“ “ neutralisation of snake-venom by, 253-258. “ “ “ “ “ experiments showing necessary proportions to effect, 254, 255. “ “ polyvalent, 251. “ “ “ prepared from horse, 251. “ “ preparation of, 246. “ “ “ test-solutions, 217. “ “ “ at Pasteur Institute, Lille, 245-248. “ “ “ special laboratories, 248, 252. Serum, antivenomous, preventive power tested by intravenous injection, 246. “ “ rules respecting proportions of quantity to be administered, 266, 267, 268. “ “ specificity of, 248. “ Calmette’s, in treatment of cobra-bites, 363, 364, 365. “ therapeutics, antivenomous, 241-252. “ “ “ technique of, 262-265. “ _See also_ Snake serum. Serums, specific against coagulant venoms, 192. Sewall on vaccination of pigeons against rattle-snake venom, 241. _Siluridæ_, 307, 308. _Silurus glanis_, 308. _Sistrurus_, 110, 120. “ _catenatus_ (prairie rattle-snake, or massasanga), 120. “ _miliarius_ (ground rattle-snake), 120. “ _ravus_, 120. Skin, marks produced on, by bites of different species of snakes (venomous and non-venomous), 10. Smell, loss of, following bite of viper, 178. Smith, MacGarvie, researches of, 149. “ “ on chemical constituents of venom, 160. “ “ and Martin, C. J., on local and general effects of albumoses derived from snake-venoms, 163. Snake-bite, death from, rapid putrefaction following, 211, 212. “ hypoleucocytosis accompanying, in lethal cases, 211, 212. “ mortality from, 2, 3, 38, 57, 100, 261, 363. “ non-lethal, suppuration following, 212. “ poisonous, treatment in domestic animals, 265. “ “ “ men and animals, 259. “ “ “ _See also_ Serum therapeutics, antivenomous. Snake-charmers, 228. “ deaths from bites, 234. “ Egyptian, 228-229. “ “ employment of _Naja haje_ for performances, 61. “ Indian, 229-234. “ Libyan, 228. “ Roman, 228. “ safety in skill, 234. Snake-serum combined with snake-venom does not destroy red corpuscles, 220. “ dissolution of red corpuscles by, 219. Snake-venom, action on heart, 184. “ “ kidney, 183. “ “ liver, 182. “ “ lungs, 184. “ “ nervous centres, 185. “ “ spleen, 183. “ “ striated muscles, 184. “ activity greatest after prolonged fasting and after moult, 176. “ aids digestion of prey, 213, 214. Snake-venom, antagonism between coagulant and anticoagulant kinds, 194. “ antidotes to, before absorption, 260, 261. “ artificial introduction into egg of fowl, effect on embryo, 214. “ bacteriolytic action, 206. “ “ substance in, peculiarities of, 207, 208. “ chemical study of, 159. “ collection of, 147, 152-158. “ “ in French Settlements in India, 359. “ combination with lecithin, 254. “ combined with snake-serum does not dissolve red corpuscles, 220. “ complex effects on tissues, 215. “ complexity of means of defence against, 215. “ cytolytic action, 206. “ diastasic action of, 212. “ dried, 149.