. L. Clarke P3:489 temperature. Magnesium spectrum an index of, 7. E. Keeler A3: 660 Yarnall, 3106, Observations of, E. S. Holden 81 : 169 Star's image in field of a parabolic reflecting telescope, 7. M. Schaeberlc ■ .P6: 33 position, from photograph. To obtain, C. D. Perrine P15:259 Stars — See also Binaries, Double Stars, Spectroscopic Binaries, Variables, and star Names. Age of the, M. Tanssen ■ ■ 87 : 202 T. J. J. See P6:36i H. C. Wilson 87: 173 Among the, E. S. Holden P8:s3i with annual motion of i" and over, 7. G. Porter P8:382 in Coma Berenices, W. C. Krets P9 : 75 124 ASTRONOMICAL PUBLICATIONS Volume and Page Stars, (Continued) Constitution of the, E. C. Pickering A2:7i8 Distances of the, D. Gill S3:2i6 W. W. Payne PI: 129 fixed, /. M. Schaeberle P15:4i2 Note on Si: 161; P15:5i7, 583 Distribution of the, A. M. Gierke A2:sis H. Macpherson, Jr P15:4oo W. H. S. Monck, S4:s6; S7:20, 73, 105, 236; SIO: 409, 453- Doppler's principle of distances of the A2:472 Explosion of, A. W. Bickerton P12:666 Evenings with, M. Proctor P4:32i, 374, 436, 515, 562 Fixed, W. H. S. Monck, PI :19s, 300, 385; P2:6o, 108; P3:62; P4: 259; P5:467. Images of, A. Hall S5 : 97 with large proper motions, /. G. Porter S4: 188 in line of sight. Motion of P14:3i6 Missing, + 4°3SSS P5:2i8 + 7°Sio6 P5:22o + 46°30i9 P5:2I9 BD + I7°344 P13:27S BD + 37°85S P13:27S near north pole, W. W. Payne P12:26s Pleiades, Number and distribution of, H. C. Wilson P15:i93 Nearer to the, E. E. Barnard P2:24S in northern hemisphere, H. Seeliger S4 : 33 Number of the, G. I. Burns P12:267 W. Gibson P14:s94 Occultations of, by dark limb of moon S6: 162 with an opera-glass, G. P. Serviss 810:244 Parallax of the, W. H. S. Monck S8: 62 Parallaxes of southern, E. S. Holden Si: 133 that periodically glow and fade, R. O'Halloran Pli:294 Photographs of faint, E. C. Pickering P15 : 171 Proper motion of, W. H. S. Monck Ai:2S3 Relative brightness of P13:283 Schaeberle on distances of fixed P15 : 583 Searching for new, T. D. Anderson P10:246 Shooting, W. F. Denning 1. General remarks Pi: 34 2. Preliminaries of observation Pi : 67 3. Radiation and radiant points PI : 97 4. Observation of meteors PI : 147 5. Radiation and duration of meteor showers Pi:2o8 The August Perseids Pi: 267; Cor. Pi: 333 INDEX OF SUBJECTS 125 Volume and Page Stars, (Continued) Shooting, showers of Leonids Pi:296 Andromedes of Biela's comet PI : 345 Fireballs PI 1438 Size of, W. W. Payne P14: 164 Southern zone S3 : 153 Sparsity of the, J. F. Lanneau P15: 390 Spectra and proper motions of, JV. H. S. Monck A2:8ii Systematic motions of the P15 : 122 Temporary, H. M. Parkhurst S6: 118 Time, E. S. Holden SI : 124 Variability of red, E. S' Holden SI : 134 visible at Lowell observatory. Chart of, P. Lowell P13:39i and the galaxy. Systematic, W. H. S. Monck P14:4i9 Milky Way, M. E. Byrd P6:288 planet finder, Barrett-Serviss' P14:444 Star-correction machine, D. T. Wilson PIO: 82 Star-ratio, Significance of, G. C. Comstock P15 : 131 Star-streaming by A. R. Hinks P14:3is Starlight, Brightness of, J. E. Gore P9:So6; P10:227 Shadows cast by, H. N. Russell P10:242 Starry heavens. Extent of, W. W. Payne Pli:4li Stellae novae, H. S. Davis P9:284 Stellar astronomy. Aims of, T. J. J. See P5 : 194 bands in zodiac from Gemini to Scorpio, A. E. Douglass P5:sii characters, Correlation of P16 : 392 evolution, Duner and Scheiner, Vierteljahrschrift P6'- 85 floor, E. L. Larkin P10:2S2 magnitudes by photographs, E. S. Holden S9: 12 Standards of. Committee report S4:20, 43 E. C. Pickering S4:24; P15:303 motion. Mean speed of Pll:222 and velocity of wave propagation, L. d' Auria Pll:2S4 nature of ether, L. d' Auria Pll : 254 motions, Photographic determination of, E. C. Pickering A3:52i parallax, C. W. Pritchard S8: 93 parallaxes. Table of, H. Sadler S9 1 342 photography, M. Wolf A2:622 E. E. Barnard S6 : 58 criticized, Harvard plans for S8 : 377 photometer A2 : 563 photometry, H. M. Parkhurst A3:6S2 C. M. Smith P5 : 1 17 Note on A2:646 places determined by photographic method, F. H. Bigelow Al : 42 rotation. Spectroscopic determination of, /. R. Holt A2:646 126 ASTRONOMICAL PUBLICATIONS Volume and Page Stellar, (Continued) scintillation, Theory of, Lord Rayleigh A2:834, 921 spectra, Notes on A3: 158 Lockyer's researches on, 7. E. Keeler- A3! 59 studied photographically 86:222 ; 88:228 systems, Absolute dimensions of, H. C. Wilson P3:2i6 origin oi,T. J. J. See SIO: 179 Researches in evolution of, 6". W. Burnham Vi'-^yi types. Distribution of, 7. M. Boraston A2: 57 Stereoscope applied to astronomical researches, G. Van Biesbroeck P12:3i8 Stone, Ormond, F. P. Matz P3:452 Strassburg observatory of royal university, H. C. Wilson P5:i7i Struve double stars. Observations of, W. J. Hussey P7: 153 Struve's testing of his Clark objective S2:i24 Sun Si: IS Apparent size of, C. H. Chandler P7'342 Constitution of SI : 9 W. Sidgreaves A2:826 C. A. Young P12:22i Distance and constitution of, W. W. Payne S7 : 100 Effective temperature of, W. E. Wilson and P. L. Gray A3: 382 in high altitudes. Study of SI : 193 Is there oxygen in atmosphere of? N. C. Duner A3:2I5 January, 1904, L. G. Leon P12:284 as a magnetized sphere, F. H. Bigelow P14:37, 463 observations at Syracuse university, E. D. Roe, Jr P16: 127 Photograph of, H. C. Wilson P8: 94 Photographic study of, G. E. Hale Ai:8ii Photographing, W. W. Payne P2:ii6 flocculi of P14:3ii Photography and figure of the, W. W. Payne P13:47S Present knowledge of, W. W. Payne ' P12:293 measurements of distance of P15:385 Spectroscopic observations for parallax of. Observatory Pli:2i9 Stellar magnitude of, W. Ceraski P14:226 Studying corona of, H. H. Turner P14:S48 Temperature of, H. LeChatelier Ai:5i7 Theory of, A. Brester, Jr A2:9I4; A3:2i8 7. lanssen A3:238 Transit circle observations 88:470 a variable star P14:447 "Sun," Supplemental notes to Professor C. A. Young P5:277, 332 Sun's atmosphere, Brester's views on, E. von Oppolser A3: 581 chromosphere, 5". 