Front MatterSource: Philosophical Transactions (1683-1775), Vol. 52 (1761 - 1762)Published by: The Royal SocietyStable URL: http://www.jstor.org/stable/105576 .

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The Royal Society of London

PHILOSOPHICAL

TRANSACTIONS

Volume 52 1761 -1 762

Repnnted by perrnission of

The Royal Society of London

KI)ATTC D9DDT\TT ltrv u o. ltLr 1t11 1

CORPORATION

JOHNSON REPRINT

CORPORATION

NEW YORK

1965

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Th Ro 1 Societ of London

PHILOSOPHICAL

TRANSACTIONS

Volume 52 l761-1762

Repnnted by permission of

The Royal Society of London

JOHNSON REPRINT

CORPORATION

KRAUS REPRINT

CORPORATION

NEW YORK

1965

This content downloaded from 193.105.154.10 on Sat, 17 May 2014 14:17:38 PMAll use subject to JSTOR Terms and Conditions

The only official reprint authorized by

The Royal Society of London

Printed in U.S.A.

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- r- r

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P P H I L () S O P H I C A L

TR AN SA C T I O- N S, GIVING SOME

A G C O U N T | OF THE

Prefent Undertakings, Studies, axd Labours, o F T H E

| INGENIOUS, I I N - M A N Y

Confidble Parts of th-e W O R L D.

V O L. LII. PAR T I. For the Year X76 x .

- _ ... .. Ts

L O YD O N: Printed for L. D AArI S and C. R Z RF M B R S,

Printerg to the R o Y A L S O C t E - Y, againflc Gra's-Ixn Gae, t Holbor.

_ - . t.,

- M. DCC.LXII.

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A D V E R T I S E M E N T.

THE Commietee appointed by the RoyalSocief to diredc the publication of the Ph;i',lJphical

S@rarfaSios, take this opportunity to acquaint the public, th.lt it fully appears, as well fiQIn the council- books and journals of the Society, vs from repeated declasations, which have been made in feveral for- rner 7@ran,/aons, that the printing of them was al- ways, from time fto time, the f1ngle ad of the re- fpeecive Secretaries, till the Forts-Seventh Volume. And tisis information was thought the more neceXary, uot only as it has been the common opinion, that they were publifhed by the authority, and under the di- refltion, of the Society itWelf; bllt alfo, becauSe Several authors, both at home and abroad, have in their writ- ings called them the! franSaSions of the Royal Soczezy. Whereas in truth the Society, a.s a body, never did intereR themlelves any further e in their publicaiion iars by oc-car1onally recommending the revival of them to fome of their fecretaries, when, from the par-- ecular circumtiances of their affairs, the l'ranJWions had happened for any length of time to be intermitted. And this feems principally to have been done with a view to I*atisfy the public that their urual meetings were then continued for the improvement of know_ ledge, and benefit of tnankind, the great ends of their firR inRitutiors by the Royal Charters, and which they have ever fince IVeadily purfued.

But the Society being of late years greatly inlarged, and their commllnications more numerous, it was thought advifeaSle, that a Committee of their Mem- bers ihould be appointed to reconfider the papers read before theln, and feled; out of them fuch, as they

Vot. LII. a fhould

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A D V E R rr I S E M E N rr.

ffiould judge mo{} proper for ptlblicatioll irz the future franfaffions; 'which- was accordingly done upon the 26 of March 1752. And t-l}e grounds of theirchoice areZ arld wiSl continue to be, the iwortance or fingu larrty of the fubjedrs or the advantageous manner cxf treatxng them; without pretending to anfwer for the certsinty-of the fafts, or propriety of the reafoningsy contained in the feveral papers fo pbliShed, which mutt llill reR on the creMlt or iedgment of theit re- fpedrive authors.

It is likewiSe neceMry or} this eccafion- to remark,, that it }s an eRahlllhed rule of the Society, t-o which they will always adlserey never to pve their opinton7 as a body; upon any filbje&, tithe-r of nature or art} that comes before thetn. And therefore th-e thanks} ivhich are frequently prwfF fram t;he- chair, to bt gIVen to the authors of fuch- papers, as are read at their accuMmi meetialgss or to the pedons, through. whole hands they receive them, are to be confidered n no oier light, thaa ss a mattr of civilitys in re--

tum for the refpedc ffiewE} to the Society by thofe com-menicatlontw The like alfo -s t be taid wii regard t the-fitveral ptdjeds, intentions, and curio- fi"rs caf variois -3ttiss which are oSen exhibited to t}.e society; the- authers whereof, or thofe who ex- bibtt them, huent-lys take the liberty to report, and even -to certi;FW in the- pblss nepars; that the3t have met svith the higheR applauSe-an-d approbalon. And therefore ;t -is hoped, that ns regard will- here- aiter be prid to -fuch reports, and ic notices > wKch in fome inIinxs have beeh to li#*ly Grew diteds to tli¢ dionour ti; ti S¢tyt

C O N

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=

C O N T E -N T S

T C)

PAR r I. Yo LX LII.

