1‘ .3 ' 5; ‘ _, 4. 5 . J2 ‘. ' W 2 N G EN} 0 CONTAINING Matbeflzaticés, P/9)/ficé, Hz'fiory,P/oi/ology, and other Arts and.Sc1cnces. -‘L? {__.—-——\_._é:é . I N 1\/Iifcellaneous Letters; By 7; D E L A c 30 s E, Eccl. Angl. Presb. A PR 1 L, 159;. in be contémm %ontI_flp‘o. . V 0 L 1. Patermz éomz tempos: irzton-;’tz772fi15z't Alierm, forwzm interim corpora : Uwm omtem 'Z}Z.tc€‘P7‘£fi‘5l71.:'/5773 z'z4«:z:~tz'z9mJ/fr;/rm of}. ' o H'i§JpI2TChUS.o u____ ___._ oLONfDON‘,“Printed for £5; near Ema»-/onein Fzm./met. And for 31. 138 rrésa at the H12:/row in the Poo/ire}. I 69 3. oo‘«Where are ‘to be had the ‘R/Eerzwoiors for ::/to'1»*2Z4mj", Fo&'r;a./z;?},o gmd Morckz _/ Several Curious Obfervations in Ploilofopby, '4 I - ~( I 0:) “V()h'1.iI». ’Num‘b.%4_2 4 A—-— L -——---—'n W‘ . F ‘Mfimolrs for the Ingenious. NEIL, 169;. -” LETTER XIV. i To %thei1flm‘/oorof thefe Memoirs. ._ < A 4.-.'c“~““--~« - ARGUMENT. , Occaflon of this Letter. T he Author’: opinion, That Springs and Rivers owe their origin to the prefltre of the Atmofphere ap- 7?.‘ on thewaters of the Sea. Thatithe Atmofohere does flrong- e L {y gravitate upon the Terraqueoas GZohe,prov’a’ hy fit-veral Ex; : 51 erimerztn Attraéifiorz or Sucking an ahfarcl Notiorzfl How I r /alt Water comes to he made frefh. T hat Water freed from ’ theepreflfltre of the air will of it flelf rife perpem/icalarly, and 1 pier'ceithrottgh the Pores of Sam! amt’ Gravel, prowl hy rear. 5; A fions am] experiments.’ VI/hether it he true that Water will rife ii A * no higher than its head or law! 9. How heitog got up almq//' to *1 the top of the Hills, it gets out again into the open air 9 Of’ ail:/org that fottrzd out aSalt Spriizg; , ‘ i i i T %’ Reverem}lShiri,i' ' ‘ F“ V You give us a good account in your firfi Letter of the two 71 i ;L tmofi remarkable and genefmlly received opinions. concerning , 3“ the ’ri.,<:in of: Springs and Rivers. ~Ifhave. formerly [pent Tome ‘ W ‘:fof‘my leifixreihouhrs;-ion fuch‘_de1ighifu1fpeculations, a;n°di3atrti'culrahr1y . f 77(3)n’-‘f1?iat'1‘ubT}’€((9Esflbut could. nexrer yet meettwich my folution that ‘A V i P t h was r LI‘C‘C.f' _ ' _ tie} ®a:ttait§.fu;t tlja fiingmiotts. was notattended with many impt‘OhabihtieS, and moi’: of them vuihthtt Certamly. the fuhyeét 1s~ of that: feemingly invincib1—e ditfitculties. Dignity in its own nature,‘ and of that 1‘tf}pO1‘"tanC*€ to the conventi- enceseeerfhumanet life, that it \—\7€nd€{C'1'\’€.‘S our ferious-—fiudy. a Ijeouldi never app;-ova of }30fi.ti\’~'€_ af=i”e1’tieons in fuch-remote and di.fficghu1tgen- equities‘, and am Very fenfth‘.-e how httle reaion Iahave to pretend to i:.t5,, butahyettltthhak I fhould he irzjurious to_htruth,« if when it {eems~ . to appear mth ctmvruemg E‘\‘1d€'I‘.C€‘, I fhuuld yreld PO greater defe- O reuce to its diétates, than tomeer conteeture and fuppoiition; Sir, Ihthe opportunity. Ca your ~i-ggenious ctonvertfationy ltcemmeunicatedt; to you in v;hat~matmer I apprehended [hiSg1‘€3t“\‘JO1"k<. of nature to be €f¥€<5’i€‘d grand though you dtdteuotrptelently acquxefce wtth:me«,yet: tuptmfurvther debate you were pleafed to judge fo fav=ou.rahly«:, as I0 I defire me to puhhfh my nation Ofif, etfpeflciadyt forthat it is not T meerly argutuentateive, but grounded uponatatmhar and phvaous ex- 1 comply with your requefl the rather; for**'that’~I have»- pettments. obfervede-we often happen at lafie to meet With truth, by enquiringt for it where it was not.. My apprehe.nfionuthen’is-,‘t That the is-the material caufe of? ‘Springs, and‘ that the gravitation or ap.1tefi"ure*of‘hthe Aetmofph-eret1p— on the vaft. furface and body ofithfie Seas and Waters round the ter- refiria17G1u,be, is the eflicientcauite 'CO’11‘lp1‘€fi,.aDd as it were fqueezed together by the wterightand prefé fureof the. Air uponthem, that in what part foever they can be freed, or hutfdmethingeeafed=‘oE'etehis~uveightr and i force -which keeps them down, the Water wrll of itfelf nfettoa very‘greatheight; and eeonfeq.uent1y« that /the Seat infinuratiug ‘and wt>rk’1dng,*itfe1f into the,» e vaflecavrties ofthe Earth’, andfheing »there\ by theeclofe texture orr cruft of the furface, fheltred ’a'nd.*de«fegnded in avgreat meafure fi‘0rn.. the preffure Of"ii'1CUYl11‘5€'flt: Air, it did’21t"fi1‘& by degrees zcreep u[3,«t_u ‘worhtus way, and raxfe ntfeifeven tot thetops 0f’the- high hills, t.1rough‘th’"e«~ veins\»tand;:. fpaces» oft the-earth,“ and alfo «through the gravel, (and, 'I and loafer earth, which it met with in its way, .th"ou.gha. thjereetwere there noefenfihle veinseorv clef-ts tO‘*f3‘V0uf its pafTage., Tihatherng there encteafed to great quantit1es,. it d'id’fpreatd and di--« V late itfellf through the body, and to-the:r»fides»o€r the h"i—}:ls», and ha- h'S’_i’fl=g. achquiried great {’tr_eug.th by witis-‘bu1'k and -itmatea gravity,‘ . «it often: found nut, and“{0metttmehset—remade GCC11VOUS° pa~fi"a«ges»»down o‘ndenied*, and to take up lels room, the Water will mount up in propo4rtion'to' the degree ofheat and length of the pipe. V 7 , Orputa piece of flimitig paper intoa drinking gl-al"s,,and inverts the glafs \{!.;’it'l] the lighted paper therein upon fuch 3'Aquam‘i+ty,:o*fe iital terin abal"on_as the glafs will hold, gtltiekeatereii*iclliipl',e1fent,l3g r'*ir‘l"ei3’p into the glafs, the -lighted paper lraviilng eriperlled 35nd'«e3/lvahle into our principles. And I, "doubt notbut thefe .oh{erva-tions will be anfwers to fome oihjeé§itious\> vthich’rnay,feem tohe of moment. 4 ; q g s, a L ' Icould add fe"ver*ail othe-t—argumentts, as ohfervations on the mo- * ‘tion of Liquors in’Syphon‘s, and divers other experirnieants: hot none, K Iconfefs, that, in my -apprehenfion, gives a plainer den‘iott[h'ation of the matterri-n quefiiott-tehan this lail. So that I (hall proceeda little farther to explain: another patter" this Hyp,othe{is, how th€l€' waters beingr—‘tth-usgot up almoll to the«~top of the Hills, do gettout into the open air?*: Ieonceive thisrmayt happens teveral wayzsi. . L "Flier ftequent rains and t. n”;€lt€(lL fnowttnayr f’tDf‘{C‘.[i.‘2if-1Cl'.pfnftriiie the riii'{;iC€; ; ano.~f ._«' _ -_ K-:.r..4_:>r.~.