7. Perry S4 : 51 distance from observing Eros, W. W. Campbell P9: 88 H. C. Wilson PI2: 149 INDEX OF SUBJECTS 127 and Page Volume Sun's, (Continued) Corona, Electro-magnetic theory of, H. Ebert A2:8o4 M. I. Puppin A2"Q28 Diameter, Variation of A3: 183 Effect on terrestrial magnetism, Lord Kelvin AZ: 74 equatorial acceleration, E. J. Wilczynski P6:209 C. A. Young P5:335 heat, W. H. S. Monck A3:823 A. S. Young P6:i4S Source of, 7. F. Lanneau P14:4io and radium, R. I. Strutt P12: 75 motion referred to group of fainter stars, G. C. Comstock P12:ii2; PlS^ipo in space and fixed stars, W. H. S. Monck P16:23g photosphere. Nature of A2:g26 rotation determined by faculae, A. Belopolsky A2:632, 637 Dr. Wilsing A2 : 6.^5 surface (1892) and terrestrial magnetism. G. E. Hale Al^giy W. W. Payne 87:225 Sun and his system, N. Lockyer P9: 123 moon, First observations of, M. E. Byrd Pi:2i6, 252 near horizon. Apparent enlargement of, T. J. J. See P8:362 Nova Aurigae compared spectroscopically, H. Deslandres Al:7i2 stars in space, W. S. Monck P10:3O7 Venus, Diameters of, H. C. Wilson Al : 95 Sun-dials and Ahaz, H. S. Davis P7 : 102 I. H. Earp P7:i67 B. S. Easton P7 : 242, 277 R. M. McCreary P7:i67 R. R. McLeod P7:io8 /. Morrison P6'537; P7:i02-3, 368 5". A. Saunders P7 : 206, 444 L. Swift P7:si, 167; P10:278 Sun-spot, Area and position of great Ai:33S cycles compared with Scottish meteorology, C. P. Smyth S8 : 385 mjiximum, J. F. Lanneau P12: 6y of 190S, R. O'Halloran P14:368 mimimum, R. O'Halloran P6:479 observations: E. Brown, Al:925, A2:74; E. B. Frost, 88:183; D. E. Hadden, Pli:56o; R. O'Halloran, P4:s7o, P7:278, P9:4i2, Pli:S79; H. C. Wilson, Ai:248, P2:49. at Goodsell observatory, 88:230, 280, 325, 418, 468; 810:37, 102, 150; as: 293. Meudon observatory, by M. J. Janssen Al : 334 Mount Holyoke observatory, 810:37; 1900-01, P10:i67; 1902-3, P12:2i4; 1904, P13:i68; 1905, P14:iii; 1906, P15:i27; 1907, Pie: 188. 128 ASTRONOMICAL PUBLICATIONS Volume and Page Sun-spot observations at, (Continued) Smith observatory. .S9: 137, 182, 230, 278, 375, 417, 467; 510:36, 103 in 1885, R. H. Ferguson 84:238, 261 1891, A. L. Cortie Ai:i30 /. Fenyi Al :430 1903, /. F. Lanneau Pll : 372 L. G. Leon P12:2i6 190S, Th. Moreux P13: 168, 194 1907, E. D. Roe, Jr P15:447 periods, Maxima and minima of, ^. Hirayama ■ • • .P15:i88 positions measured by Stonyhurst disks, A. L. Cortie P16:426 Recent cyclonic, R. O'Halloran P7:278 spectra Al : 162 photographed A2 : 171 variation in latitude, E. W. Maunder P12:6i6 zones, Spoerer's law of Pli:407 and its influence Al : 527 Sun-spots, Cyclone theory of, F. H. Collins Ai:826 Formation of, /. R. Hooper 87:397 Level of, W. M. Mitchell P13:392 note PI5: 187 in line of sight. Motion of vapors in P15:3ig Mechanical causes of, /. M. Schaeberle A3:278 Naked eye, W. E. Wilson 88:322 Notes on, R. E. Bruce PlS: 82 Number of, W. Dawson S3 : 171 Origin of, E. von Oppolzer A2:4i9 numbers of. Revision of Wolf's, A. Wolfer P10:449 Thermal radiation from, W. E. Wilson A3:378 as vortex rings, F. H. Bigelow • S6: 139 and aurorae, Periodicity common to ^ Al : 526 Relation between, M. A. Veeder Ai:434 magnetic storms Ai:3i6, 499, 527 F. H. Hesse Ai:6is A. Ricco A2: 33 their theories, W. T. Lynn P14: 90 Sunrise phenomenon, L. G. Leon P10:SS7 Sunset at sea, E. D. Roe, Jr P14 : 444 glow, 7. R. Hooper 84: 178 Sunsets, Red, W. W. Payne 82:293 Superstructure, M. B. Cutler 86:267 Surface markings of celestial objects, Methods of delineating, F. L. O. Wadsworth P5:200 Swasey. Ambrose. 7. A. Brashear P7:34S Swift's, Lewis, medals. Description of, L. Szi'ift P9:5os and honors, W. W. Payne P5: 96 INDEX OF SUBJECTS 129 "Volume and Page Symbols, Uniformity of mathematical, A. E. Haynes P8: 56 Syrtis Major, Markings in, P. Lowell P4:289 System of — Cancri, S. W. Burnham A2:872 Systems of Galileo, Ptolemaic and Copernican, C. C. Hutchins P12:442 Tablets of Nippur, Mathematical, D. E. Smith P15:366 Tangent index, 7. Haywood 85:270 a Tauri, Occultations of 56:45, 194 u, Tauri, I. G. Porter 34: 187 ^ Tauri, T. C. H. Bouton P16 : 254 Taurus, Convergent of moving cluster in, L. Boss P16:s66 Telescope aids ordinary vision, How the, W. W. Payne P3: 81 Bruce photographic, E. C. Pickering 88:304; P4:s3i Buildings, Balance roof of, A. E. Douglass A2:207, 400 C. A. Post P2: 88 Care of the, P. M. Gibson P2:4I2 W. IV. Payne P13:5o6 Clock-vifork of, 87:259 Efficiency of a small, G. C. Comstock 810:406 Equatorial, H. M. Parkhurst 87: 38 Five-inch, G. P. Serviss PI : 372 for Amherst, Large refracting, W. W. Payne Pli: 22 eclipse observations. Mounting for, P. H. Bigelow Ai:257 Goodsell observatory, Williams equatorial 810:354 Greenwich observatory A3: 