I. AN3rcoant of thc ge of hrze xn f eng * Banfis of Rivers * In a Letter to the Rcserend

Stephen Hales, D. D. F. R. S. from ti Revereni Mr. David Wark. p. X

tI. Xn dacrozgnt of a temarkafile Halo: In a L8ter t the Reverend William Stukeley, M. D. F. 22 Ss

from Thomas Barker, EJeq;- ̂ p. 3 III. >4n^ilcaount of a Mefeor feen in New Englandt

and of a 7Yfelt in tbaf Cxxtry: 1h a l:ester to tbe Rev. Tho. Birch, D.-D. Secretary to the RoyaZ Society, fram Mr. John Winirop, Profefior of Pbi- loJ^opty at Cambridge in New England. p. 6

IV. At Letter from tbe Sverend Nevil Mafkelyne, S. M. Fellot of Tritaty CoZlege, in tbe Unit3esr* sf Cambridge, anl F. R. S. to thc bverend Dr. Birch, Secretary to tbe }Zoyal Society; coaining a fZbeorem of tbe Xberrgion of tbe Rays of light re-

fMted tbroggh a -Lens, on accoant of tbe Imper;*on of tbe.Jpsherecal Pggare. p. s7

V. ExtraS of a Lerter f rom the XbbuS De la CailE, of the Rgyal Arademy of Sciexces at Paris, anl F. R. S. ts William Watfon, M. D. F. R. SX recommxding to be Reverend Mr. Nevi-l Maikelyne, F. R. S.- ta

a 2 mv

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C- () N T E N T S make vt St. Helena a Sertes of ObrervaZiozls for diJ-> covering the Paralls of the Moon. p. 2I

IJ. AerterfromtbeRev. NevilMaIkelyne, M.-¢ F. R. S. to William Wattion, M. D. F. R. S. p. 2-6

VII X Di«rtaSs upo7 a Samnite Denarius, never before publifed In a I.etter to the JRes. Thomas Birch, 1) D. Secrcrary to tbe Rotal Societ, firm7n tbe Rev. John Swinton, B. D. of -(z}zX0-Churchy Oxon,*R.S. p.28

lIIII. iMn iMccoant of r Emptson of Mount Vefusius: In a Letzer so Philip Carteret Webb, Mq; F. R. S. >7n Sir Francis HaIkins Eyles Stiles} Bart. JE. R. S. p, 39

IX. Anstlver Arcwtmt of the jr4>ne Eruption of Mourlt Vefuvis: v v! Lerfer tQ Daniel Wray, Ef; :F. R. S. fiwn Szr Francis HaXins Eyles Stiles, Bart. I?* R. 5. p. 4 [-

X. ExtrS 6f a LetXer fin Mr. RoSert Mackinlay, to tbe Right Honoarable the Ectrl of MortoX F. R. S. duted t Rorne,. the gth January 176 1:, concornag tbe late ErXpzion of ll&nt Vefuvius, and tbe JtoZvery of an antunt Staeze of Venus at Rome. p..+

XI. S>Letter to tbP Rev. :Dr. Willianu.8rakenridge, Redor of St. Michael Bafl*lShaw, London, and F. R. S. anncentZ'ng the Term awd Pertod of Huw7,an Life-: Ia qwXisb tbv X epafiities t'n cwxjPrE'ng, a>d tbefi70e ConclS.Jsons drawn from Dr. Hall-ey's Brefiau lFozbAe are fully proves{; tZue Jipfed etraortinary Healthfulnefs of that Places zs pozrscularSy examxneds and confuted; and ia real State evalled hy divers P/aves tn England; the IaperfHion of all the CableJ

fXrned upon IOQO liVPS issewa;- and aMetbad ,tp.dJa

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G O N T E N T S. sropoJed to obtain one tnach better: By T. W S.M. p46

XIIJ Experimevs on checkxng the too luxHant Grotb of 75rzt-fJrees, terding to dxJpwoJxe tbem to cc Fruit: In a Letter to Mr. Peter COzIinffonX F. R. S. frorz Keane Fiegerald, Eg; F. R. S. p. 7I

XIIf. Sn Hscotzv of the Urtica Marina: Ias a Letter to Mr. Peter Collinfon) F. R. S. from Jofeph Gaertner, M. D. p. 75

XIV. X Catalogue of tbe Fifty Plants frcm ClelSea Ca-rden, preftnted Zo tbe Royal Society ty t6e wor- JhifuX Company of Sporbscaries, for the Zear I760s purJouant to tbe DtreAion of Sir Hans Sloane, Bart. Med. Reg. JS Soc. Reg. xzgper ProJes; ty John WilmerX M. D. clarif Societratis PharmaceutX Lond. Soc. Hort. Chelrean. Prtfe2as &R Pr6t1eAor. BoZanic. p. 85

XV. An Accoant of the Cicuta, rsommended ty Dr. Rorke; 6y V9illiam Watl(3nX M. D. F. R. S. p. 89

XVl. He Sccou.at Gg an Anthelion oertFed near Ox- ford: In a Letter fo tSt Refv. Th4. Birch, D. D. Secretary to the RoyaJ Society, from the Rev. John Sv?inton, Bs 1). ot Chrifi-Church, Oxon. Fs R. S

P 94 XVII. 2 24rcoun!-of a Prndv2zon of Nature at Dun

bar in Scotland, like fhat of tbe Giants-CauSew.ay in Ireland; by the Right Retuerend Richard LGrd Bihop of ()Jory, F. R. S. pq 98

XVIII. An Hscount of a remarkabAe Meteor Ren vt Oxford: 1Za a Letter to the Rev. Thomas Birch, D. D. Secrerary to zbe Royal Societ>, fiom tEe SRss. Jc)hn Swinton, B. D. of Chri&-Churcll, Oxon. F.R^S. p 99

XIX.