~.. that tnay have been .co.mrnitted by your affeétieouate Servant,‘ I 0'8 ‘ aunnnita tn; the ingenious. and loofen the earth-, and in open veins and pafiages for tlietincloied , '5 water to get out; and iiltevrile lo.ng-droughtsqcaufing ‘the ground to chap and open vetydeep, tnzty prochi;:.e the fame efietft. :2. w.TreeS and woods with their roots pierce into, and open the earth, 3; Earth- l quakes often’ lhalte andiend hills in fuch manner, that, as very cre- dible Authors relate, Rivers have guihed out -at the vafl overtures, and continued running. 4. Menu lahourand even Beafis may fon:-e- ; times occafion it. Yougive use, Sir, a very furpmzing relation of your Country-than who can find out Springs by his divining Wand; and “I haveread ta‘ divertive fi‘0_ry_ to this purpofei, That 21 Conn- " try-mans I-log near Lumen./mg having turned up the g1‘O§:!‘~.‘1d about him, and continuing {iill to root For fomething he frnelt there, at e {alt Spring fiiddenly broke out in the place, and quickly filledthe L . hole he had made : The Hog, as is yufual rwiththofe creatures, laid himfelf down in it, but thelSpring_fiill increafing abouthim, he did rrnotlike hisibed, and rofe out well lfoakled inthet brine: The Sun {hining hot quickly dryed a good part of‘it,%fo“that the "white parti~ cles of Salt hung thick and lhining upon the Hogs briiiles and hair, and were very difcernable 5 the Country-man happening to hisi Hog in that condition,.and quickly perceiving that it was good Salt t that hungupon him, he found out the hole and the. Spring, and 215- A .:.=tierwa»‘rlds1digging for the convehiency of that, feveral other. {alt iSprings were found outnear thereto. J By that S3.lC".,tl'3de the Ciityt became populous and rich 5 and in memory ofrhe‘accident the Hog was falted, and cut into quarters, and hung up in the Town-hall, where it yet remains fodryed away that it feems to b_e_littlemore '_.[h3;nV;_'t'l1€SkllT. r t t And thus having-—co_ndu6ied c:urtS’ea7yvaterthroughitheihiilllsiinto (the charnnelspf great rivers, we (hall, leaye ittorunffecurely, Ihope, -j,into the Sea aga«in.;. .I_did intend to: have added fome reafonsf why ’thlS opinion feeined fo plaufihie to me, and. whatl judged molt un- _ H cc‘onnta,hle,in other hypothefes, and to have {fated and anfwered 4, home obiaecffrionsa which I atpprehendnnay be raifed; tho I can think tn” none which I judge may not be very fatisfactorily anfwered, and v;,..fcig£’i‘ii1l3Z which- I; have not herein .i made fome Conliderahle-proviiion. \t:’But-I fear:th,e pi'efTure;of the .atI1‘iOlApl1€l‘€ has«all‘o raifedlmyl Letter beyond its due limits. I (hall conclude with this requePt,That if you \ think fit to publiih this alrnolt extetnporary di:"court"e,yot1 will pleafe ‘ to have an;Eyjei to the Ermm’s of the Prels, wherein your Printer is fotnetliing remiifs and with;,_your a’ccui’tomed- candoiuri’extu{e thofe C. 3‘ zipril 9. 93. LE l7Apri1, 16 9;. l a to 7 LE 1‘ T E R XV. ‘To my tuezy goon’ Friena’ Mr. ARGUMENE tACor2firmatio;z of the foregoing Hypothefis, coticerwirzg, the Orin gin of Springs. A22 accotmt of Gravity: 7 hat it '2'; natural to e B0ta’i'é’_5, am! a plain corflgaeace of their impehetrahiligz. T h at afl Boiiies lie heavy ripen each otherfhat this -heatviaefi impartit .a refzilihearperpem/ictilar Motion. Why prqjefied Bot/ies do ' not fall into the Sim, it he the Ce;/zter of the World 9 Why .. they return to the Earth, and why their /Jotihzt is acceieratea’ in a Geometrical proportion in their Defeeat .9 Whether thefi Phaerzomena may he explained hy,/appoflng an attrac°t'ivePower in the Center of the Sim amt! Planets. That the Air and e To/Vater gravitate ox their own Elements, Why we [/0 not feel i the ,pre,[/Eire of the Air, nor Divers that the Water? a Honour-ea’ Sir, Look upon your Letter of ‘the 9”‘ of this month, as one of the greatefi favors you have beliowed upon me: fotmany ingenious men who might enrich thefe Memoirs, and the Commonwealth of Learning with very fine notions and ufeful difcoveries, hut excufe themfelves with pretended cl'il’tra&ions and bufinefs, may learn by your example, That there are hone fo great, but a ‘generous ininci, may go through them. and find {till fome leifure hours to {pend in Philofophical fpeculations. _ , I am wholly perfwaded of the truth of your I-Iypothefis,That the rifing of the water above its head or level is hindred by the preffure of the Atmofphere 5 and that whenfoever it is freed from that con—— i firaint,’ as it happens in fubterraneous Chanels, titmouft neceffariliy 1%! at firntairs fnztijz flnganionei ,,rife'iaho=ve the ground, which is heavier than it, efpecially after it has ‘ been cleanfed from its {alt and other grols and tefrellflal 13'E‘eT|71Cl€Sa which it leaves among the fands. Befides that we may conceive thefe Chanels very narrow, fo that the filtrated water cannot flag.» nate there, being {iill prelied forward by other water coming from? the Sea. 1 do not well fee what can be objected againlii fo plain an acconnt,« confirtnd by fo rnanyand eafy experiments, unlefs ittbe thatconn- nnon prejudice, that bodies do not gravitate in their proper places, as air in the/Atmofphere, water in the Sea and Rivers, (‘tones upon the grouncl\,r\t"9»c. W hence they will be apt to infer, that it’s not the preilhre of the Atmofphere, that keeps water from rifing; but that it is a natural‘ property of that Element, that it cannot rite above its head or level, as appears, addthey, in the infiance of Syphonse Ileave you to refolve that infiance, as Well as the other objecti- ons, that may be made again.-(‘t yonrflypothefis, which Ido not doubt butyou will fuccesfully perform. 1 take only for my prefent task to examin, Whether bodies doinot gravitate in their proper places? which tho it be an opinion generally receiv’d, and enter- " . (:2) Pr-in. tain’d even by the great Deflvzrtex (a), yet I hope I {hall demon.- B14. 