317 Halsted observatory, C. A. Young 81:131 Harvard, Mounting the 60-inch, Chicago Record-Herald P14: 142 E. C. Pickering P13:7o, 106 Lehigh university 81: 71 Lick observatory, 36-inch, E. S. H olden 87:296 Nature 81 : 99 W. W. Payne 89: 97 Potsdam, Photographic A3: 81 E. L. Schafer Si: 71 Lewis Swift 81 : 268 Yerkes 89:422 in high schools, Small, W. W. Payne Pli:429, 491 ; P12:546, 608 Hints for small, P. E. Harpham P2 : 106 History of the C. S. Hastings 810:335 International southern, P14:639 Invention of, D. W. Edgecomb P7 : 184 Large southern, E. C. Pickering Al : 783 lenses, Construction of, C. Faulhaber P13:534 mirror, Polishing and grinding, G. S. Jones 89:353 mountings and domes, W. H. Pickering A3: i New form of, E. M. Tydeman P8:464 Observations with a small, C. W. Carlisle P12:328 130 ASTRONOMICAL PUBLICATIONS Volume and Page Telescope, (Continued) song, Herschellian, E. S. Holden S3 : 85 with spectroscope small, D. E. Hadden Pi:478 Three-inch, W. Strong P13:203 Twenty-four inch, E. C. Pickering P13:224 Vogel's opinion of Vienna S4: 29 Telescopes, American, D. Todd 87:412 Future, A. G. Clark A2: 189, 673 Good astronomical, H. Grubb •, S7 : 106 Long focus, W. Rollins A3: 199 Methods of defining, delineating and resolving the power of, F. L. 0. Wadsworth P5:s28 pay? Do large Ai:927 Possibilities of, A. G. Clark A2:3I9 Problems in constructing large, W. R. Warner A2:695 of short focal length, H. L. Smith 81:239; 87:293, 360 8mall vs. large, ^. W. Burnham 84: 193 W. F. Denning 84:259 F. P. Leavenworth 89 : 47 C. A. Young 85: I Note on A3:24i Two large, A. A. Common A2: 11 in United States, Congressional Record P8'-2g2 W. H. Knight 810:393, 475 Work for large, E. C. Pickering A2:ii4 of world, Large, W. W. Payne 83:193 and other optical instruments, W. B. Musson P8 : 378 Telescopic illumination, 0. Stone ' 86 : 73 Tempel's second periodic comet, (c 1899) C. D. Perrine P7:29l Temperature for gaseous celestial bodies. Law of, T. J. J. See P7:i29 C. A. Young P7:22S of .sun and stars, Surface, 7. Scheiner A3:569 Temperatures of Mars, Venus and Mercury, 5'. 7. Corrigan P16:2S8 Teneriffe, Alta Vista, Teyde, D. W. Edgecomb 89 : 392 Terrestrial magnetism. Solar origin of. See Magnetic disturbance. Terrestrial magnetism, H. Harvey P9 : 467 during solar eclipse P16:i96 Test objects for small telescopes A3:i68 of photographic plates. Standard P16:26i Thales, Eclipse of, W. H. S. Monck PIO: 127 7. N. Stockwell P9:376 Thermodynamics of the atmosphere P15:3l6 Thoth and the Amenthes, P. Lowell P13:2SJ Three bodies, Problem of, F. R. Moulton P5:407 Tidal friction and planetary rotations, 7. E. Christian P9: 194 wave on terrestrial spheroid. Propagation of, T. 7. 7. See P8:373 INDEX OF SUBJECTS 131 Volume and Page Tides, Origin of, A. K. Bartlett Pli:494 Time, F. R. Moulton P12:39i /. G. Porter S6: 95 Geological, W. Upham P14:264 latitude, azimuth for field work. Obtaining, IV. E. Cooke Pli: 169 observations with small transit S3 : 209 obtained with engineer's transit, G. 0. fames P15:47S F. H. Scares P13:553 from single altitudes, 5". D. Townley P14: 148 with surveyor's transit, G. O. fames P13:499 Origin of standard P14:638 Solar and sidereal, A. K. Bartlett P12:649 stars for amateurs, E. Iliff and L. Waterbury P2: 74 Transmission of, O. Klotz P15: 129 True unit of S3: 122 service at Cape Good Hope P13 : 576 Dominion observatory, Canada P15 : 32 r Goodsell observatory Si: 16 Harvard observatory Al : 345 Lick observatory, 7. E. Keeler S6:233 United States Naval observatory- .^ 89: 57 Washburn observatory, 5'. D. Townley 81:24; Ai:467 signal from United States Naval observatory P10:447; P13:iio, 143 W. W. Payne P12:6i3, 684 and azimuth. New method of obtaining 86:224 latitude determined from equal altitudes, G. C. Comstock Pll:238 time signals, C. R. Willard PI : 60 Transit circle. Effect of temperature upon constants of, H. R. Morgan- ■ .P14:452 observations, 187S-1883, Washington 88:470 factor tables. Computing, H. S. Davis P10:3O3 Hanging level attached to portable, T. H. S afford 88:433 instrument. Automatic, F. H. Bigelow 87:205 instruments. Flexure of the axis, C. A. Young 82: loi observations for time, Reducing, C. B. Hill A2:2I2 by photography, W. P Gerrish 89 : 1 1 1 pivots at Washburn, Inequality of, A. f. Sanborn 82:225 Transiting stars. New method of, M. B. Snyder PIO: 350 Transits of inferior planets, 7. R. Eastman S2: 182 of Venus and Mercury, 7. Morrison P5 : 536 Method of calculating, M. Updegraff 810:225 Triad of stars, E. IV. Maunder P16:403 Triangulation of the circumpolar region, Heliometer P12:429 Trifid nebula, M 8, Photographs of, E. E. Barnard A3: 791 Tucker, R. H., the head of Southern observatory Pie: 327 Twilight, 0. E. Harmon P4:i48, 211, 252; P5:2S7 Ultra-violet rays of spectrum Al : 825 132 ASTRONOMICAL PUBLICATIONS Volume and Page Ultra-violet rays, (Continued) Photographing Al :829 Universe, On an infinite, 0. Ely P16:435 G. W. Hough P16:46i W. H. S. Monck P16:s96 limited and spherical in form? Is the P12: 69 Man's place in the Pli:223 United States Coast Survey office A3:4i4 Naval observatory, W. W. Payne, A3:6oi, 707; P2:9i; P5: 166, 223, 224, 330, 501 ; P7:365, 459, 500; P9:7i, 166, 216, 3SO, S63; P10:i4, 387; Pll:s7, 276, 520. . Time service of, (See Time Signal from U. S. N. ob.) Uranus, Discovery of, H. P. Tuttle