550 
I N D* E X. 
Allahabad^ ill the Eaft Indies, an account of fome thermometrlcal ohfervations made- 
there, in lat. 25° 30' N. during the year-1767, and aha during a voyage from fila« 
drafs to England in the year 1774, p. 202.— —Natural ice feldom feen there, p. 252. 
Altar, Prognortics derived from the bright Star, 182. 
' Amputation above the knee, remarks and confiderations relative to the performance of it 
by the lingle circular incifion, p. 373. The manner of operation, p. 373 — 375. Re- 
marks on amputation, and the fingle incifion recommended, p. 375 — 377. 
ifle of, in the South Seas, account of a mufical inllrument brought from 
thence, p. 67. See Mujical Injlrument, Remarks on a larger fyftem of reed pipes 
from thence, with obfervations on thenofe flute of Otaheite, p. 72. Experiments 
on a new colouring fubftance from thence, p. 91. Colouring Suhjlance% 
Andes. See Volcanos. 
Anemonies. See Sea-Ancmonles, 
Aneuryjms in the thigh, concerning, p, 378 — 380. 
Animals and vegetables, experiments on, with regard to the power of producing heat, 
p. 446. See Heat. Animals, their power of generating cold, p. 112, «. 121. Their 
power limited, p. 121. Animals mufl be deprived of life before they can be frozen, 
p. 4p. On what their power of producing heat depends, p. 453, 4^7. Animals, 
imperfeft, allow of a confiderable variation in their internal temperature, ibid. Tor- 
pidity of animals in winter, accounted for, ibid. Animals and vegetables, in what 
they differ, p. 456. 
Animals influenced by the approaching changes of weather, p. 246. v 
Aratus^ the concluding lines of his AKxrtif^etx, p. 186. He derives prognoftics from the 
pofition of the moon’s horns, p. 182, 
Arqua, beautiful marble found near Arqua, p. 35. Relicks of Petrarch and Laura, ibid. 
Af toy Femoral, a divifion of it into two trunks, p. 378. Experiments upon « Dog, 
p. 380—383. 
AJironomical Ohfervations, See Leicefer, Occultations^ ScloehaUicn, 
■Attradiion, a propofal for meafuring that of fome hill in this kingdom, by aftronomical 
obfervations, p. 495. An attempt of this ki-nd on the mountain Chbnbora9o, p. 496, 
-497. Why the obfervations were Infufficlent to prove the reality of an attradlion, 
p. 497. Attempts to find convenient places in this kingdom for the trying fuch a cu- 
rious experiment, p. 498, 499. Account of fome obfervations made on tht 
mountain Schehallien, for finding its attraiflon, p. 500. See Schehallien. 
-Auvergne, in France, remarkable for bafaltinc hills, p. g — ii, 14*^ 16. ig. 2i, A city 
there built on a giants caufeway, p. 15, 16. 
B. 
ddan'k'Martin, account of the, p. 272. Ste Sand Martin, 
Sarier, Sir Robert, his account of fome thermometrical obfervations made at Allahabad 
■in the -Eaft Indies, in lat, 25° 36' N. during the year 1767, and alfo during a voyage 
5 4ro» 