71- 35* (irate it to be a meet prejudice, and a falfe notion. This will ingage me into one of the moi’: difficult difcuffions in Phyfics, via. to inquire into the nature of gravity; which fo many Bhilofophers have hitherto attempted in vain, for I never met with: any judicious and thinking Perfon, that was wholly fatisfied with: any of the Hypothefes either of the ancients orof; the nioderns; {o that one of the greateit Mathematicians and Pjhilofophersiof this age toldme once, That there were bodies which had a propenfity to nnite together; and others on the contrary to fly from one another : and this was-all‘we might hope to know concerning their nature. \V It would then be lofs of time to propofe and confute all thole opiniongsthat are difi"erent from mine ;_g men of their Abettors be- ing Fenlrhle themfelves,.'17hat their conjectures have no certain foun- dation. Andtherefore I {hali etndeavonr tolay a furer ground,Fand*' to take no borrowd notion for the main prop’ of my Hypothefis,., but only natural I5dea’s anddaily experiments. . II. Mdtteiszairzcampoamduqf‘ /Swami particle: flag/iflz';¢g ‘independently each other: For mattercan be, and IS‘-‘Oil divided into finch particles but if matter was eflentially one,.,,it-“coulVcl“not.be divided, and there- fore matter 15 a Compotmd, err. A 1. T/7e,fir.~"fl éodie: or particle: that enter into the compo/ition of matters t areetqf an zanimngjndéle fpmllaefx, '1Thiss appears bytheinctedible ex- tenfion, T able April, 1693. ""311 tenfion of Gold, the eflluviums of bodies, the use ‘corpufcles that malte up the blood, Nerves, and other Organs of little Animals, 6%» 3. T/Jc/e particles are a’iffere;~2t bulk and figzxre, or at /waft’ tiacame /2'2 3% their wzriom complzbatiom. ‘ - 4. Thcfia particles are £;2é,5e;4etrzzE7e, fl2[i.d mm’ tzmzétive. ll/lEitt“E:l‘ is int penetrable and unaétive, but the whole is of the fame nature Wltll its parts : and therefore the firft parts, or leait particles of matter are impenetrable and unaétive. As to folidiry, it has been proved elfe- where (4) that the leait particles of matter were indued with it: and it cannot be deny’d, unlefs we lhould admit a real infinity‘ of parts 2‘? 9’ 5%.? atftually divided from one another, in the leait corpufcle itttagitt "’ 5'. Wbzztfoezzer :35 éazlk), impenemzéle and zzmélit/e, 22: }.2eaa;?. Experia enceteaches us, That the weight of bodies incteafes in proportion to their bulk and impenetrability. A Pound of Gold is bigger and heavier than an Ounce; and a certain quantitv or rnafs of that me.» tal is lefs porous, and alfo heavier than an equal quantity of Tin, that has more pores in it. As to unacftivity, Tho the figuteand inward conftitutionof compound bodies may render them more or leis proper for motion; yet we fee that, all other things being equal, bodies are the more unaétive and ponderous, as they are more bulky and impenetrable, or have more matter and fewer pores in them. a p 6; 14 lama} dad} cannot remain in t/ye place where it is, male 5 it the under- prop!’ 5; other éodiet. For if it could, then it would have fome force to keep up itfelf, and therefore would not be unaétive. And as a. man mutt have force and life to {land up right, and much more to refi{’t the Tide, orthe Current of a River; to bodies preiiing down ea<%:hother, if one of them could witliitand that preflure, "without 4. being underpropt by others,it would have more force in itfelfalone, t 1 than that huge part of the Syflem of the?/Vorld that fhould lie upon it. N Then, you will fay, it is no natural heavlnefs that carries bodies a down, but the gravitation of others upon them. Iax1l‘wer,tTlaar this gravitationis a partial, but nota. total caufe of their fall. For if there be no natural gravity, what is it that preiles dtwxn to the center, the bodies that lie round about the utmoit bounds of this world ? It's undoubtedly the fame caufe that carries down Quit};- filver, in the Tb:-rice//ian Tithe, w here there is no lenfib§le»a;ir to prefs upon it, via. The natural unaétivity of matter, that maltes it the more unableto keep up itfelf, as it is more compact and bulky. And thereforep i ‘Q 2. i 7. mtmoitefoz. t1j_BEt1gt11iUu§: I 1-2 7. All iéodier be beat») one upon another 3 for a body’ having no 'fl‘Ol‘G8 " ' to keep up itfelf, by the fifth and fixth propofitions, it mufi be held _up by others; and if it be ltially heavy and unaciive, as well as imphnetrabl-e, and 'confequ_em...t. upon them. Here you havea plain re Atoms, or to the prellore ofthe fubtil matter... For tho thelealt particles of matter befolid, yet it _wonl them (El-lg.-‘tlfiiillj-/» rodi.vtltble. The {hbtrl matter of Defmrrempenetra. ting all bo«:lies,. and being in a perpetual motion, will rather ferve to ~ facilitate their divifion, than to caule‘ their folitlity. And tho’ the prellure ofthe air may be a partial°caul"e ofthis qualit i of heavinefs -,,.yet it appears that it is neither. the total, not even the primary cattle of it. For if you put a piece ofgolcl, or any other folid body, in Mr. Z>’o,~«le’s Engine, and then pump out the_air:, that body will notbecome the_more fluid, nor the lighter forit, But fuppofing the fitficonftrtuent particles of matter to=“be'eflEn~ iv to lie heavy oneupon another in» compound" bodi‘es,., proporti- onably totheit bulk, the number of their pores, and the quantity of a matter that is in .'tl7€f{1.,5 it follows that they muflhe folid and refill s their divilion, accor'din}g. to. the degrees of their heavinefs, or as ‘they more or lefs‘ cornprefs one another by their own weight. Thus the particles»-of Gold, and Marble being fpppofed heavy, having lefsx. pores or vacuities interfpers’d amoogl?ti’em,and,touching one another 4 in molt-of the parts oftheirfuperficies ;Gold and M;arble mull needs ~ 'Pr‘z'72c. M,z,:b.- 1’. 3 . pt‘I0p.,-, 2 O; -C Tr. de la, pef. p, I 54., 1%., be heavier and more foli_d than Lead anc_l‘_comrnon Stones.