S8: 34 Figure of 83:315 Note 32:254 Occultation of, F. E. Seagrave Al : 540 Satellites of, H. Harrison 88:275 Note on 88:231 Spectrum of 88:329 Tables of P7:502 and Saturn, Photographic spectra of, Mr. and Mrs. Huggins 88:450 f Ursae Majoris Spectrum of, E. C. Pickering 89: 80 Ursae Majoris, Orbit of Pli:576 /3 Ursae Minoris, Suspected variable 81: 130 n^ Ursae Minoris (S 1989) 6". W. Burnham Al:s48 Ursids, See Meteors. Vacant regions of the sky, E. E. Barnard P14:s79 Vacation notes, T. J. J. See P6 : 360 Vacuum-spectrograph, Herr Schumann's Al:237 Variability and the asteroids, G. A. Thompson P13:378 Variable star atlas in preparation, /. G. Hagen P5:20 ; P7: 85 P. S. Yendell P14:298 catalogue. Preparations for nevir, G. Miiller Pli:i38 clusters, E. C. Pickering P3 : 197 ; P5 : 276 ; P6 : 505 New, E. C. Pickering Ai:7S2 kind of, /. A. Parkhurst P3:2I4 phenomena. Chandler on 88:277 Suspected, BD + 37°8ii Persei P15:3i3 Variable stars, 7. M. Barr P15:2I7 W. J. Gill, Jr P4:434 /. A. Parkhurst, Pi: 125, 161, 212, 263, 315, 358, 397, 460; P2:i8, 95. W. W. Payne 88:247 P. S. Yendell, P3:446; P4:i3, 536; P5:i6, 84, 172, 235, 302, 399; P12:32. of Algol type, W. H. S. Monck P5 = 559 INDEX OF SUBJECTS 133 Volume and Page Variable stars, (Continued) of Algol type, E. C. Pickering P8: 162 ; PIO: 157 H. C. Wilson P8: 113 Minima of Ai:84, i6s, 247, 340, 440, 534, 624, 743, 834, 939; A2:82, 179, 27s, 368, 467, 567, 657, 754, 853, 933; A3:79, 167, 253, 322, 409, 510, 592, 703, 778; PI = 41, 88, 142, 236, 280, 332, 379, 420, 468; P2:36, 84, 137; P3:36, 149, 208, 326, 375, 430; P4:io3, 158, 217, 270, 330, 384, 447, 527, 572; P5:48, 109, 162, 217, 270, 325, 388, 437, 497, 554; P6:52, 116, 182, 246, 302, 353, 412, 472, S3I, 581 ; P7:4i, 93, 161, 214, 265, 319, 378 435, 492, 535; P8:44, 100,. 157, 213, 286, 343, 395, 458, 515; P9:i04, 460, 516, 572; P10:46, loi, 156, 213, 269, 327, 383, 440, 495, 544; Pli:48, 97, 156, 209, 269, 334, 402, 454, 507, 569; P12:59, 138, 206, 275, 353, 417, 491, 563, 622, 676; P13:50, loi, 160, 216, 277, 344, 405, 465, 521, 570; P14:59, 116, 177, 24s, 309, 375, 436, 499, 567, 632; P15:s5, 117, 180, 249, 308, 374, 438, 509, 573, 638; Pie: 58, 116, 183, 249, 316, 381, 446, 511, 581, 646. Approximate magnitudes of, Pll:99, 213, 271, 339, 403, 457, 510, 572; P12:6i, 141, 209, 278, 356, 421, 495, 562, 623, 674; P13:48, 103, 163, 215, 276, 345, 407, 464, S19, 569; P14:6i, 115, 175, 244, 307, 377, 434, 498, 569, 635; P15:s2, 115, 182, 251, 310, 376, 436, 506, 575, 635; Pie: 114, 186, 252, 319, 385, 450, 514, 584, 649. Comparison stars for, E. C. Pickering Pe: 125 long period PI: 282 Co-operation in observing, E. C. Pickering P9 : 148 Density of Algol P8:ioS; Pie:4S4 with different notation, H. C. Wilson P10:3I2 discovered in 1907, W. E. Sperra Pie:488 Discoveries of, G. A. Thompson P13:445 Distribution of type IV of P7 : 536 Durchmusterung of, E. C. Pickering P14:5o8 Ephemeris of SI : 104 Gore's revised catalogue of S8: 41 Harvard circular lists of new. No. 6, P3:48i ; No. 7, P4:48; No. 10, P4:224; No. 12, P14:446; No. 24, P6:55; No. 34, Pe:53o; No. 47, P8:i62; No. 79, P12:566; No. 90, P13:2i8; No. 91, P13:22i; P14:i6o; No. 122, P15:56; No. 124, P15:i85; No. 132, Pie:55; 134 ASTRONOMICAL PUBLICATIONS Volume and Page Harvard circular, (Continued) No. 133, Pie: 56. map list, E. C. Pickering P15:6i7 Light curves: RS Aquarii, (— 1898) P15:i85 U Aquilae, (— 1886) P14:432 7, Aquilae, (— 1784) Pli:S73 X Aurigae, (8.igoo) P12:2ii Y Aurigae, (71.1901) P13:275 R Camelopardalis (— 1858) P6: 54 RV Capricornae (108.1905) • PI*: 58 RY Cassiopeiae, (28.1906) P15:38o U Cephei (— 1880) P10:i59 SU Cygni (— 1897) P15:ii9 UY Cygni (1.1902) P15:640 VW Cygni (55.1903) P14:249 VX Cygni (58.1903) P13:340 VY Cygni (61.1903) P15:572 VZ Cygni (7.1904) P14:497 XZ Cygni (76.1905) P14:433 ZZ Cygni (193.1906) P15:2S4 RW Draconis (87.1906) P15:5ii RX Herculis (— 1898) P10:i59; P13:4io Y Lacertae (110.1904) . : P16:i23 l3 Lyrae (—1784) ..Pli:399; P13:275 Y Lyrae (12.1900) P10:2I5 RV Lyrae (13.1902) P14:250 Messier cluster, 33 of 5 P'i':49S U Ophiuchi (1871) Pll:573 RY Persei (120.1906) P15:38o RV Tauri (45.1905) P16:387 W Ursae Majoris (3.1903) Pli:2is X Vulpeculae (161. 1904) P15:sii Missing, RR Cygni Pli:2i6 Long period, /. A. Parkhurst P2:2I5, 316, 415 Maxima and minima of long period, Pi:4i9, 469; P2:37, 83, 136; P3:37; P4:i04, 158, 216, 270, 330, 383, 447, 526, 571; P5:48, 109, 164, 218, 269, 326, 555; P6:53, 116, 183, 246, 303, 353, 412, 472; P7:92, 161, 215, 264, 320, 377, 435; P8:98, 156, 212, 286, 342, 394, 458; P9:5i7, 572; P10:47, 102, 157, 214, 270, 330, 384, 441, 496; Pli:49, 98, 159, 213, 272, 338, 405, 456, 509. Maxima of short period, not Algol type, P9:si7; P10:i57, 214, 270, 328, 384, 441, 496, 545; Pll = 99, 158, 211, 270, 336, 404, 455, 508, 570; P12:6o, 140, 208, 277, 355, 419, 493, 564, 624, 675; P13:49, 104, 162, 214, 278, 341, 408, 467, 520, 568; P14:6o, 118, 178, 247, 310, 376, 437. SOI, 568, 634; P15:54, 114, 183, 252, 311, 378, 440, INDEX OF SUBJECTS i35 Volume and Page Variable stars. Maxima of short period, not of Algol type, (Continued) 507, 572, 637; P16:6o, 118, 185, 250, 318, 383, 448, 513, 583, 648. Naming recently discovered P10:442 ; P12:62 ; P14: 179 in nebula P10:494 New (Elements) W Andromedae (1899) P7:i62, 215 X Andromedae (3.1900) P13:5i4 RR Andromedae (69.1901) P13:si4 RS Andromedae (— 1898) P12: 63 RU Andromedae (11. 