INDEX. 
Ekftricity of the Air, fome Account of the Effetfls thereof 
in the County-Hofpital at Shrewfhury , by Dr. Cheney Hart, 
p. 786. 
Elephant , feveral Bones of one found at Leys down in the 
Me of Sheppey , p. 626. 
Ellis (Mr. John), Obfervations on a remarkable Coralline, 
p. 1 15. 
* — Letter to. Mr. Peter Collinfon , concerning 
a GuHer-Polype, p. 305. 
— Letter to Mr. Peter Collinfon, concerning 
a particular Species of Coralline, p. 504. 
, Letter to Mr. Peter Collinfon, concerning 
the animal Life of Corallines that look like minute Trees, 
p. 627. 
Empyema, its Operation fuccefsfully performed by Mr. Jo- 
feph Warner, p. 270. 
Equinoxes, a Treatife on their Preceflion, &c. by M. de 
St. Jacques de Silvabelle, p. 385. 
Euler (M.), Letters concerning a Theorem of his, forcor- 
re£ling the Aberrations in the Objed-Glafles of refra<fling 
Telefcopes, p. 287. 
Experiments of Fifh and Flelh preferved in Lime-water, by 
Francis Hume , M. D. p. 163. 
on the Copper-Springs of Wicklow in Ireland , 
by John Bond , M. D. p. 1 8 1 . 
upon a Machine for meafuring the Way of a 
Ship at Sea, by Mr. J. S meat on, p. 532. 
— . concerning the Ufe of Agaric of the Oak in 
flopping Haemorrhages, by Mr. Sam. Sharp, p. 588. 
— — made with a new Pyrometer, by Mr. John 
Smeaton , p. 6 10. 
■ — — (Electrical), made at Paris , in a Letter from 
Mr, Benjamin Wilfon. to the Right Honourable the Earl 
of Macclesfield , Pref. R. S. p. 347. 
_ . with an Attempt to account for 
their Phenomena, together with fome Obfervations on 
Thunder-Clouds, by John Canton , M. A. p. 350, 
Experiments 
