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An c(fay on Comets, and an account of their luminous appearance ; together loith 

 Jomc conjcBures conceniing the origin of Heat. By H u g ii W i l l i am s o n , M, D, 



ObfcrVations on the Comet oJ June and July, 1770; mih the Elements ojits Mo- 



^tion, and the TrajeBory of its Path, intwo Letters Jrom DavidRittenhouse^ 



A. M. to William Smith, D. D. Provoji Coll. Philadelphia. p- HA. 



An Account of the fame Comet, in a lelierfrom the Right Hon. Wllliam, Earl 

 OF Stirling^ to William Smith, D. D. Provcfl: Coll. Phtlad. p. 152 



An eafy Method of deducing the Time of the Suns paffuig the Meridian fer Clock,- 

 zoiihout the help of the Equation Tables, by equal Altitudes taken on tzvofucceeding 

 Days. By DavI'd RittenhousEj ^, M. Communicated by WihhiAuShxiTu, 

 D. D. Provofl ColL Philadelphia^ P- ]55 



An Account of'the Tranfit of Mercury over the Sun, Nov.^th, asohferved at 

 NoRRiTON, in Pcnrifylvaniaj by the Committee appointed for that Ohfcrvation.- 

 Drawn up and communicated by diretlwri and in behalf of the Committee, by W 1 L- 

 liam Smith. D. D. Provofl ColL Philadelphia. p- i6^'- 



The Su n's Par allax deduced from a Comparifon of the N o r r ito n Obfcrvations^ 



of the Tranfit of Venus, 1769; with the Green v/ich and other European Ob- 



fervations of the fame. By William Smith. D.D. Provofl Coll. Phila. p. 162 



CONTENTS of Sect. IL 



An Effay on the Cultivation of the Vine, and the making and frefendng of Wine, 

 fuitedto the difj-erent climates of Norths America. By the Hon. *Ed ward Antill 

 Efq. Communicated by Mr. CuAixLMs Thomson. r ti 



The Method of curing Figs ; and ohfervations on the raifng and drejjmg oj ^i^^^'V 

 By Hon. Edward An till, Efq. P- ^ob 



Obfervations concerning the Fly-Weevil, that dcfhroys the Uheat; mthfomt 

 vfeful difcoveries and Condufons, concerning the Propagation and Progrefs oj that 



pernicious InfeB, and the Methods to be ufedfor preventing the DeflruHion of the 



Grain by it. By Colonel Langdon Carter, of Saldm-HalL Virginia; com- 



m^unicated by Colonel Lv-v-, of Virginia. r n 7 co -^'^74 



Obfervations on the fame ftbjea ; by the Committee of Hufbandry, ksc. p. 287 



Obfervaivons on the Native Silk Worms, of Norths America; by Mr. Moses 



Bartram. P- ^94. 



A Memoir onUhc Diflillation o/Persimons. By Mr, Isaac Bartram. p. 301 



Account of an Oil made from the Seeds of the Suri-Howci'. ByDrMno, of- 



Bethlehem. Comminicaied by Dr. Thomas Bono. ■ p. 301 



An Efay on the expre/png of Oil from itAe Sun-Flower Seed. ^7 John 



Morgan, M. D. 



AL, -, . ,,.... 



Georpia. Communicated by Mr. Charles Thomson. p. 309 



The Method of dejtroying wild Garlic. By Mr. Henry Hollingsworth,^ 



ofElk^Ridge. „ ,. ^ >T ^'' 3^^; 



A Method of preferving Peafe from the Worms. By Mr. Peter Miller, of 

 Ephrata.' Communkaied by Afr. Charles Thoj^ison... 



A ^os 



,ettcr onlhecxprefngofafneOllfromBE^B Seed. By-Mr..JoH^ Morel, of 

 ieorpia. Cmvnmnicakd by Mr. Charles Thomson. p. 309 



^313 



An eafy Method of preferving Subjects in Spirits. By Mr.-L. Nicola.- p. 314 



A Letter from Bethlehem, on 'wWu/?.f( Currant Wine.. 



A Letter from. Dr. Lorimer, of Wef-Elorida, to Hugh \V illiamson 



containing fonic Remarks on the Climate, vegetable ProduBtons, &c. 

 A catalo<rut offuch foreign Plants as are xovrthy oj being encouraged in thcuitneruan 



Colonies, for the Pur p of: s of Medicine, Agriculture and Commerce. p. 325 



Dircidions 



P' 3^7 

 M. D. 



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320 



* Mr. Antt 

 Worthy Member 

 Lift prefixed to this VoJume 



tLLwasone of his Majcfty's Council for the Province of New-Jorfcy, and a 

 IX oi the Amerkan Lbilofl^hUal Society i hut he died before the pubhcation of the 



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