1903) P11:274, 340; P12: 62 — Andromedae (62.1903) P12: 142 RV Andromedae (17.1904) P12:423 RW Andromedae ( 189.1904) P13: 157 ; PU: 179 RX Andromedae (38.1905) P13:274; P14:i79 RY Andromedae (44.1905) P13:338; P14:i8o RZ Andromedae (166.1904) P13:s2; P14:637 SS Andromedae (167.1904) P13:s2; P14:637 ST Andromedae (52.1906) P16: 121 SU Andromedae (53.1906) P16:i2i SV Andromedae (1.1907) P15:255; P16:i2i SW Andromedae (5.1907) P16:i20 SX Andromedae (51.1907) P15:443; P16:i20 SY Andromedae (136.1907) • P15:57i ; P16:s4, 182, 247 SZ Andromedae (141. 1907) P16: 55 TT Andromedae (143.1907) P16:55, 247 RS Aquarii (1898) P7:320 RV Aquarii (48.1907) P15:442 ; P16: 121 — Aquarii (163.1907) P16: 56 Y Aquilae P6:4i8 RT Aquilae (1897) P5:5S6; P13:5i4 RU Aquilae (1898) P6:532; P7:26s RX Aquilae (71.1903) P12:2io RY Aquilae (77.1903) P12:2io RZ Aquilae (83.1903) P12:2io SS Aquilae (64.1903) P14:i8o ST Aquilae (78.1903) P14:i8o SU Aquilae (33.1905) P14: 180 (64.— 85.1903) P12:2io SV Aquilae (68.1903) P14:637 SW Aquilae (79-1903) P14:637 SX Aquilae (80.1903) P14:637 Aquilae (2. — 37.1905) near S P13:273 Aquilae (48.-57.1905) P13:4ii SY Aquilae (48.1906) P14:637 Aquilae (80.— 85.1906) P14:496 SZ Aquilae (63.1907) P15:443; P16:i2i 136 ASTRONOMICAL PUBLICATIONS Volume and Page Variable stars, New, (Continued) TT Aquilae (64.1907) P15:443 ; P16: 121 Nova Aquilae (104.1905) P13:5i3 Aquilae, 25 new in P12:s65 Aquilae, 76 new in P12:s66 — Arietis (116.1905) P14:ii9 — Arietis (147.1907) P16: 55 W Aurigae (1898) P7:43, 21S; P8:5i5 Z Aurigae (1.1903) Pli:2i4; P12:62; P13:5I4 RS Aurigae (157.1904) P12:677 RT Aurigae (47.1905) P13:339; P14:i7g RU Aurigae (62.1905) P13:4ii ; P14:i79 RV Aurigae (21.1904) P14:637 RW Aurigae (27.1906) P14:304, 637 RX Aurigae (33.1906) P14:374, 637 ; PlS: 184 RY Aurigae (27.1907) P15:38i ; P16: 120, 247, 248 RZ Aurigae (29.1907) P15:44i ; P16:58o SS Aurigae (31.1907) P15:44i ; P16:246, 387, 509, 580, 652 ST Aurigae (32.1907) P15:44i SV Aurigae (180.1907) P16: 123 SW Aurigae (181. 1907) P16:i23 SX Aurigae (79.1907) P16:32i SY Aurigae (80.1907) P16:32i — Aurigae (30.1907) P15:44i — Aurigae (78.1907) P16:s8o — Aurigae (148.1907) P16: 55 — Aurigae (3.1908) P16:247 — Aurigae (4.1908) P16:247 — Aurigae (44.1908) P16:652 — Aurigae (45.1908) Pie:652 — Aurigae (49.1908) P16:652 RR Bootis (86.1906) P14:497; P16:i20 RS Bootis (14.1907) P15:i85; P16:i20 RT Bootis (67.1907) P16:i20 Bootis (172.1907) Pie: 56 Bootis (15.1908) P16:5io V Camelopardalis PIO: 442 W Camelopardalis (20.1903) Pli:398; P12: 62 X Camelopardalis (22.1903) PII.398; P12: 62 Y Camelopardalis (21.1903) Pli:398, 458; P12: 62 Z Camelopardalis (183.1904) P13:52; P14:i8i RR Camelopardalis (40.1905) Pl3:2i8; P14:i79 RS Camelopardalis (105.1905) P13:5i4; P14:i8o RT Camelopardalis (34.1906) P14: 374, 637 RU Camelopardalis (2. 1907) Pl5:255, 512 ; P16:i20 RV Camelopardalis (7.1907) '. P15:i85; P16:i20 INDEX OF SUBJECTS 137 Volumo and Page Variable stars, New, (Continued) 182 442 442 652 652 210 55 248 248 55 248 248 640 640 RW Camelopardalis (39.1907) P15:442; P16 RX Camelopardalis (40.1907) P15 — Camelopardalis (41.1907) P15 — Camelopardalis (57.1908) P16 — Camelopardalis (58.1908) P16 Y Cancri (3.1904) P12 — Cancri (151.1907) P16 U Canis Majoris ( 189.1907) P16 Y C-anis Majoris ( 193.1907) P16 — Canis Majoris ( 150.1907) P16 — Canis Majoris (194.1907) P16 — Canis Majoris ( 195.1907) P16 Canis Venatici ( 138.1907) P15 Canis Venatici ( 140.1907) P15 RU Capricorni (99.1901 ) P10:442, 444 RV Capricorni (108.1905) P14:58, 637 RY Carinae (98.1901) P10:442, 444 SS Carinae (73.1906) P14:434, 637 ST Carinae (158.1906) P16:i20 — Carinae (5.1906) P15: 185 — Carinae (152.1907) P16: 55 (157.— 192.1906) PI5: 185 Y Cassiopeiae ( 1898) P6 : 55, 118 Z Cassiopeiae (1898) P7-94, 160, 215 RR Cassiopeiae (5.1900) P13:5i8 RS Cassiopeiae (108.1904) P12:497; P15:5i2 RT Cassiopeiae (160.1904) P18:677 RU Cassiopeiae (186.1904) P14: 179 RV Cassiopeiae (41.1905) P13:274; P14: 179 RW Cassiopeiae (46.1905) P13:338 ; P14: 179, 497 RX Cassiopeiae (6.1904) P12:279 ; P14:496, 636 RY Cassiopeiae (28.1906) P14:304, 637; P15:38o, 512 RZ Cassiopeiae (77.1906) P14:636 SS Cassiopeiae (64.1905) PIG: 120 ST Cassiopeiae (155.1906) P15:i84; P16:i20 SV Cassiopeiae (194.1906) P15'.255 ; P16: 122 SW Cassiopeiae (65.1907) P15:443 ; P16:i2i, 182 SX Cassiopeiae (142.1907) P16:55, 321 — Cassiopeiae (190.1904) P13:i57 — • Cassiopeiae (65.1905) P16: 120 Cassiopeiae (36. — 38.1907) P15:442 — Cassiopeiae (179.1907) • P16: 123 — Cassiopeiae (142.1908) P16:65i RX Centauri ( — 1902) P." 0:442 RZ Centauri (141. 1906) P16:i20 138 ASTRONOMICAL PUBLICATIONS Variable stars, New, (Continued) Volume and Page SS Centauri (149.1906) P16:i2o ST Centauri (169.1906) P16:i2o SU Centauri (170.1906) P16: 120 SV Centauri (177.1906) P16:i20 SW Centauri (182.1906) P16:i20 SX Centauri (183.1906) P16:i2o SY Centauri (190.1906) P16:i20 SZ Centauri (191. 1906) P16:i20 TT Centauri (11. 