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C O N T E N .Tt S XIX. Jx Asount of Jome Prodvfhens of Natxr fft

Scotland, re§g tbe Giants-CauSeway in Ire- land: In a Letter to tbe Right lReverend Richard: lLord B of OSory, F. R. S from Emantlel Mend@z da ColEa, F. R. S p. I03

XY. Eleme7Zts of atew lbles of tbe Mooa of Jupiters SatelZites: Ix a Letter to the Res. Charles MaSont Mafion., D. D. VVoodwardian PSfefpr tn tbe Unz- u<ty of Canabridge, and R R. 5, Jkm Mr Ri- chardrDt}ndlortle. p I0g

RXI. D@r?o de Zoophytis, q w R Socxetuti Saunnaram Angll2 legendaw et ygdwdam probef Job Bafleh Meds Do2Dr. Aad. CsJ: Rg. Soc Angl. K Holland. Sacias. p. 108

XXIf. Xn 3ccoz4nG of an anXmen Pb<.namenon 'n Derfetlhire: Inateurfrom JohnStephens,,M.-¢* to Emanuel Metlda da CoRa} F. R. S p. X Ig

XXlll. Xddinofwal Ofiferfuvfions upon Nme Plates o,+ sabtte Gla/9 fSnd S Herculaneum: bg a Letter to Charles Mortoas M. D. R. S. S. By J. Nison, S.M and 1?.R.5. - p. I23

X;XIV X Dien of tbe QppbasF In a Letter fror D. I<yfons, M. D. to Robert More, Bj;

FF Rv S. P 1 3 5 XXV. An Eszrvfl of tbe R<gi/Rer of the- Pwr of *

Holy Crofs in Salop, frsm Michaelmas 1 750 to Mich-aelmas - X 760 : Commgntced by Robert More, :Ef; F. R. S. p,, 40

XXVIv J{7X kount of the ake at Li*OIl, 3 I March I 76 I . In a Letter f nm thfflce, datd the 2dApril I76t, tA JoS-eph Salvador, E%qi FX R. S

pw 141 XXV1I.

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C O DJ T E N T S. XVII. Jaoti-r A=oun of tbe jaw Eart: In

a Letter Fom Mr. Molloy, dated tbere Aprit 3, I76Xs to hme EtzgeraldX Egq F. R S p. x42

XXVIIIW X Srtber ant ef be CaJew of William @q, whofe P&fcles began to be d: Ia a Letter t4 tfse Ribt SnX tbe-Lord-(;adepn, F Rw 5 f m t^¢ R<7 William Henty, D. D. F. R. 5. p. I43

XLX. A Dp6;on of a new Xerwnom8er and Ba- tontAr: 1k- iz LKt to tbe Right Hon. George Earl of esMield, Predent q.f tb RwyaZ Society, K"nt Fitzgerald, EJ; B. RX S. p I46

. Xn Accognt af Xbe Eart^aS felt zn tbe Umd of Madeir^- A1X.* 3t, 1761-,: ty Thomas- SIe- berden, M. D F. R, S Conxmgntcvred -WsIliam Heberden, MO D. i. R. S. p. I 35

XXXI. ̂ ACQ-t Qf a ife *n LaiX tfted to tbe Royal Sonety, intitaki, De admwando Si- gore a*6ficialis quo memunus eR xngblatus, dS- fer, 8Z. a .} A. Braunio, Acfademsa Snti- anlm Meml, &c + W:illianx Watfon, X D. R.s*Su - p. 156

11* 00 ow the i;+ of Venus owt the SunX ot tbe 6tS of June 1-76 X : X a Leaer to thc Rp Hon. George Evrl of Macclesfields Prefident of tfie Royal Swity, fiam fbe li. Nat:hanad Bli6, A1. X Satsin Par af o *n be Ui ,pFof ord, VF 1v. S. - p I73

XXY=I. A f xhe T;anft bf Yeaus mv tbe

- Sgn, ot Saay Z"nag; 6tb June 176XX at - - .