-Q As to hardnefs, in as much as it drfiers from folrdrty, It has ICS particu- lar caufe, am. the reéfitude of the l1Eil‘Cl'bO{lY., Thus Copper and ~r Steelare harder,butnot'fo folid and”full’ of matter, as Gold and l Silver are. e 8. In 4 ‘Circle’ or..S}b'kere, the Center a3='rec}@aa’d t/Je [owe/3 plaice, and‘,-a/1:5; . flmzg/at Line: dmnmffam the Circumference torke Center are eqzm/, zzrrdgi; we /bortefl rim. ma ée» dmnm. Thence it..comes_ that a body moving perpetndicularly, when defiitute of its prop, is laid tohave a-ten, tlency to the center '; becaufe on what" place foever of‘the,glo,bou,s fuperficies it may fall,.aIlraight linemay- thence-be dratvn to the » cente1°,,,eq.ual_/to my other line drawn from any other part of the, fame cit'cum{erence to the fatdcenter. I However this is not, ex: aéily true, ifiwe believe what has been tlemonliratedroflate by two « famous Mathematicians, Mf*“.Néw:an (22) and Hujgenx ( 5),, that the Earth is higher at the .tEgL;‘ator, than _ac._the,P.0lest:e for,l1ow little to‘. ESZCR’ -.2 heldaup by others, thenit tnulllye, heavy « ‘ afon of the fbliclity of b0di€s,.withOutt having recootle to the irzdivilibtlrtv and mutual complication of l d be a hard task to prove a y, as wellas , , April,‘ _' 1 69 3, L I 3 3 » ‘ezver--aglobe differs from the fpliericalfigm, the lines dra.wn.. from 1 the center to the circumference are no longer equal. e t , But here arife two greater difiiculties. I. The Sun being molt rprobablyaccounted the center of the world, and natural gravity Carrying bodies to the center, a body cait up in the air ought to fall into the Sun, and not to return upon the Earth. 2. Nitural gravi~: , tybeing an uniform caufe muff produce an uniform motion 5 {'0 that , .uo reafon can ibegiven by that principle of the different degrees of 1 motion in proieéted bodies : which when they begin to fall down increafes in a Geometrical Proportion, as the odd numbers 1,: 3, 3-,, 7,, 9.. So that if you let-fall :1 Gone at theheight of 2; fathoms, and I itruns through that fpacein s feconds of time, it will pafs through 3 4, the I fathom in the I- fecond , through the 4.in the 2 feconcl, rt 9 through the 9 in the 3, through the :6 in the 4, and through all tli€?~7 :6 " zsin the 5, according to the calculation of Ga/i/ei.= 25:, To anfwer thefe objections , Iobferve 1.» That all folid bodies emit efiluviurns, .inE=oportion to their bulk, and the rconflitution» an;lagitation- of their parts. This appears in Animals, Flowers, Plants, theLoad{ione, Amber, 2. OF thefe eifluviums fome _ I are lharp»pointed,= others blunt, fomehooked, brauched,channel’d 5 - lj fume clammytand rough, others polilhed, é‘6'.’ 3. Thef€€lH5JVi- l , iums do not all By away, but circulate round about the bodies, whence they areemitted; otherwife the virtue of inanimate bodies ~ whofe decays are not repair'd by nutrition would be quickly {perm This being~fuppos’d, I anfwer, That the Earth does continually fend l forth exhalations,to the height, at leafi, of the Atmo{phere,and per-r h:aps far higher, fince the Moon, that is commonly reckon’d 49 Semi- diameters of the earth diliantfrom our Globe, is obferv’d .to turn round about it: Of which no good accountcanlbegiven, unlefs by ‘ fuppofing that the emanatious of the earth do reach fo far, .as.{l1allP? beproved elfewhere. At prefent I defire only, Thatit be granted'- a that the exhalations of the terraqueous globe tile as far as the utmoft. ti bounds of the Atmofphere, that is 3 or .4, miles, which thei.Ph.aano-,,. mena of the clouds, rain, {how and other meteors make evident. . Thefe exhalations are as lb many rods and chains of {mall bodies a of different make and figure, one of which is falienid to l.ih€_gl‘O.Ul.'-Id“-,; and the other reaches to a certain height in the A~t-mofpherec Be -: fides thefe, there are the corpufclesof the air, which have an ela.-. {tic Vertue, and bend to and fro like tSpr~ings.~. When gawtbody is « Cali up in the air, the force of the,:,perculT&on O1.‘p1‘Qi€&iOfl,v.c0mfi pelsithefe fluidand fpringingtods to yield, «tho not iwithoutatre,-; fiftance that;q.uickly..fpencls-«and conffuuies the ptioieriting force.2[”As* «- :4 , -«—.£‘.‘.r1.,.4I.-.:.‘.- . : .-.. em, rnfitmmts fat the ihtgwtotts. T foon as this is ceafed, the body becomes indifferent to any motion befides the perpendicular, that is annex’d to its natural gravity, but istoo weak and uniform to overcome the reliftance which the bodies i'nterpos’d between it and the Sun, make to this its direction: {O that the little rods of exhalations and air, that reach from the Earth to a certain height in the Atmofphere, and thence again to the ground, altnofl in the manner of water-fpouts, tho they have not a fuffici- ent force to carry the projected body along with them, yet are “ firong enough to determine its perpendieulatrmotion ‘towards the earth: And receiving in its defcent continual ftroaksof the fpringing corpufcles of the air, its motion is increasd with thatGeomettical Proportion that we have noted before. Perhaps you will fay, That there is an attraétive force in the ‘ center of the Earth , and in each Planet, to_draw on the bodies round about them, at a certain difi-ance, according to the degrees of l their contpaetnefs or denfity; as there is the like vertue in the Sun to * attraét thePlanets.This feems at firft a very fhortcut,but the mifchief is, that the words arrméfiiw power, or via cemripem, give no diftinét Idea-, and that after having takenfmuch trouble to prove, that the Sun and Planets are as many Loadfiones, which attraét one another, we areas fiat as ever from the true notion of gravity, till we can de- termine by whatrneans that attlraétion is made. And therefore to proceed, Since bodies are eflentially heavy, -V and cannot refl unlefi they lie upon each other; it is methinks a plain confequence, that they gravitate every where, and even more in their elements or proper places than any where elfe-, their refi being (4) pr,-,,.p, there more undi{iur_bed. De/carter (4) denies this upon very weak iv. 22. 