1907) P15:i8s; P16:i20 TU Centauri (13.1907) Pi6: 120 — Centauri (157.1907) P16: 56 S Cephei (1784) Pli:273 X Cephei P6:S32 ; P7:493 Z Cephei (15.1903) P11"-34S ; P12= 62 RR Cephei (56.1903) Pll:5ii; P12: 62 RS Cephei (79190S) P13:47i, S7i ; P14:i79 RT Cephei (185.1904) P13:52; P14:i8o RU Cephei (31.1906) P14:3o6, 637 RV Cephei (32.1906) P14:3o6, 637 Z Ceti (156.1904) P12:625, 677; P14:S7; P16: S6 — Circini P16 : 56 — Coeli (187.1907) P16:248 V Columbae (188.1907) P16:248 W Columbae (190.1907) • P16:248 — Coma (1897) P5:27o, 436, 556 V Coronae P12:496 W Coronae (18.1902) Pli:5o; P13:5i4 X Coronae (44.1906) P14:637 V Coronae (16.1907) Pl5:i8s; P16:i20 Z Coronae (17.1907) P15:i85; P16:i20 U Cor Austr. 92.1901) PIO: 45 — Cor. Austr. (22.1908) P16:579 — Cor. Austr. (24.1908) P16:579 — Cor Austr. (36.1908) P16:s8o — Cor. Bor. (158.1907) P16: 56 — Cor. Bor. (173.1907) P16: 56 — Corvi (156.1907) P16: 55 V Crucis (26.1904) P14:637 W Crucis (180.1906) Pie: 120 X Crucis (186.1906) Pie: 120 RT Cygni (1890) 88:232; P6:473 SS Cygni (1896), P4:i04; P5:47, no, 271, 328, 386, 557; P6:54, 304, 413, 532, 587; P7:43, 95, 163, 267, 380, 437, 537; P8:46, 100, 158, 287, 343, 459; P9:48; Pli:52, 273; P12:496; P13: 105. INDEX OF SUBJECTS 139 Volume and Page Variable stars, New, (Continued) ST Cygni (1898) P6:247, 304 SU Cygni (1897) P15: 119 SW Cygni (1899) P7:379; P9:si8; P12:496 SY Cygni (1899) PS: 158, 215 TU Cygni (13.1900) P9: 48 UU Cygni (38.1901) P13:si4, S18 UW Cygni (78.1901) P9:S7i; P10:442 UX Cygni (96.1901 ) PIO: 100, 442 UY Cygni (1.1902) P10:2i8, 442 UZ Cygni (10.1902) P10:38s, 442; P12:424 VV Cygni (20.1902) Pli:ioi, 398; PI2: 62 VW Cygni (SS-I903) Pll:4S8; P12: 62 VX Cygni (58.1903) Pli:s7i VY Cygni (6.1903) P12: 63 VZ Cygni (7.1904) P12:28o WW Cygni (154.1904) P12:568, 625; P15:si2 WX Cygni (S91903) PII-510, 572 WY Cygni (164.1904) P12:678 WZ Cygni (107.1905) Pl4:57, 180 XX Cygni (14.1904) •■ P12:3S8; P14:496, 637 XY Cygni (72.1905) P13:4I2 ; P14:637 XZ Cygni (76.1905) P13:4I2; P14:433, 637 YY Cygni (94.1901) P10:4S; P13:is6; P14:637 YZ Cygni (33.1904) P16:i2i ZZ Cygni (193.1906) P15:254; P16:i2i AA Cygni P16 : 121 — Cygni (161. 1907) P16: 56 W Delphini (1895) P3:375, 376; P4:448; P13:si8 Y Delphini (15.1902) Pll:5o; P13:si4 Z Delphini (16.1902) Pli:5o; P12:62; P13:5I4 RR Delphini (79.1906) P14:439, 569, 637 RS Delphini (20.1907) P15: 185 ; P16: 121 U Draconis (1897) P5:s56 — Draconis (1.1900) P8:2i5 W Draconis (6.1902) P10:442 X Draconis (7.1902) P10:442 Y Draconis (2.1903) Pll:2is Z Draconis (4.1903) Pli:2i6, 275, 397, 571 — Draconis (184.1904) P13: 52 RR Draconis (188.1904) P13:i57; P14:i8o; PlSliig RS Draconis (391905) P13:2i8; P14:i8o RT Draconis (74.1905) P14: 180 RU Draconis (75.1905) P14:i8o RV Draconis (54.1906) P14:434; P16: 120 RW Draconis (87.1907) P14:497; P15:5io, 512; P16:i2o 140 ASTRONOMICAL PUBLICATIONS Volume and Page Variable stars, New, (Continued) RX Draconis (121. 1906) P14:63i; P15:ii9; P16:i2i — Draconis ( — 1906) P15: 185 RY Draconis (10.1907) P15:3I2; P16:i20 RZ Draconis (26.1907) P15:38l, 512; PI6.121 SS Draconis (47.1907) P15:442 ST Draconis (182.1907) P16:i82 SU Draconis (43.1907) P15:442 ; P16: 182 Draconis (43. and 45.1907), W. E. Sperra P16:56'9 — Draconis (159.1907) P16: 56 . — Draconis (160.1907) P16: 56 — Draconis (141. 1908) P16:6si X Geminorum P6 : 184 ; P7 : 42 Y Geminorum (4.1902) P10:27i ; P12: 62 — Geminorum (7.1903) Pll 1273 Z Geminorum (9.1903) Pll:273; P12:62; P13:si4 — Geminorum (12.1903) Pli:274, 339 RR Getninorum (13.1903) Pli:274; P12:62; PlS: 57 RS Geminorum (14.1903) Pli:27S ; P12: 62 RT Geminorum (12.1904) P12:3S7 RU Geminorum (15.1904) P12:422 RV Geminorum (141. 1904) P12:567 — Geminorum (63.1905) P13:4ii RW Geminorum (30.1906) P14:305, 637 RX Geminorum (49.1907) P16:248 — Geminorum (1.1908) P16: 182 RY Geminorum (6.1908) P16:320 — Geminorum (51.1908) P16:652 — Geminorum (52.1908) P16:652 — Geminorum (54.1908) P16:652 — Geminorum (56.1908) P16:652 RU Herculis P4: 384 RV Herculis P5:326 RX Herculis P6:s8i ; P7:2is, 535 RY Herculis P7:537 ; P8:45, 158 SS Herculis (77.1901) P9:5i5; P10:442 ST Herculis (29.1903) Pll:398 SU Herculis (31.1903) Pli:458; P12: 62 SV Herculis ( 162.1904) P12:678 SW Herculis (3.1907) P15:3i3; P16:i20 Herculis (174. — 177.1907) P16: 56 — Herculis (20.1908) P16:579 — Herculis (138.1908) P16:58i Hydrae (163. axid 164.1907) P16: 56 — Hydrae (171. 1907) P16: 56 Indi (196.1907) P16:248 INDEX OF SUBJECTS 141 Volume and Page Variable stars, New, (Continued) — Lacertae P5 1437 U Lacertae (2.1902) P10:27o, 275, 442; P13:5i4 Y Lacertae (110.1904) P16:i23 W Lacertae (163.1904) P12:678 X Lacertae (88.1906) P14:497; P16:i2i, 123 Y Lacertae (23.1907) P15:3i2, 512; P16:i2i Z Lacertae (132.1907) P16: 182 RR Lacertae (133.1907) P16: 182 — Lacertae (10.1908) P16:446 — Leonis (13.1904) P12:3s8 X Leonis (66.1907) P16: 120 Y Leonis (165.1907) P16:56, 510 Z Leonis (167.1907) P16:s6, 510 — Leonis (170.1907) P16: 56 S Leonis Minoris (19.1904) P12:423 — Leonis Minoris (166.1907) P16: 56 — Leonis Minoris ( 169.1907) P16 : 56 Librae, near S Messier, D. E. Packer 89:381 ; SIO: 107 X Lupi (69.190S) Pie: 120 Y Lupi ( 15.1907) PI5: 185 ; Pie: 120 S Lyncis (1898) Pe: 118, 185, 354 T Lyncis (1.1906) P14:i8l, 637 U Lyncis (9.1908) P16:445 — Lyncis (55.1908) Pie:6s2 Y Lyrae (1895) P6:3S4 W Lyrae ( 1896) PS : 327 Y Lyrae (12.1900) P9: 49 Z Lyrae (15.1900) P9: 49 RT Lyrae (5.1902) Pl0:329, 442; P13:5i4 RU Lyrae (11. 