SaulW , *Xt 8ts of Sme eS of St haltss Londbn. p. I78

XXX1v Gn the tran#t f Venes, June

6tb, s76t} di k SpisluSvare; tbe Longe 2 of

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--C O N T E N T S. df Zuich is 4t I Itt Mel? of the Rcyal 03frvafory vt GreenwicTi, - ard the LatiZzede -5 ° 3 It l 6'/ Norzh X byy }ohr] Canten, M. H. vZj F. R. 5. p. 1 8z

vXXXV. SomG O^Jers ations of the PIaner lTtenus, on the ZDzpe of the Sun, June 6th, 1 76 -; fflwgtb-a precedzng a#ccoune of the Method then far fs-erifying the tssse of that Plsvo-mefzon; analvrrtain Rea/onsJ!or a* =4t- tnoJphYe abst Venus: By Samuel Dunn. p. I 8+

XXXV<>l. Sn Scco! of zbe ObJ>ervatiors ynade oo the fIranft f Venus, June 6, I 76--1, in the I/land oJS St. Helena: Ia a Letter to tbe R1ght Gcn. George Evrl of Macclesfield, Prefdent to t/e Rotal Sociery,

fioon the Reeveend Nevil Maikelyne, M. H. and -F.R^S. -- - - p.I96

AXVII. Sn iMccoant of the J"ame T>ranf; by fhe Rs. Mr. Itichard Haydon: In a Letter zo Dr. John Bevis, M. D. - p. 203

XXXVIII. ObJervations on the fiame frarrt; and on anEclipfeoftheMoon, May8, I76I; and7ofthe- 'z4n, on the 3d of June I761-: In a Lefter fo the Rev. Thomas Birch, D. D. Secretary zo the Royal Society, yrom Mr. Peter Wargentin, Secrefary tQ tte JRo^oal Scadeny Qf Sciences in Sweden,- and F.-R. S.

* p. 208

XXX1X. An Account of-the ObJerqvations tnade on th^- J awe TraxJ"ff-in Sweden: In a Leaer frog Mr. Peter Wargentin, Secretary to the RoyalAcademy of Scieaces in Swedeny and F. R. S. to Mr. Joka Ellicot, .--F. R. S. 7JrasSatedfrofn tbe French. p 2 I 3

XsL. ObWerquationis Verleris Xlub Sole sx;/, habit Pa- rifiis, die 6 Junii 176I, in palatio Lusemburgii, zzas Regiar Saaietati Londinenfi, evenerafeanis J?ae

iS, ofert Hierqnoymlls De la LLandeX Scads RegF

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CONTENTS, litett Scent. Parifina Socvs, Regiive heFs p p ZI 6

XLI. Aii Acnt Qf the ObJ2rvatxons on tSue fAsze Tran/it, tnade in and -r Paris: In F Letsr from Mr. Benedid Ferner, P<or ef A vt Up- fal, and F. R. S. to the RR.- Thomas Birch, D. D. Secretary ta the Bwoptal Sociery fkn/lated from dhe F^rellch. p. 22 I

XLIl. 0 on tbe /X^ne 1Eran,* of Venus, wade at Con{tantinople; by s Excellegcy James Porter, ElWq; his M<y's Sbdor there: In a I;,etter za George Amyand, EJf, p. za6

XLIII. Xn Xccount of the ObJi made on the kne lianjit at Upfal ln SwedeIu: In a Lezter to Mr. Benjamin Wilfon, T. R. S. n Mr. Thor- bern Bergman, af UpEal. p zz7

XLIV Sn Xccaunt af the Ob,Srquations made zwpon the- * of Venus Qver the Sun, 6th June I76I, t Caianeburg in Sweden, by MonJ: Planman: Cofn_ ;Wanxcvted in a Letter fiom Mr Peter Waraentins Secretary to tbe Royal demy of Sczences a Sweden,* and FX R S to Mr. John Ellicott, F. R. S. Fi^n- fivm the French. p 23 T

X1JV. Af fevond Letter to he Rigbt Hon. the Evrl of Macclesfield, Pre of the Royal Soctery, concer- ing the franJik of Venus over the San) on the 6th of June 176I; e the Res. Nathanael Blifs} M. H. Savilian Profef r of Geometry in the UniverAty of

sXLVI. 0 trsnJss Yenens per dtWum Soliss f2a Ati aW 64 Junii I76I} a P. Antonio fi- menos ev SOG. S/: Coanm>tc.czk ty Cna. Nforton) Mo I:). Secretag o the Rsyal Socsety. Pe zS I

b XL\tII;

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C O N tIs E 1f T Sb XL\tII. ExtraS from a Paper of Mon/;: De la Landea

of the Royal Xcadeany of Sczences at Paris, to Mr. Gael Morris} of the S9Nt of Venus-, on the 6th June I76I, obyerved at Toboli in 5iiria, by M. Chap Ne. p. :? 54

XLVIII. ObJertatio cNngrs Veneris (ug Sole, ba- btaZLugduni Batavorum, dis 64 Junii. a Joanne Lulofs, in eadem Aadem. S!J?rono7n. Mvthey. &> PhiloMroph. Profefore. isated by ChaW Mv3rton M. D. Secretary to the l?nyal Sociefy p. 255

XLIX. lhe CaJe of a Pvtgezt, who soided a lwrge Stase through the Perif?arvgfiom the Urethrv. Cont4.Xzi- cated to tbe Rayal Society by-- Mr. Jofeph Warnet; Surgean, of Guy's HoJ0ital, to WZJO/N tZpis Meensir -was addrtOed, tor that Pvrpofe, by Dr. :Prewen, of Rye gn SufEex. p. 258