26. grounds. He pretends that there is no motion but what is circular, thatabody cannot be carried down by its own gravity, unleis it drives up another of an equal built, butlefi ponclerous; whence he infers, that the {uperior particles or water, that lie perpendicularly on the middle part of the bottom of a V eiiel, do not gravitate upon the inferior, becaufe they cannot do it, without driving up the coi- Iateral ones, which are equally heavy with them. A very {irange , Hypothefis, that feerns at firii to import, that a vefiel full of too ‘ pound of water would be no heavier, than if its bottom was but ‘ jult covered. But our Philofopher correéts this his notion, by ad- ding that the particles of the liquor that are perpendicular to each other, joyn their force with the undermofi of all, to prefi that part . of the bottom, whereupon it lies; which defiroys his former pre- l iudice, and is int‘: as much as we defire. i ’ i ‘ That przl, 169 3. That the air gravitates upon the bodies that fwim in ithas been made evident in this lafi age by a valit number of experiments. Na y . the modern Philofophers are come (0 far as to determine the degrees ' of tl]3tsgt‘aVitEltlOFi. or infiance, they can tell you, That a C0. lutnn of the whole At ofphere equiponderates an equal column of water 32 foot long. and 28 inches of Mercury, more or lefs, ac- cording to the thickneié of the air, and the fituation of the place. True it is, that whether‘ we walk, (it, or lye, we do not feel the 3 4 weight of the air. But thereare good reafons for it. 13 Air is a fiu- t l id that circulates about us, in which we move, and to whofe pref» A fure we are ufed, fince the firft moment veegvere born- We do not feel t weight of our cloaths when we are drefled, norof our co» verlids when we lie in bed, efpecially in winter time. Muff we t-henceinfer, That thefe cloaths and coverlids are not ponderous, or that they weigh more in Summer than in Winter ? We {hould he apt to think (0, lhould we follow the direéiions of our fenfes; but if we coniider, that they weregiven us chiefly for the prefervation of our bodies, and the underfianding for the difcovery of truth .- and that therefore the fenfes in this inquiry ought to be made ufe of with great caution, and with the neceflary correétions of the underPrand-i ing: then we {hallconclude with more reafon, that the weight of the air, cloaths and the like, is but a gentle preflhre, which tending to the prefervation of our bodies, is not troublefom to our fenies. Secondly, The mofi fenfible effect of the natural heavinefs of bo-~ dies eonfifis in their tendency to a perpendicular motion, as appears by the y, 6 and 7 propolitions. Whence it follows, That the weight * of a fluid cannot be felt by animals thatrrrove in it, or about which,‘ it circulates, becaufe they do not oppofe its perpendicular motion. I" would intreat thofe who believe that the air does not gravitate upon» them, to try whether they can riie when they fit, without bencling‘il their headforwards, and their legsrbackwards : or whether they can leap. up perpendicularly, and keep their bodies in a right line. They will own iti-tnpoliible, but afcrihe this weaknefs of theirs, to the conflitution of their Organs; rather than to the gravitation of the“ air, or the natural tendency of their bodies CiOWDW3l‘{l$. Howetrer ‘ in Mechanics we are forced to make ufe of divers inftruments to lift“ upinanimate bodies, and to overcome the prefiure of the Armor ‘ fphere, and the refit'tance~of-their nagtutal heavinefs. What oth’e—re eaufes can hinder the perpendicular rifing of animals 3" You have obferved, That Eagles and other great Birds, whi}ch~ rife aconfiderable height in the air, fit/im lighter and eaiier in the uptpetait, tltannear the ground. At firfi, ,l1.was. inclin’d.as well as» §"tQl1£:>-r 1.. 1. -7 you to afzribe this to th'e'magnetical efiluviurns of the Earth, which liiclt at their wings as a kind of glew. Butnow it rather think that the quantity of the air which underprops them from beneath 15 not ‘,t'proportional to the natural heavinefs of their bodies: nor to the Vail" columns of air that prefs upon them from above : which is the caufe of that {lrong and perpetual motion of their wings. whereby they endeavour to make the counterpoife. And lam confirmed in my opinion, by that {mall Birds fly eafier near the ground than great ones, becaufe the former do not lackffo much air to hear them -up as the latter :, whereas did this difliculty arife from any .attra6tive lflrrearns, it would be the lame in both VV&t€t‘ being a fluid as well as air, the reafons we have giv’n for our not feeling the weight of the air, will {erve to explain the Phae- nomenon of Divers, who are not fenfible of the huge columns of Water that lie upon their heads, as long as it freely circulates abouttheir bodies. For as this Element is more compacft than the air, its prelhure is far flronger: and therefore when it meets with fomerefiftance, as when aDiver has any leather Garmentabout him 5 it prefles (0 hard againli its that the man is in danger to be c'rufh’d to pieces. This power of gravitation appears farther in the bottom of the Sea, and of the Chanel of great Rivers, which it makes very {month and levehand the val} hollownefles it digs in the main Ocean : As likewife in dead bodies which It cafis up to the furface of the Water. Nay Divers themfelves are forced to — lead {hoes of 20 pound weight, and to hang lead plates of 30 or 40 pound upon their Shoulders, that they may {land firm on the bot- tom of the Water; for otherwife its natural gravitation ioyn’d to the force of the firearm or current, would catch hold of the firli motion they fhoulcl make, and repel them to the furface. But enough of this, for having had fome curious informations concern- ilng Divers and their Engins, I defign to referve them for a particular etter. a e }1pri1_1 8 ‘hr /LET. Occa’/iotzh and Suhjefl oj’ this Letter, cohceraihg the Omnip1'e- LETTER XVI. To the }370h0ttreoz' ,Mr. Theodore Heinfon, Fellow of the Ryal S0. A uciety. e ARGUMENT. fence of Chrz/z"s humane Nature. T he Author’: Defiga in pahlz/hing this Hypothehs. T he Power aha’ protiigioua Dilataog time of Efilzwiams evident?! in Light aha’ Oz/ors. That God can make an human hoeiy, of an horz/inary Bigzaefi am‘1Statare,, that [hall he ahle toifill the whole ?