1902) P10:385, 442 RV Lyrae (13.1902) P10:439 RW Lyrae (17.1902) Pll:5o, loi ; PI2: 62 'RX Lyrae (10.1903) Pli:274, 397; P12:62, 418; P13:si4 RY Lyrae (17.1903) Pll:397; P12: 62 RZ Lyrae (19.1903) Pli:40i, 453; P12: 62 SS Lyrae (63.1903) P12:i42, 210 ST Lyrae (109.1904) Pl2:497 SU Lyrae (59.1905) P13:339, 512; P14:i8o SV Lyrae (80.1905) Pl4: 180 — Lyrae (80. — 101.1905) P13:si2 SW Lyrae (81.1905) P14: 180 SX Lyrae (82.1905) P14: 180 SY Lyrae (30.1904) Pie: 121 — Lyrae (139.1908) P16:6si RR Monocerotis (16.1903) PH:345; P12: 62 142 ASTRONOMICAL PUBLICATIONS Volume and Page Variable stars, New, (Continued) RS Monocerotis ( 10.1904) P12 : 357 RT Monocerotis (42.1905) P13:274; PU: 180 RU Monocerotis (43. 1905) P13:274; P14:i79; P15:si2 RV Monocerotis (3.1902) P10:27o; Pie^iao RW Monocerotis (24.1907) P15:3i2 ; P16: 120 — Monocerotis (149.1907) P16: 55 RX Monocerotis (7.1908) P16:387 T Muscae ( — 1904) ; P14: 180 U Muscae (153.1906) P16:i20 — Muscae (153.1907) P16: 55 — Muscae (1551907) P16: 55 U Ophiuchi (1871) Period of 51 = 272 Z Ophiuchi ( 1894) PI : 324 RT Ophiuchi (76.1901) .'. . .Pl2:62; P13:si4 RU Ophiuchi (18.1904) P12'-423 RV Ophiuchi (136.1904) P14:432 RW Ophiuchi (158.1904) P12:677 RX Ophiuchi (60.1905) P13:35i ; P14: 180 RY Ophiuchi (771905) P13:4i2 ; P14: 180 RZ Ophiuchi (103.1905) P13:5I3; P14:i8o, 498, 632 SS Ophiuchi (50.1907) P15:443; P16:i20 ST Ophiuchi (52.1907) P15:443; P16:i20 SU Ophiuchi (531907) Pl5:443; P16:i20 SV Ophiuchi (54.1907) P15:443; P16:i20 — Ophiuchi (60.1907) P15:443 ; P16: 120 X Orionis (11. 1904) P12:357 Y Orionis (49.1903) P12:3S7; P13:iS7; P14:i79 — Orionis (8.1904) P12:28o — Orionis (91904) P12:357, 422 Orionis ( 168 — 182.1904) P13: 52 Orionis (11. 1908) P16:446 Orionis (50.1908) P16:6S2 Orionis (531908) P16:652 T Pegasi (1863) P13:si4 U Pegasi (1894) P3:2i5 Y Pegasi (14.1900) P9:49; P13:si4 RR Pegasi (95.1901) P10:46, 442 RS Pegasi (12.1902) P10:38s, 442; P13:5i4 RT Pegasi (191902) Pli:So; P12:62; P13:5I4 RU Pegasi (142.1904) P12:567 RV Pegasi (159.1904) P12:677 RX Pegasi (70.1905) P16: 122 RY Pegasi (50.1906) P16: 122 RZ Pegasi (51.1906) P16: 122 — Pegasi (162.1907) Pie: s6 INDEX OF SUBJECTS 143 Volume and Page Variable stars, New, (Continued) K Persei (74.1901) P9:407 V Persei (68.1901) P13:si4 Z Persei (14.1902) P10:s4S; P12: 62 RR Persei (1.1904) P12:205; P13:5i4 RS Persei (16.1904) P12:422 RT Persei (155.1904) P12:625; P13:5I4 RU Persei (187.1904) P13:ioo; P14:i79 KW Persei (61.1905) P13:4ii; P14:i79; P15:379, 512 RW Persei (29.1906) P14:304, 637 RX Persei (35.1906) P14:374, 637 'R.Y Persei (120.1906) P15:i84, 253, 380; P16:i20 RZ Persei (156.1906) P15:i84, 312; P16:i20 SS Persei (33.1907) P15:442; P16:i20 — Persei (34.1907) P15:442 ST Persei (67.1907) P16: 182 SU Persei (35.1907) P15:442 SV Persei (73.1907) P16: 182 SW Persei (2.1908) P16:i82 — Persei (17.1908) P16:sio Novae, i and 2, (See Persei, Novae) U Phoenicis (184.1907) P16:248 — Phoenicis (197.1907) P16:248 — Phoenicis (198.1907) P16:248 T Pictoris — P16: 120 Z Puppis (1897) P7: 42 RV Puppis (192.1907) P16:248 U Sagittae (93-i9oi) • P10:4S, iS7, 215; P13:5i8 V Sagittae (21.1902) Pli:i02; P12: 62 W Sagittcte (46.1906) P14:637 Nova Sagittarii (1899) P7:266 V Sagittarii (165.1904) P13: 51 SV Sagittarii (30.1903) Pll:398 SX Sagittarii (78.1906) P14:439, 637 — Sagittarii (139.1904) P12: 567 — Sagittarii (23.1908) P16: 579 Sagittarii (25.— 33.1908) P16:579 Sagittarii (38. — 42.1908) P16: 580 — Sagittarii (140.1908) P16:6si R Scorpii (1853) P4:275, 331; P6:354 Scarpa los in P13: 156, 2ig Scorpii (18. and 19.1908) P16:s79 — Scorpii (21.1908) P16:s79 U Scuti (73.1901) P15:5i2 V Scuti (140.1904) P12:567 W Scuti (56.1907) P16:i2i 144 ASTRONOMICAL PUBLICATIONS Volume and Page Variable stars, New, (Continued) X Scuti (57.1907) P16:i2i Y Scuti (58.1907) Pie: 121 Z Scuti (61.1907) P16:i2i Scuti (34-, 35- and 371908) P16:58o W Serpentis (SS.1907) P16:i20 S Sextantis (42.1906) P16:i20 T Sextantis (168.1907) P16: 56 S Tauri (1855) P5:io9 Z Tauri (4.1903) Pli:2i6 RS Tauri (5.1903) Pli:2i6; P12: 62 — Tauri (6.1903) Pli:2i6 RT Tauri (2.1904) P12:2I0 RV Tauri (4S-I905) P13:338; P14:i79 RW Tauri (102.1905) P13:si2, 513; P14:i79, 181; P16:i82 RX Tauri (279.1904) P14:637 SS Tauri (178.1907) P16:i22 Tauri (46. — ^48.1908) P16:652 R Trianguli ( 1871 ) P15 1443 U Tucanae — P16 : 120 V Tucanae (185.1907) P16:248 — Tucanae (183.1907) P16:248 — • Tucanae (186.1907) P16:248 V Ursae Majoris (70.1901 ) P13 : 514 W Ursae Majoris (3.1903) Pli:2is; P12: 62 — Ursae Majoris (8.1903) Pli:273 RR Ursae Majoris (106.1905) P13:5I4; P14:i8o RS Ursae Majoris (67.1905) P13: 571 ; P14: 180 RU Ursae Majoris (137.1907) P15:64o RV Ursae Majoris (i39-i907) P15:64o; P16:247 RW Ursae Majoris (44.1907) P15:442 — Ursae Majoris (28.1907) P15:38i — Ursae Majoris (28.1907) P15:38i — Ursae Majoris (46.1907) P15:442 — Ursaie Majoris (S9.1908) P16:652 T Ursae Minoris (57.1903) PH:5ii ; P12: 62 U Ursae Minoris (113. 1904) P12:498 Y Velorum (97.1901) P10:442, 444 Z Velorum (28.1900) P10:442 RR Velorum (91.1901) PlO:45, 442 RS Velorum (23.1904) P14:637 Nova J^elorum (154.1906) P16!l2l RU Virginis (1897) P13:si4 RZ Virginis (731905) P14: 180 SS Virginis (78.1905) P13:47o; P14:i8o ST Virginis (12.1907) P15:i85; P16:i20, 651 INDEX OF SUBJECTS 145 Volume and Page Variable stars, New, (Continued) SU Virginis (154.1907) P16: 55 U Vulpeculae (1897) P15:443 V Vulpeculae (4.1904) P12:279 W Vulpeculae (5.1904) P12:279 Vulpeculae (143. — 153.1904) P12:567 X Vulpeculae (161. 