1}. An Arcoaft of -the CWe af a Boy} twho had tfue Mv{- legs sf eveJp Ear) and o?e of the Incvs'ss dropt oat Conwanunicated by the Rev. Phiiip Morant, M. A ReSor of St. Mary's in ColcheRer. p. 264

I,I. O0fervatio>s concernxrg the Body of his: late Msd- j#y, Odtober 26> I760; e Frank Niclwolls, M. D F-. R. S. Phyfic an to his late AIv.yeNy. p. 265

LII 0 the Irregulargte3 in the planetary Mmtiors, sauJred by the mutval XttrvAticn of he Planets: In xz Lerter to Charles Mortons M. D 5ecrvary to the Royvl Sovety. By Charles WalrDney, F. Rw :S. and Meazber of the Royal fny of Sczeaas vt B&rlinX

ard of the In/?itvte at Bologrsa: p. 275 LIII. Ar Hscount of a ire gn French, prefete;ito

the RtyalSociety, inttuled, cc Lettres for l'EleEri- -i" cite, ty tbe Xbbe Nollet} M>mber af the Royal

4 ' 3aade?ry

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C O N T E N TS. 's Academy of Scietces, &c. &c-." ty X50Xssina Watfon, M. D. 1?. S. S p 336

LIV. fthe CaJ8e of a Man, xvhoJse Hevrt Uas foz;SX ctl- larged to a s3ery unco7nmon Size; e I1fr Ricllaid Pulteney: Co?Zwmvaicated by W. Watbll, S>. D R*S*S. p.344

IJV. A!n Sccount of feveral Experimenfs gn EZeAricity : In a Letter to Mr. Benjamin Wilfon, F. R. 5. By Edward Delaval, E^8a; ]?. R* S p. 3g3

LVI Xn Sccount of an Encri7svs, or Sta?ffhX witZj a jointed Stem, taten on Zue jZ of Barbadoes, ";vh#<^h eactlairs to qwhat ki?d of Aximl thcJ e Fe#ls bel6ng, called StarJ9ones, X<>ce, vxd SSropodPa, mvDich hvase been fovad Ms many Parts of thxs Kinpgdom: In a Letter to Atr. Emanuel Mendez da CoIla, F R S. By John Ellis, EJ>q; F. RX S. p. g7

LVll. Revrks an a PaOWge of the Editor of the Con- noifl: ance des Meuvements CeleRes pour l'Annee I76s: In a Lerterto the Right Hon. George Evrl og Macclesfielel, PrefAent of the Royal Sociery. By Mattilew Raper, Ea, FX R,S. - p. 166

L\tIII. uAn EnctraA og a Letter fr6xn MonJegr De la Lande, of the Royal JIcades,5sy of Svences at Paris} to Dr. Bevis, dvied there March 26, 1762. IFranglated from the French. p -369

LIX. ObfiertuationoJtbe rtOf VenusoqJertheS?wn, June 6, I76 1} at tbe Ipand of Rodrigues; by Mr. Pingre, of the Royal Xcademy of Sczences at Parisu lated from the French, ty hIatthew Matys M. D. F. R. S. p. 37I

LX. Obfe7vations madU at the Cape of Good Hope; ty Mr. Charles MaSon and M¢r. Dison; reduced

fa

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C0 TENTS. o apparvt fime by Mr. MaSon. ZYitb an Appon ^

dix. p. 378 LXI. LvwitvAe of fhe Gbfgsarory at tZue Cape oJ Good

Hope, redaced J7ronz from tbe ObJervations of dtfferent Stars; by Mr. Charles-Mafont p. 395

LXIIv An Xcco?nt of an Obyeertvation of the Tran/Xt of Venus over fhe Sun, on the 6th of June I76I, aZ Mad raSs ; by tbe Rev. Mr. William Hirll, Chaplain af one cf h^s MajeJ?y's ShipJ in the Eaft lndies: Con- tsxned in a Lerfer rofe by bim to the Rsgbt Hon. the Evrl of blacclesfield, PreJ2dent of tbe Royal Soo aery. Dared Fort 8t. George, sT July I76 I. p. 396

LN1II. An Account of a printed Memoir, in Latin, preJfnted to De RDyal Soriety, irtitaled, De Veneris ac Solis congreSu obServatio habita in ailronomica fzcula Bononienfis Scientiarum InItitwiii, die 5 Junii I 26 I . AuAore EuItachio Zanotto, ejufdem InIlituti ARronomo, ac Regiz utrillfique Londi- nenfis et Berolinenfis Academia Socio. By tbe- Rev. Nathanael Blifs, M. kN. Savilian Profefor of Geomttry, and Ff Rt S p 399

P H I L 0

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P H I L O S O P H I C A L

TRANSACTlONS, G I V I N G S () M E

A C C O U N T OF THE

Prefient Undertakings, StudiesX axd Labours, os THE

INGENI OUSs IN MANY

Conflderable Parts of the W O R L D. _ _

V O LX LIt. Pa R T II. For the Year I 762. .

L O YD O tJ: Printed for L. DAVIS and C. REYMBRS,

Printers to the R Q Y A L S O C I E T YW agairlfl Gray's-Inn Gate, in Holbourn.