/hirverfe with Emahatiom‘; That Cllriflis Body is the mo/1‘ excelletzt of all. That the -Perfeéiion of his Nature, his Union with the Deity, the Go- wtvernment of-the World, and efpecialiy the Saafli/fcatiohof “the Elefi, rzeceflariflyt requires, thefe pro»:/i,r{iozza' Emanatiom, /7f'0jZ1’tl~ hy Reqfon am_/Scriptttret Howet/Jeje _EflZu72ittm~5”moy he exhal'e/ without hwafling his Suhffahce, or ehrlaugering the" Texture of hisflzcreti Batty. T he Dofiriae of C oiofahffantiation rightly um/erffooa/, is notjh ahfitrt/, as 'ti5 thought hy many. ]{o;oo7tree1Sir, i i ' V Ihce the day of your departure, -V\ hen you promis'd me (0 ob-* Iigingly, that yourabfence thould notdiminith the Friendihip youhad-fhew’d me here: lhave often wiflfd that I could meet with a Subie./St fit to entertain you. But the fenfe of my {mall abilities made me almofi defpair ever to find out fuch curi.o,us and impgrtant obfervations, or to handle them {'0 well, as that they a R might apeentn-itsfoz the ingenious- Ill 8* ‘might beprefented to lo nice and judicious an inquirer in Pl]llOfOr , pious man, a.ndaMember of the Church of England; And Wl'iO?‘- fophical matters, as you are- And thereforel would not let flip the occalion of orYerin~g you the folilowing paper, which I have receiv’d~ from a very ingenious hand. It refers to an Article in which your Church is lzighly concerned, viz. the 0mm'prefeme of Chrifitvlmmamee Nizzure, of which it endeavors to give a Philofophical and rea{ona- bleacconnt. All that I can lay of the Author is, that he 18 a very knows but there are others of his opinion ; which Icould heartily with, as likewife that this exphcation were reliflfd by your Di-i . vines. For the mlifunderliood Dodtrine of our Saviors Omnipre-y fence, which is the foundation of his real prelence in the Sacrament, has been hitherto the liuzmbliitng-blocks of the Proceflanrs, and the chief, or rather the only wall of feparationt between our Church’es., How happy wouldlireckon rnyfelf, if, by the publilhing of this Hypothefis, I might contribute fotne,tlting,toa happy reunion Bur, Near, I flatter myfelf witha fruitlefs hope, and our fins are yet too powerful , nottotum afide the celeflial influences oflpeacei and”, moderation, which good Chrifiians labor to infpire in our breafls. However, let us hear our Author. ., . » There is one Eternal God, ianfinite, in PoW€t,yi.Wifdom.and Goognefs; difii'r1g~uilh"d_li,nto Three_.Per_fons : Fathieirfl-,-Son,and Holy‘ o . i, ‘ V . c ‘ The Son of God is infini’tely beloved: by his Father. l Infinite Love and Goodnefs, affified and clireéted: by iinfinite Power and Wifdom, cannot fail to provide for its befirbeloved, the belt: and molt :excellenet things in every kind, thaetthe beloved. is ca- pable of; efpecially in fuch things, as he mufi haveavery nearirelais tionto,i and confiant and continualufefor. * s - 1 _ Wherefore ifitbepfoderermi,n’d,, that the_,Son>of God (“whom we alfo call the eternal 2t6g,,o.;) muff have a body infeparably united to’ him, it}mu={t be, excellent. ' e . \ The more aclive any body is, themoreexcellent it is 5 provided: that acltivity be not de{lru6tive,. but beneficial, to, and perleftive of its own. and other bodies: Every degree of a~&i-Vitfy'.,ElllJS quali- fled, adds a new degree of exeellency. i i Thesimmediate caufe of the adtirvity of any body, are the Spirits that are in the faidbody :' when thefe are in at great meafure ex» haufiedyorrtmhaledg the bodybecomes dull: and languid. 5; whenthey mg ag;;,i;y,gecruited,, it becomes lively and at?ctve.. ‘ r B9! of all bodies t«hat can be producfd, the molt?’ ’ V April, 1693. H9 By thefe Spirits flowing out of the body/i=’(therei”ore called fila- 2/id, or Emanations) it operates on other bodies locally diflant room it. Thus the Sun by his Raies enlrghtens and warrns the air, water, ‘ and earth, witrh allthings therein. The Loadflone attracts iron: Jet, Amber, Glalfs, and many other bodies attract Straws, Chafl; era. ‘Otioriferous bodies afleét ourOrgans of l’mell April, I;693- , I 29 who lived: Before the incarnatinn of Chriii, were regenerated and fanétified by; _I fay fo too. Nor does this conceiiion fu'overt,,or any way preiudice my Hypothefis, if the anciently famous, and com- , monly received tradition ofthepraeexiiience of Souls, particularly, of the Soul of the Me//Yak, and its union with, and acting intan ZEthereal;hody. be allowed; andithis we muff allow, if we will make fenfe of hundreds of paffiges in Holy Scripture. And we tnufi grant too, that the Ifmeliterof old (a nd ii'they,why not others), W-eremade.pai:tgkers of the fame body. This,. I ifay, we muii grant, if wezwiliiiick to the literal fenfe of Scripture, -and not wrefi it by our own interpretation. For 'tis the aflertion of the ApOflil€.- 1-Corr. IO. 3, 4.. That they (the Ifirae/item, who came out qf Egypt), did i_ yallxeat (ft/01? fame I/pirimft/.mmt,omd did all driméojf the fime fizirimal drink: ‘ fur t}2ey_draxl< of that finrztzml Rock that ft:-//owea .t/rem‘; And that .Ra_c/e. . mu Ci—lRlST- ’Tis certain that the Marina which they iaw,-..angd_ , felt,and taiied, and with whichtheir bodies txrere:nntrrriC»?1t, was jrtotr fpiritual meat nor was the Rock that.Mofe: {mote his Rod, .3. fpiritual Rocks,.or- the water that flowed out of it, fpiritual drink; any more than theconfecrated bread and wine imhe Holy Eeucharirfi, . are the very fubfiance of the body and blood of Chriii. But be- fides, and in, or together, with this bodily meat and drink, they r dtidrbartake of truly fpiritual meat, . and did drink truly wfpiritual 7 drinkg- evengtheiemanarioris _of the fpiri-tual Rock. that “followed : them. Thematerial Rock did not follow them, tho the water did; i but the fpiritualRockdid.botl1-f"o’llovv, and go before, and over- {hadow them-, in the epillartof a. cloud, in which alfo they were bap-» tized, '21. 2.. Andtbizr Rock WM.C}{R1ST.