298 VENOMS 
Snake-venom, antagonism between coagulant and anticoagulant kinds, 194. 
2 antidotes to, before absorption, 260, 261. 
5 artificial introduction into egg of fowl, effect on embryo, 214. 
5 bacteriolytic action, 206. 
a 3 substance in, peculiarities of, 207, 208. 
Ae chemical study of, 159. 
- collection of, 147, 152-158. 
ys “3 in French Settlements in India, 359. 
5 combination with lecithin, 254. 
2 combined with snake-serum does not dissolve red corpuscles, 220. 
5 complex effects on tissues, 215. 
a complexity of means of defence against, 215. 
+ cytolytic action, 206. 
1 diastasic action of, 212. 
55 dried, 149. 
- effects of, in non-lethal doses, 177. 
Fr extraction of, by Hindus, 233. 
_ “A from Alcatifa, for inoculation, 239. 
5 freshly collected, 149. 
a hypoleucocytosis following fatal dose, 216. 
a immunity to, 222. 
Ae 5 from inoculation, 234-235. 
” 5 of herons to, probable, 226, 227. 
=. ingestion of, fails to secure immunity to lethal dose, 214, 215. 
À ‘5 harmless, 214. 
3 lethal to snakes of other species, 219. 
=f neutralisation by antitoxin, 253-258. 
Re injection of antitoxic serum, second step in treatment 
after bite, 262. 
=f no strict ratio between dose inoculated and time elapsing till death, 177. 
2 parallelism between neurotoxic and hæmolytic action, 255. 
$5 prevention of absorption first step in treatment after bite, 262. 
_ produces acute inflammation of mucous membrane, 180. 
re protective réle of leucocytes against, 216. 
5 proteolytic action, 204. 
Fe re-constitution, method of, 257, 258. 
ER secretion of, 147-152. 
% temperature lowered after fatal dose, 216. 
. toxic conditions of, 151. 
a vaccination against, 241. 
- variations in local effects of, 176. 
Snakes, coloration of, 15, 16. 
3 ar subject to biological laws of mimicry, 15, 16. 
= cranial skeleton of, 6. 
dentition of, 6. 
55 moulting of skin, 16, 20. 
;,  non-poisonous, arrangement of scales on head of, 14. 
a poison-glands in, 217. 
a ss venomous saliva of, 214. 
