INDEX. 
Ddlloni (Mr. John), Letter to Mr. James Short , concern- 
ing an Improvement in refradting Telefcopes, p. 103. 
— Defcription of a Contrivance for meafuring fmall 
Angles, p. 178. 
Explanation of an Inftrument for meafuring fmall 
Angles, p. 551. 
E. 
Earthquake , Account of one felt at Tork the 19th of April 
1754, by Mr. David Erjkine Baker , p. 564. 
Account of the Jate one at Confiantinople,p. 819. 
Eclipfe , concerning the Year of that foretold by Thales , by 
the Rev. Mr. Geo. Cofiard \ p. 17. 
an Account of it, by the Rev. IV. Stukely , M. D. 
p. 221. 
one mentioned by Xenophon , a Letter from the 
Rev. Geo. Cofiard , A. M. to Dr. John Bevis , concerning 
it, p. 155. 
Eclipfes ( Solar ), a mechanical Contrivance for exhibiting the 
Time, Quantity, and Duration, of them, in all Places 
of the Earth, by tsAr. James Fergufon , p. 520. 
Eclipfium fatellitum Jovis obfervationes Ulijfipone habit te Anno 
1753, a Joanne Chevalier, p. 546. 
Edwards (Mr. George ), Letter to Mr. Peter Collin fon con- 
cerning the Phealant of Penfylvania , and the Otis minor , 
p. 499. 
Electrical Experiments made at Paris, a Letter concerning 
fome from Mr. Benj. IVilfon to the Right Honourable 
the Earl of Macclesfield, Pref. R. S. p. 347. 
• an Attempt to account for their feve- 
ral Phaenomena, together with fome Obfervations on 
Thunder-Clouds, by John Canton , M. A. p. 3 50. 
Electricity of the Air, Obfervations thereon by the Abbe 
Mazeas, p. 377. 
Letters concerning it by the Abbe 
Nollet, p. 201. 
Anfwers to feveral Queries concern- 
ing Experiments thereof made with a Kite, by Dr. John 
Lining , p. 757. 
Electricity 
