INDEX. 
page 
Antimony , protoxide of, its composition, - 197 
Autimoniane , the name given to a compound of antimony and 
chlorine, - I90 
—composition of, 189,190 
Apparatus , description and mode of using one employed by 
Mr. Brodie in ascertaining the changes produced on air 
by the respiration of animals, - - 380, 381 
Arsenic , on its combinations with chlorine, - - 186 
-■ ■■ ■ its effects on the animal system ... 209 
- does not produce its effects on the stomach, until it 
is carried into the blood, - - - 210 
- — — — ~ its effects on a rabbit, - - - 211 
— — — on a dog, - - - 212 
its action on the system less simple than that of the 
majority of vegetable poisons, - - 214 
Arsenicans , the name given to a compound of arsenic and 
chlorine - - - - -188 
properties and composition of, - - 186,188 
Atmosphere , changes produced in it by the natural respiration 
of rabbits, - 383 5 384 
— — — — — changes produced in it by the artificial respiration 
of rabbits, - - - - 384, 388 
Atmosphere, comelic, extent of, - - - 122 
bright envelope of, - - ib. 
- — the disappearance of its transparent part, 
under the cover of the scattered light of the contracted 
envelope, - - - 128 
uncommon appearances in the dissolution 
of the envelope, - - - - 129 
Auk , little , (Alca Alle) on the peculiar formation of its diges* 
tive organs - - 397, 398 
B 
Balana Mysticetus, an account of some peculiarities in the 
structure of its organ of hearing, - - .83 
Barytes , muriate of, its effects on the animal system, « 218 
— — — . on a rabbit, - - 218 , 220 
- - — — — ■ on a cat, - - - 218 
- • — its principal action on the brain, , it also 
acts on the heart, - - - - 219 
Barytes , muriate of, it affects the stomach, but in a less degree 
than arsenic, - - - - 221 
