INDEX. 
Electricity in vacuo, Obfervations upon, by Mr. William 
Watfon , p. 362. 
extracted from the Clouds, by Abbe Nollet , 
P- 553 - 
-.-by Mr. Mylius ot Berlin , p. 555?. 
Elhcott' s (John) Defcription of a Method, by which the 
Irregularity of the Motion of a Clock may be pre- 
vented, p. 475?. 
Ellis’s (Captain Henry) Letter concerning the Utility of 
Ventilators, p. 21 1. 
Empyema , the Cafe of the Operation thereon, performed 
by Mr. Jofcph Warner , />. 407. 
Eruption of Mount Vefuvius , from its frit Beginning, to 
October 28, 1751. deferib’d by Richard Supple , />. 315. 
• -the fame deferib'd, in a Letter from Naples to Sir 
Matthew Fetherjlon-Haugh , Baronet, p. 405). ' 
• the fame, by Mr. John Parker , in a Letter from 
Rome, p. 474. 
£7//tr (Profellor) declares for Sir ffuic Newton s Theory, 
/>. 264. 
Excrefcences (fungous) of the Bladder, Obfervations up- 
on, by M. le Cat , p. 292. 
Exotic Trees in the Bilhop of London s Garden at Fulham , 
a Catalogue ®f, />. 244. 
Experiments made with the Poifon of Lamas and of 7 L//- 
zm, by Dr. HeriJJant , p. 75. 
on Electricity, made in Philadelphia , by Mr. 
Benjamin Franklin , p. 206. 
made to prove the Utility of Ventilators, by 
Captain Henry Ellis , p. 211. 
. relating to Odours palling thro’ eleCtrifed 
Globes and Tubes, by Profeflbr Winkler , 7). 231. 
- — • upon animal Bodies,- by Dr. Charles Morten , 
P‘ 3 ° 5 * 
upon medical FdeCtricity, by Dr. Bianchini , 
at Venice, p. 3 99. 
Extracts of Father Angujlin Hallerjlcin’s agronomical Ob- 
fervations, made at Pekin, p. 376. 
4 D F. 