~ Cbrzfl, Ifay, not as he is God, for ‘ fo he is-not iClarz"§%, g nor can he in i'efpe§: of his Deity, "be progerly {aid togfollow.,or tomove A Creature whofe body was then whoilyflthereahor fpiritualmvithout any firmly organized center. "He has Hill the fame hndy,tho in part, at * from place to place but as.he,.is'a , leafi otherwife modified :, and perhaps very much augmented by the A converfion of other” bodies intoihisrown fnbiiance. Brit to remove all fcruples concerning the poiiihilityof this Omni-e prefence youmufi know,Tnat be the univerie aslarge as out fancies can make it,it willnot require fo itnpetnous a firearm ofernan;-ttions to fill it,no not by many millions of degrees, as hithermour Hvnorhefis x jfeemssto make neceflary.Eorfuppofing,tfiebody of the hltfi':d yefm * placed in the center of the univerfe (or wherever ’tis his pleafure to be) we need not fancy that the end of the ray mtiil: reach the , utmoft bounds of it, the very nextmoment 3i.{€1“-‘lt ifihes out .0? the 1 body 5 not the..nex.tminute,,rothnut. 2 Porthe univerfeaonce fil.led»;;: l with .’.~ i aamsrtaazaa aaaama.i with thefe emanations, or with thefe fpiritual bodies,for fo I’ll make bold to call them .- the 1lniverfe,I fay, being once filled, does, and always will continue full of theme For they cannot beannihilated, or changed into any other fubfiance; and they will be always kept in motion by his foul, which is ever, and every where prefent with, and inthem, to direct, regulate and moderate them as abovefaid, Perhaps ’tiS neceilary that they be circulated anew thro the glorified organical body, together with the emanations which we may {up- pole to be extraéted by them, out of thofe bodies that have been re- generated, and in fome meafure fanéitified by them; efpecially fuch emanationsas by their operation havebeen {trained out of thofe bo- dies in fighs, and groans, and pantings, and breathings after Chriii, in heavenly ejaculations, fervent prayers, and hearty praifes. That Io both forts, now intimately united, may by the {aid circulation, acquire a new degree of purity. . "Thence I conclude, That the Iammme nature of the blejfid Jefus £4 real!) and fuéflantin/1) prcfent inset/er} part of the Univerfe, mm’ 5', in con- , jtmftion with /7.73.: Daft}, the Principle of fpiritzml life in all true C/ariflimtt, by the way here defcribed, or by fome other more excellent. But if he be fubftantially prefent every-where, much more in the Holy Sacrament of the Eucharifhthe elements of which he has been pleafed to call his body and.blood ; and which, as all Chrifiians agree, is the chief Chanel of his Grace. And therefore the Doéltrine oi’ Con- fubliantiationrightly underliood, is 1'0 far from being abfurd, that it feems to be the moi} probable account that can be given of our union with Chrift in that Sacrament, afierted by Calvin and other reformed Divines. Lat’: ofall. if this me only be made of the fore- going explication, not to ridicule or defpife our Brethren for an opi- nion, which if it be not true, is at leaft as likely to be fo, assany that we hold 5 then I have as much as I defite. April, 20”‘. LET-, - e _>;g.3.__; ,_, _ . . . . . .. April, 1693. re; LETTER XVII. To my very good'Frz°e72d Mr. Gawdy. ARGUMENT. That the mode/2‘ puhlzjhing of new Notioh: in Philofiphy is not to he condemned, provided they he not hurtful. Whether the Hzffory related in the XI Letter of thefi Memoirs, was a Vzfloh or a Dream 2 Three‘ thing; that appear certain in thzk E17} pothefis. T hat the Cre atitm of dzjferertt Orders 0f Spirits, isnot repugnant to the gaodhefs of God. “ s .9‘ I R, i ~ Y'Our iobieétions are (0 folid and ingenious that I lhould think my {elf engag’d to anfwer. them, tho they came from an unknown hand, but much more now that they are ofi'er’d to me by fuch an obliging perfon. You feem to diililte my inferting in thefe Memoirs anHyt>othe-‘ fis, which I call a Vihon or a Dream 5-, hecaufe you thoughtl would advance nothing but what was detnonfirable. By your leave, Sir, Iido not defire to be fo narrowly confin d. for matter would quickly failme. It fuffices, methinks, that I plainly diflinguilh between» what I intend to prove, and: what I only give out for a probable coniefiure. Thus I ufe a very different fhle, when I impugn the me‘: tended infinity and fulnefsof the world, and {hew that motion is‘ impoflible in that hypothefis .- when I endeavour to de{’croy the Vor- texes of Dér;C'tzrte:, and toallert the eflential gravity of bodies: then»: when Fptopofe my conjectures about_the caufes of the flood, the {hortning....of mens lives, andxthe furprizmg efieélts of the divining Wand? And why fhouldl not be allowed modeitly to publiih my notions, as well as other Wi'iters, efpecially fuch as meddle with Me- taphy_fics.and Natural Philofophyg fincetho Iswere.mi{taken,ta.yet they a " , - , :32 %Bm0i’l35 ft; 1332 lgtigfittiflltfi. may give fuch hints to others, as may facilitate the difcovery of the ’ Truth. ,1 amfo fromtbeing over-fond of theC’~mefit»m Sy(ieun,that I believe it erroneous in m‘Oit'Of'1tS aflerttons; however I am confi-A dent thathad not this great man traced out a new way of l?hilofo- phizing by his ingenious and coherent guefiings; we {hould Pull be in- fatuated with the occult qualities and fubiiantial‘l’orm"s of the Pe- tipatetics. Butitocomeicloierto-tthe purpofe': As to‘ the matter of {ad}, I ma’ylafl"ure you that lhave dreatxfd, not the very words of my ‘Xi % Letter, but fomewhat very like it. E-iowever I am uotfure, whe- ther there was tomething {upernatural in it, or whether it was a vi— {ion or dream. {.3 that the foul whim -I am aileep, does not find a {uflicient quanti- tyof them to raife ideas and fenhble perceptions, But when lchance to dr.ea,m, my perzceptions are very clear, and In a manner more feufl “le than when I am awake. Thus it may have happened, That my a imagination being overheateelthy an earnefi defire of "unravelling that great Myilery, the eflential*difi”erence betwixt man andheaét, my foul gathering upthe remaining fpirits, formed thofe lively ime prefiions and difcourfes, which I have related. . The only difficulty is how we can get new notions in a dream, ~fuPPQling itto bepurely natural, but this difificulty will vfanilh, if. we coniider,iThat the foulis in lb-the refpeét a free int'elligeut’b'e- ing, and thather progrgefles in the diiizovery of the truth are ftoppd chiefly by the weaknefs of her body, and the. di€h'at?tions of external Obi_€L9:S5.