M. DCC.I,XIII.

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A D V E R T I S E M E N T

THE Committee appointed by the Royal Socitey to direEt the publication of theC PhiloJophical

franfaAi-ons, take this opportunity to acquaint tlle public, that it fully appears, as well from the counciL- books and journals of the Society, as from repeated declarations, which have been made in feveral for- mer lRranJsaAions, that the printing of them was al- ways, fFom time to time, the fingle ads of the re- fpedrive Secretaries, till the Fortlr-feventh Volume And this information was thought the more necellary, not only as it has been the common opinion, that they were publiffied by the authority, and under the di- reEtion, of the Society itSelf; but alfo, becauSe feveral authors, both at home and abroadX have in their writ ings called them the TFranSasns of the Royal Society. Whereas in truth the Society, as a body, nesrer did intereR themfelves any further in their publication, than by occafionally recommending the revival of them to fome of their Secretariess whenfi from the par- ticular circu-mRances of their aiairs, the fWaAions - had happened for any length of ttme to be intermitted. And this feems principally to have been done with a view to fatisfy the public, that their ufiual tneetings were then continued for the improvement of know- ledge, and benefit of mankind, Fe great ends of their fir{} inRitution by the Royal Charters, and which they have ever fince ileadity purfued.

ZBut the Socxety bting of late years greatly inlarged, and their communicattons more numerous, it was thollght adviAfeable, that a Committee of their Mem- bers fhould be appointed to reconfider the papers read before them, and feleEt out of thern fuch, as they

VOL. LII. a naould

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Al:)VERTISEM ENT. ffiould judge mofl: proper for publication in the futurc fWaGions; which was accordingly done upon the 26 of March 1 7S2 And tkle grounds of their choice are, and will continue tQ bc, the importance or flngu- larity of the fubjeEts or the advantageous manner of treatillg them; without pretendizg to anfwer for the certainty of the fafts, or propnety of tl8e reaSonings, contained in the feveral papers fo publilhed, which muIt Ilill reR on the credit or judgment of their re- fipeEtive authors.

It is likewiCe nsefl*ary--ors this occation to remarks that it is an eIRablifl;ed ra}le of the Socie$y, to which they will always adhere, never to give their opinion, as a bod upon any fulbj0:, either of nature or art, that xmes beforc them. And therefore the thanis, zvhich are fmquently propofed from the chair to be given to the authors of fuch papers, as are read at their accuPromed meetings5 or to the perfons, through whoSe hands they recexve them, are to be confidered n no other light, t}sn-as a matter of civility,, in re

turn forv th reEpedc :ewn to the Society by thefe- communications The like al§-o is to be faid with regard to the feveral proje^, inventions, and curio- flties of various kinds, which are often axhibited t the Society; the authors whereofi or thofe who ex- hibit them, frequently take the liberty to reportj and even to certify in the pwbl¢ news-papers, that they have met with the highell apphuSe and approbaiioia. And therefore it is hop@ds that noi regard will here- after be paid to fuch reportsfi and public notices; which irJ fome inftances-have been too lightly cre- dited? to the didlonour of the Ssicty.

¢ o Nt

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C O N T E N T S

T O

PART 1 VOL. LIT.

LXIV. Egzrva of a L<er of Mr. John WoOd9

jrsm Calcutta, to J Perry, EJ; og Ham-

ffead. Cownunicated by the Revo W. Stukeleys

M. D P 4I S

LXV. Some Hsco?wnt of - the estraoritnary Sgtafioa

of the Maters ix Mount's-bay, vxd other Places, oa

the 3Xfl Of March I-76I: In aLetSrZotheRes.

l)r. Charles Lyttelton, Dean a3 Exeter, from the

ReverendVfilliamBorlafe, M*ft F. 7R. S. p.TIg

LXVI. Obo>ts on a Clock of Mr. Joho Shelton-,

made af St. Helena: In a Lerter to the Rxght Ho-

nourable Lord Charles CavendiSh Sc¢-Pryident

of the Royal Soctety, from tbe Reverend Nevil

MaIkelyne, M. H. T. R. S. p. 434

LXVII. ObJervations vporfome Gemsf 7ri-larto tZue lourt

malin, ty Mr. Benjamin Wilfon, F. R. S p. 443

LX VIII. ObJervations an fhe lhdes in the Strozits of

Gibraltar; by Henry More, E/g; p.*44:7

LXIX >£ Sccount ofthecaJe of ayoung Man /?upi-

Jied by the S>noke of Sea-coal; by Dr. Frewen of

Suiex. P 4$4

SXX. X Letter>sn Beniamin FranklitlX L L D.

and F. R. $. to the Reverend Thomas Birch, D. D

48d Secretary to the Royal Goctety pw 4st:>

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C-O N T E N T S. IXXI. X Leffer from John Canton. M. Si and

F.R.S. to Benjamin Franklin, LL. D. and F. R. S. containingJrome Remarks on Mr. Delaval's EleNtricotl Experimerts. p. 457

IvXXII. Ar Atzerzpf zo afegn the caure, why the Sun and Moon appear to tItue naked Eye- larger wben they are near the Horizon. AYith an Sccount of Je¢veral PSucgnwena, relative to this Sabjeg. By Mr. Sa- muel Dunn. p 462

