INDEX 
TO THE 
PHILOSOPHICAL TRANSACTIONS 
FOR THE YEAR 1801 . 
A 
AFFINITY, predisposing , remarks on that term. 
Air , common, its effects on spontaneous light. 
Amphibious animal , description of a doubtful one, 
Analysis , remarks on some particular modes, 
Animal incognitum , on its grinding teeth 
Arseniates of Copper, description of, 
— analysis of 
Iron , description of, 
— analysis of, 
Atmosphere , on that of the sun, - 
B 
Birds , remarks on their eyes, 
Boar , wild, on its grinding teeth, 
Borda , the Chevalier de, remarks on his reflecting circle, 
Bossut, M. his theory relative to the solidity of a sphere, 
Bourn on, the Count de, description of the arseniates of 
copper, and of iron, from the county of Cornwall, - 169 
C 
Carlisle, Mr. Anthony. Account of a monstrous Iamb, - 139 
Cataracts , cases of, 382, 384, 395 
- — — on the mode of operating in that disorder, _ 391 
Chenevix, Rich ard Esq. Analysis of the arseniates of copper, 
and of iron, from the county of Cornwall ; likewise an analysis 
of the red octaedral copper ore of the same county ; with remarks 
on some particular modes of analysis, - - 193 
— Observations and experiments upon 
Dr. James’s powder; with a method of preparing, in the humid 
way, a similar substance, - 375 
Cheselden , Mr. remarks on a case described by him - - 388 
Circle, on an improved reflecting one, - 363 
Cold , artificial, on its production by muriate of lime, - 120 
Combe, Mr. Charles. Account of an elephant’s tusk, in which 
the iron head of a spear was found imbedded, - - 1 65 
page 
“ 234 
404 
241 
193, 209 
3 2 4 
169 
193 
- 188 
218 
- 3 00 
7 7 » 79 
3 1 9 
365 
153 