1904) P12:677 V Vulpeculae (4.1907) P15:3i3; P16:i2i — Vulpeculae (116.1908) P16:sio North circumpolar, 7. A. Parkhurst P4:369, 419 Observation of, E. E. Marktmck P12: 193 P. S. Yendell P2:i2, 95; P13:4S3; P14:s37, 596 at Hamburg, H. Graff P13:si4 R. O' Halloran P10:27i Observations and notes: (For discoveries and elements see New Variable Stars) Algol P16 : 56 S Antliae (1888) P12:498 e Aurigae — P12 : 142 U Aurigae ( 1891 ) PIO: 273 W Aurigae (1898) P11 = S3, 401 ; P14:i20 V Bootis (1884) P14:S03; P15:si2 V Camelopardalis (21.1903) P16: 57 U Cassiopeiae ( 1887) P16 : 125 W Cassiopeiae ( 1894) P16: 125, 254 RZ Cassiopeiae (77.1906) P16: 57 Radial motion of PI5: 57 Ceti, Mira, /. A. Parkhurst P3: 165 ; Cor. P3:2o8 Charts of P6 : 126 Maxima of, R. O'Halloran PS^SS; P6:s86; P7:437, 544 Notes 35:92; P3:262, 380, 390; P6:4i3; P7:2is Observations, F. Bradbury P3 : 262 D. Flanery P3 : 262 D. Hadden P6:ss; P7:ios; P8:2i9 R. O'Halloran, P3:384, 440; P4:334; P6:s6, 126, 255, 586; P7:223, 544; P15:38i; Pie: 123. H. C. Wilson P3:i5o, 261, 390 Spectrum of, H. C. Wilson, P3 : 390 in Cetus suspected SI : 70 V Coronae Pll:40O; P12:496; P14:i2i, 502 ; P15:5I2 S Cygni (i860) P14: 121 X Cygni (1886) Pll: 50 SS Cygni (1896) Pll:4oo; P14:i2i (See Cygnus) TX Cygni (22.1900), Period of P10:2i5 146 ASTRONOMICAL PUBLICATIONS Volume and Page Variable stars, Observations and notes, (Continued) UY Cygni (1.1902) Pli:333 RR Delphini (79.1906) P16= 57 U Draconis (1897) Pli:40o Z Draconis (4.1903) P16- 57 Comparison stars for, M. W. Whitney Pll:428 U Geminorum (1855), P6:ii7, 248, 303; P7:266; P8:is8, 287; Pli:96; P12:28o; P13:io6; P14:so3; P15:382. RW Geminorum (30.1906) P16: 57 R Hydrae (1670) P12:497; P13:469 V Hydrae (1888) Pli:2i7; P12:497; P13:47o T Lacertae P5:437 R Leonis (1782) P15:382 j3 Lyrae (1784) P6: 117 V Lyrae (189s) Pli:398 ^ Lyrae (1896) Pll:2i6, 399; P13:ios, 470; P14:502 RZ Ophiuchi (103.1905) • ■ • - .P15:64i a Orioms (1840), Spectrum of • -PS: 46 Variability of Pll: 51 U Orionis (1885) P10:272 V Orionis (1887) P10:272 ; P12:496 ; P13:469 ; P14: 121 Z Persei (14.1902) P16: 57 RY Persei (20.1906) P16: 57 LL Puppis (1872) P10:273 S Saggittae (1885) .P13:4il R Tauri (1849) P10:273; Pli:399; P15:5i3 S Tauri (1855) P10:27i ; Pli:399 R Ursae Majoris (1853) P10:273 V Ursae Majoris (70.1901) P12:423 P Ursae Minoris SI' 130 X Virginis (1871) Pli:40l V Virginis (1874) P13:469 Photographic magnitudes of P6: 532 Plan for observing, E. C. Pickering Si:237 ; S2: 25 Relation betv^reen color and period of P16:322 of short period, E. C. Pickering P6:262 W. E. Sperra P3:404 P. S. Yendell P2: 160, 202, 269, 362 Revised list of, H. C. Wilson P14:7S, 255 Wilson's list of Algol, F. H. Seares P14:238 Vatican observatory, W. A. Parr Pll:497 Vectors, Simple application of, A. B. Turner P16:4o8 Velocity curve of a Carinae PIST645 B Draconis P15 : 646 w Draconis P15: 647 u, Pavonis P15:64S K Velorum P15 in line of sight, Unit of, E. B. Frost A3 of stars determined by spectrograph, H. C. l^ogel Al Venus, P. Lowell P12 M. Winger P4 near inferior conjunction, E. E. Barnard SIO observations, A. E. Douglass P6 A. R. J. F. Hassard P16 R. Sprague P2 Ring of light around, /. A. Brashear SI Z. Daniel P15 /. E. Keeler SI H. N. Russell P15 Rotation period of gravitation, W. H. S. Monck P5: i68, 273 T. J. J. See P5:224 studied spectrographically, P. Lowell Pll:426 and surface, P. Lowell P4:28i, 389; Pli:si8 Supposed satellite of, H. C. Wilson 36:357 Terminator of, W. Wetherbee P12 : 67 Note P8:237 Transit of, (1882), E. E. Barnard, 51:290; E. Frisby, 81:182; W. Harkness, 81:143; C. S. Hastings, 81:273; E. L. Larkin, 81:294; C. A. Young, 81:300. Notes on, 81:128, 134, 143, 153, 182, 191, 193, 230, 260-5, 268- 70, 290, 294, 299, 312-14; 82:27, 237. and Jupiter in conjunction, L. G. Leon Pli: 160 7 Virginis, Orbit of. Dr. Dorberck P4: 162 Vision, Limit of, H. P. Tuttle 88 : 302 Volcanic dust? Is it Pelee P10:446 "Vulcan" in i860, Search for, H. P. Tuttle P7:235 U Vulpeculae and ST Cygni, E. C. Pickering 87:2o8 Watson's twenty-two asteroids P12:429, 645 Wave-length of light. Standard, A. A. Michelson and E. W. Morley 88:241, 278 ; 810:251 H. A. Rowland A2:32i ; Cor. A2:563 Wave-lengths hitherto unrecognized 85:278 Weather indications along eclipse path, 1900, F. H. Bigelow P7:4Si Webb, Thomas William, A. Mee P13: 138 Whitin observatory of Wellesley college, 5. F. Whiting P8:482 Wind forces on an observatory dome, E. D. Roe, Jr P14:347; P16:424 Winds and refractors A2 : 573, 762 Wire-intervals for transit instrument, W. H. M. Christie P15:302 Wolf-Rayet stars, W. W. Campbell .\3:448 in Cygnus, Mr. and Mrs. W. Huggins SIO: 49 Nebulosity about Al : 236 148 ASTRONOMICAL PUBLICATIONS Volume and Page World's congress auxiliary, G. W. Hough Ai:462 Yarnall's catalogue S6: 81 Yerkes observatory, W. W. Payne PS^iiS, 34o; P14:4s8, 527 receives Bruce telescope PX2:363 telescope, W. W. Payne A2:57i ; Pi:i76 Zenith tube, Wharton reflex, E. Doolittle P14:530 Zodiacal light A. K. Bartlett PIO: 179 Color of, E. W. Maunder P6:307 Early observations of P4: 107 Northern limit of, E. A. Path P16:633 Note on ASispg Photographs of, A. E. Douglass P8:i74; PS'igo and gegenschein P10:276 Milky Way, compared PlSIsSp stars for 1900-1902, Catalogue of P16:i9S Zone observations Si:63, 67; S3: 152 m.