LXXIII. Estrad of a Letzer from Mr. John Bar- tratn, of Philadelphia, to Benjamin Franklin, L L. D. F. R. S. relatgng to a rernarkable Au- rora Barealts. p. 474

LXX1V. ObJoervotzioszsognoxio:sSnimalsgn Englalld; By the R°v. Richard Forlter, M. j#* ReSor ofs Sheffiord t'n Bucles. p. 475

LXXV:. EnctraA of a Lefrer tothe Re-verend Thomas Birch, D. D. Secretary to fhe Royal SocieZy, froffl Mr. Abraham Mafon, of 13arbadoes) relvnng to an estraardinary Sgitvzion of the Sea there) 3 /? of March T 76 , and an epiaemical DiJ^ordztr i n tJ at IJIard. P 477

L-XVI. ObJ^ervatists t?] Aurora ]3oreales in Svwreden: In a Letter to Mr. Benjamin Wilfon, F. R. S. frs> SIr Thorbern Bergman of Upfal. p. 479

LXXVII. Sn Accouoat of tbe double RefraSions in CryJ?aZs; by Father John Beccaria, Profefor sf Experitnental PhiloJphy at Turirl. p. 486

LXXVIII. X Caralogue of the Fifty Plantsfrorz Chel- fea Garden, priented fo the Royal Society by the q?orsfalContyof 4pothecaries, fortZ:eXear I 76 x, parJSant to the Dire§}iotz of Sir Hans Sloane Baroner, 3Hed. Rgg. v.rd Soc. Rg. rzper PSÆPA6S; by John Wil-

nzert

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CONTENTS. nuer, M. D. clang. Societatis Pharzaceaf. Lond. Soc. Eort. Chelfean Prwfehs tt Prale6isr. Bo tanxc. : P 45 1

LXXIX wAn Accov>t of a orkt skitaled, Jacobi ChriItani Schaeffer icones et defcriptio Fungorum

- quorundamfingularium et memoroabilium; fimul Fungorum Barratia icones nativis coloribus expreSx editioni jam parata propediem evulgande, de- nunciantur; by Mr. William Hudfon, F.R. S.

P 495 LXXX. St Accoant of a retnarkable Agtation of

the Sea, July kS, I 76 I, and of Xo Thwzder-Ss ih Cornwall: InaLettertotheRes. ThomasBirch, D. D. Secretary to the Royal Socgety, Jrom the Retu William Borlafe, M. H. F. R. S. : p. 507

LXXXI. ExtraG of a SLetter from John Huxham, M. I). F. R. S. to William Watfon,5 M -D. F. R. S. datedat PlymouthsFebruary5, 176z, relatirgto tqo reenarkable Ca/res n Svrgery. P 5 I S

LXXXII - Xn Azvoant of the;Svacefs of Mon/; Daviel's Meehod of EtraAting CataraSs: Iv a Letter to James ParSons, M. D.- F. R. S. from Andrew Cantwell, M. D. : p. sIg

LXXXIII. EstraS of a Leter from Cliarlton Wol- lafton, M. 1). P. R. 3. to William Heberdeny M. D. R R. S. d4ted Bury St. Edmund's, April I3, I762, relatzg to the Cafe of: lltiGn of

0 Li7nbs in a Fsamilyat WattiSham gn Suffolk. p. 523 IjXXXIV. Estr42 of a; Letter frort tSue SRefserend

James B-ones, M. S. MinSer of Wattiflaams near Stowmarket in Suffolk, to George Baker 12)* D. F R. S. relating fo tZ.e CaJre of Mortzjica- riQn of Lzfnbs zn a Fanaily zhere : p. 526

I4XXXV,

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C O N T E N TS. LXXXV. Estrafi} of a fiecond Letrvr from tbe Revu.

Mr. Bones, to Dr. Baker. p, 5z9 LXXXVI. Ob/*vanons for troqJtWng the GoiAg of Mr.

Ellicott's Clock at St. Helena; by Mr Charles Mafon. p. 5 34

LXXXVII. AKn Account of Mr. Mafon's Paper, concerning tfue Going of Mr. Ellicott's Clock, at St. Helena; by James Short, M. A. F R. S. p. 540

LXXXVlIl. Xn Sccoanf of tbe Eclipfie of the Moon, sn the 8th of May I76Z, in fbe Mrning, obJerved by Mr Short, it Surrey-Street, London. p. s4z

EXXXIX. ObJervaZions on the Jawe Eclipf; by Dr. Bevis. p. 543

XC. An Accotlnt of a regarkable Manunxent fozznd near AIhEord in Derbyffiire: In a Letter from the Reverend Mr. Evatt, of Affiford, fo Mr. White_ ;hurk, of Deerby. (iwtedby BenjaminFrank- liIl, LL D. F. R. S. p. 544

XCI. Defcrz>tio I?ontis Hieronis in Metallifbdinis Clzemnicenfibus in Hungaria, anno 1756 extracSi; AAore - - 51YolfeX M. D. Canicated b7 Mr. Baker, F. R. S. p. 547

