INDEX. 
Experiments on fand-iron, p. 48 — New, on electricity, p. 
84, 436. — On the tourmalin, p. 447, 451; 
Extraordinary anecdotes relating to the plague at Aleppo, 
P- 45* 
F. 
Fergufon , Mr. James, his delineation oF the tranfit of Ve- 
nus expected in the year 1769, p. 30 — His account of 
a remarkable fifh taken in King’s- Road near Briftol, p. 
170. — His projection of the eclipfe of the Sun on 
April 1, 1764, p. 240. 
Fire, electric, whether any heat in it, p. 89, 92. 
Fijh, remarkable, taken in King’s-Road, p. 170. 
Fitzgerald , Keane, Efq; his method of leffening the quan- 
tity of friction in engines, p. 139. 
Fly , vegetable, account of the infect fo called, p. 271. 
G. 
Gabry , Mr. Peter, his obfervations, at the Hague, of the 
comet which appeared in the month of May 1759? P* 3* 
— His obfervationc at the fame place of a fiery meteor 
like a chafm, p. 5. 
Geach , Mr. Surgeon at Plymouth, his account of two re- 
markable cafes in furgery, p. 231. 
Geometers , ancient, a diicourfe on the locus for three or 
four fines celebrated among them, p. 496. 
Glafs , it’s refractive power, p. '177. 
Gloucefterjhire , beft Valerian-roots grow there, p. 198. 
Guidon , Mr. Edward, his tranflation from the Perfian of 
an account of an earthquake at Chattigaon, p. 251. — 
His own account of the fame, p. 263. 
Gunpowder , Tartars and Kalmucks make it very expedi- 
tioufiy, p. 209. 
Zzz 2 
Hamilton , 