{O[l33.C_ii1 thefleep, when her hody is quiet, and external. objects leave her undifiurbed; the may more freely’ contemplate ‘ her . Ideas",‘”and complicate them in {uch arnanner as may unravel great‘ myiieriesg provided always there be a ihfficient quantity of vital‘ fpirits to render her operations fenfible to us. Daily experience con- firms this conje€tute by theiirange notions we have in our ,dreams. -I own they are mofi ofrhetn iulignificant : 1. Becaufe the foul itfelf doesoften mifialte. 241?, Becaufe the vitalfpirits are fometimes too unruly, and toomuch uslrl to certain motions to obey thecommands , of the foul. 341$’, Becaufewe do not take care enough to keep our mind free froth prejudices, and our heart from paffions, to be ina fit Rate of diicovering the truth during the filence of the night. ‘ i As to th€’H’yp-i)tllE:fiS itfelfi there are three things that appear to me uncouteliably true, and even demoniirable by Scripture and rea- gfon. ii. That God created Spirits before bodies. For befides the teaions I have alledged in the {aid Letter, it maybe added, Thfitt n . t gt .6 Forldteam very feldom, becaufe Ifpend moi’: of my fpirits, whilel am awake, in hard work and firong application: April, r1693. 4 13; ‘the ii'acred’Author defcribes the work o‘EtheCreation,as fucceliive and begun with the highefi and mofi excellent be.ings.as the light, the fir- mament,the Prars,e§~c. Now that Spirits, that.is,~thinking, penetrable andaéiive fuhPcances,are more noble than infenfible, impenetrable and unaéiive matter, is altogether undoubted. Neither is it lefs plain that the goodnefs and Wifdom of God, moved him at firfi to cre- ate fuch beings asfhould bear illulirious charaéters of his perfeéiions, and might be fenfible of his benehcence. .2. That fome of th.efeSpirit_s have been difobedient to their Cre- tor, is atruth clearly revealed in many paflages of the Holy Wrr t. And thol confels that the manner of their rebellion is not [0 plainly a~ fet down,,nor what kind of punithment they have undergone forit: yet if we conlider, 3. That God is all wife and immutable, that his Laws are (0 too, and therefore that-thefe his Laws, at leafi fuch as are the founda- tion ofall.Societies, are as unchangeable as himlelf .- We mu{’t un- doubtedly conclude, that that excellent fummary of Morality, to love God with all our power, and our Neighbors as our (elves, was i the abridgrnent of all the Laws which God gave to the Spirits at‘ their firfl creation: and that thefe Laws had rewards and puniih- ments annex’d to them fuitable to the nature, {tare and condition of thefe Spirits. » All this,1 hope,will not be deny’d by any Chrifiian Philofopher : but I own that the-refi of my hypothefis does not carry fo great Cha- i racfiers of evidence. For inliance, as to what I fuppofe that thefe fpirits were created different in order and dignity, fome being endur- ed with highet degrees of knowledge and power than others: it may be laid that this notion repugns the goodnefs of God, ‘who is the common Father of all his Creatures, who pours upon them the treafures of his beneficence with an equal liberality, and puts no dif- ference betwixt 'em, unlefs he be obliged to it by his juflice. C However itmay be anfwer’d, r.ThatGod is all-wife as wellas all-. good, and that his fupream wifdom appearing more fenfibly by an unimaginable variety of Creatures, than by an uniform Creations: if this variety can confifi with his goodnefs, it mufi: be the mofi per-— feéi way, and confequently that which God will chute. -'2. This variety may be conliiient with his goodnefs, if the pleafure that there is in the acquilition of knowledge and power. as a reward ofhaving done our duty, be a fufficient compenfation for a longer enjoyment. Pray ask thofe who have had the happinefs to difcover fornerevident trtith, whether they would have been born with that knowledge? or whether to find out fomethiprg certain and out of the commtén A ‘ . S s r - . zroa rV?34r fifiemoits for the" filngznious. road, does notafford a greater delight to £h€it.S_O!Jl, than any things they are taught by others? Now the lower Spll‘l[S WEfE.DY~OUl‘~ fup-s paofition, in a capacity of increafing their knowledge by their medi-i ration, antltheir power was to be augmented in proportion to their light; fo that they were in a Hate ofenjoymg, alrnoft continually, the inexprefllble pleafure of‘ making tliiicoveries : and‘ therefore in rerfpeétof lrappineifs, their condition was not worle, than that of?’ the fuperior Spirits, which is all that a thinking» being can defire. The Hypothe is of - the variety of ‘Spirits is not only very rational .. butfor ought we can judge by the fifate ofthe prefent world itfeemzsr to berthe-strue one.. For note? to {peak of mfenfible tlungs, whofen difference can only conlift in the various complication of their parti- ~ cles, we. may obfervelife and fenijbility growmgup by degrees, from: the.~grafs of the field to the-fenhtive plant, from an Oylier to a Mermaid, and from a Worm to an Ape.» Iwoulcl alfo allerdge that fitrpendousvariery, that is to be found gamongltr men, even of‘the~ fame temper and education; but that I do not defire to engage into « thatfamotls controver-fy, VVhether this differen-Ce proceeds from their various conformation of‘ their Organs, or from the different natu‘re~ of their Soul. I never was more difpleafed atmyt being confin’d to a certairr" number of Sheets, thanl am now, that my Printers tell me they have matter over and above; {o th’at=l* am forced ‘to _breal-ruff ab- rnptly, and todefer the farther proofs of the drfhnéhon of_Spirit$f~ into feveral Orders, and toe anfwerto your other ob_reé’t1ons till anos tlher ttimet Apri!,« 2 5 “H F 1’ Na I.” L The CON T E N T S. Eetrter. "X-IV. xfnem ‘Hyper/refit’ concerning t/cc 0.t€gin ofSpris1g.r,,.t I or Letter XV. Another concervrziiq G'm7xz't]. ' :09» Letter XVI. /I P/at’/ofap/:z'c4[ Alccozmt ‘ the Om-rzzprcferzce of Ch}-i ’; /mmzmc Nntpxre. {getter X.V,;I, Of t};e.S::éordr’mztion 0f\S[71'rz't.s'.'::, 131 Errata; for filarchi P.,9z.,1.; 3 3. Erlipfe: r. Ellipfiar. p. 98.1. 4 difierid r, defer?;!, 99.:1.?5,6-.’z'n rm Lin 31.1216’;--'. / 1mummvtiaififyfififlflfifii flfilllllllllllfilllll