NCII Sn Xccount of a Wremarkable Marine P7 oduc_ tion-: In a Letter lro the Revere,;d Thomas Birch, D. D. Secretary to the Royal Sariety, from Alexander Rufl^ell, M. D. PhyScian to St. Thomas's Hogpi- tal, andF.R.5. P 554

XCIII. S Letter from tDe Res. Nevil MaIkelyne, M. S. F. R. S. to tbe Rev. Thomas Birch, D. D Secretary to the Roptal Societ), contatning the reJ ults -of xobkrtiom of tbe di/!ance of Moon from the Sun and,fixedNars, made in a tsoyagefrom England to the ldand of St. Helena, in order to deaermine tbe Lo7a-

gitude

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C O N T E N T S. gitude of the Sbp, from ftme to time; together tsiZh the qwholeProceJi of (Sompvtata7z gJ*ed onV this Occa/on. p. 558

XCIV. Certain ReaJonsJCor a Lunar SzmoJxphere; by Mr. Samuel Dunn. p. 578

XCV. AMn Hrcoant ofthe Comet feenvtParis, inJune 1762: InanExtraAof a Letter, dated atParis July 30, 1 762, from MonJ: De laLande, ofthe :Royal Academy of SCt'ences at Paris, tto Charles Morton, M. D. Secretary to the Royal Society

p. 58l XCVI. Mites of the OHrvanon of the 1i/¢ of

Venus overthe S>n, the 6thof June I 76 I, taken

cat Calcutta Bengal, Latitude 22° 3o', Longi-

tudS Ea/? fhn London nevrly 92° Conzmanicated f hm the Coart of DireAors of t-Zie Eall India Cofn pany, rby Charles Morton M. D. F. R. S. p. 58 2

XCVII. Xfitrther Sccoant of theCozJoe of the Family at Watti&am, n Suffolk>: whofe Limbs mort4ed^ Ina Lterfhn C harlton WollaRon, M. D. F. R. S. and PbyJ wian to Guy's Hofpital, to Thomas Birch, D. D. -Secretary to the Royal Soviety. p 584

XCVIII. Obs on the slides in tbe nd of St. Helena: in vLetterfrotn the Rev: Nevil Maike- lyne, S. M. F. R. S. to Thomas 33ircll, D. D. Secretary to tbe Royal Socier. p. 586

XCIX. Extrag of a Letterfrom M. de la Lande, of the Royal Xcalemy- of Sctences at Paris, to the Rev. Mr. Nevil MaSkelyne, F. Rv S. &2dPais, Nov. I8, I762. p. 607

C. the ObJervations of the inZernal ContvA of fifenus with tbe Sun's Limb, in the late qtravta made in

b diffierent

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C O N T E N T S. dtf rent Places of europe, compared witb the fime of the ContaA obJ>ved at tbe Cape of Good Hopes and the Parallax of tbe Sun from thence dearmxined. By James Short, A. M. F. 1R. S. p. 6 X

Cl. some Sugge/?ions concernrg be the

MiJrcbiefs, whiab bappen to Sbips and tbeir MaJis by Ligbtning; bettg the Subfance Qf a Letter to the late RJght Honourable George Lord Anbn, firJ?Lord of tbe Admiralty, and F. Ft. S by William Watfon, M!.D. F.R.S. p.62g

CDII. Sn Accoant of the Cafe of tbe late Res. James Bradley, D. D. AJ?ronomer RSoyal: in a Letterto gbe RigbZ HonoarablLe George Earl of Macclesfields PrefAZ of R. S. fi*om Danxl IJYBBS, M. D

p. 635 CIII. Experiments toi prxe tEat r is not incom-

prble} by -John Canton, M. flX. - and F. R. S. p. 640;

C1Vt. Sn Sucoatt tf tbe Ekl%ge o2r tbe Sun, Odober 16, s762, in a Le¢^tter from Mr. Samuel Dunn, to Mr. Jamns Shwt M. S: and -F R. S. p. 644

CV. EstrozA of a Lezter Jixan W. Watfons M. D F. R S. to John Huxham, M. D F. R S con- ta;2ing Jome hnmArks wpofx Se Casrrbal DiJorder,, which s xeq -LoMon ax! n ts IXFeignb- bourbood in May 176t- aW upoe the DHenterya xhich preiailed thg fiollnwtng Autumn p. 646

CVI - h«ro inclyto X le Repablaa Literaria meritiJ*- fimo D. C. Mor.ton,- Zdw DtR Sorietah RegXvf Stentiarttm Londinenfi ob gi5 S. P, D. Joan nes Lulofs. p*- 65o

CVII. w48s

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CONTENTS. CVII. iS.n Account of the Gardent4: In a Letter Zo

Philip Carteret Webb, E/v; E. R. S. Jia1m Daniel C. Solander,, M. D. p 65+

CVIII. Sn Sscount of the Male and Ferzale C6chi- neal InpreAs, that breed on the Cadus Opuntia, or Indian Fig, gn South Carolina and Georgia. In a Letter from John Ellis, Ef; ta Peter Wych, EJf; p. 661

P H I- L 0-^

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