al">220. ““ effects of venom upon, 196. ““ resistance to large doses of venom, 199, 200, 201. ““““““ explanation, 200, 201. ““ washing of, important before presentation to action of venom, 196, 197. “ unaltered under action of simultaneous doses of venom and serum, 220. “ white, effects of venom on, 203. Bombay, laboratory for production of antivenomous serum at, 248, 252. Bonaparte, Lucien, chemistry of venom of vipers, 160. Bothrops, bites from, 353, 354. Bottard on venomous fishes, 288. Boulengerina, 58. “ stormsi, 58. Brachyaspis, 95. “ curta, 95. Brain, comparative action of venoms of ColubridÆ and ViperidÆ on, 185, 186. “ substance of, fixation of venom on, 186. Brazil, Thalassophryne maculosa found on shores of, 303. Brehm, on Crotalus confluentus, 125. “ the daboia (Vipera russellii), 46. “ Echis carinatus (efa, viper of the pyramids), 76, 77. “ reverence paid by Hindus to Naja, 38. Broad-headed snake, 94. See also Hoplocephalus variegatus. Briot, A., experiments with weever-venom, 298, 299. “ poison of Scolopendra prepared by, 280. Bromized water, saturated, modifies or destroys venoms, 164. Brown snake, 87. See also Diemenia textilis. Brunton, Sir Lauder, on harmless ingestion of venom exceeding lethal dose, 214. Bufo calamita (natter-jack), 318. “ musicus (musical toad), 318. “ viridis (green toad), 318. “ vulgaris (common toad), 318. Bufotalin, 319, 320. “ first active principle of toad-venom, and cardiac poison, 319, 320. Bufotenin, 320. “ second active principle of toad-venom, and neurotoxic poison, 320. Bungarus, 30. “ venom of, active hÆmolysing power possessed by, 199. “““““ cause, 181. ““ action on nervous centres profound, 185. ““ affinity of scorpion poison to, 278. ““ albumoses of, 162. ““ destroy coagulability of blood, 179, 188, 189. ““ dialyse slowly, 161. ““ lethal effects on mammals, 170. ““ minimum doses lethal for guinea-pig in twenty-four hours, 173. ““ precipitation of anticoagulant substance in, 195. ““ recovery rapid after non-lethal doses, 177. ““ resistant to heat, 161. ““ richness in neurotoxin, 249. Common rattle-snake, 125. See also Crotalus durissus. Congestin, poison from Anemone scultata, 271. Conjunctivitis caused by discharge into eyes of venom of spitting snake, 63, 64. Copperhead, 90. See also Denisonia superba. Coral-snake, 104. “ immunity from bite of, 238. “ venomous nature of, 108. “ See also Elaps corallinus. Coral or harlequin snake, 106. See Elaps fulvius. Cordier, D., cobra-bites treated with Calmette’s serum, 363. Cotes, E. C., on extraction of venom by charmers, 234. Cottus, 289, 290, 292. “ poison-apparatus of, 293. CrabronidÆ, 285. “ stings of females of, toxic to other insects, nearly harmless to man, 285. CrotalinÆ (ViperidÆ), 101, 109. “ characteristics of, 6. “ venoms of certain species of, non-coagulant, 191, 192, 193. “ See Ancistrodon; Lachesis. Crotalus (rattle-snake), 110, 122. “ comparative toxicity of organs, 220. “ eggs of, rich in poison, 220. “ poison glands of, 148. “ venom of, alkaloids in, 160. ““ comparison of toxicity by means of intra-cerebral injections, 186. ““ ingestion causing death, 300. Gouzien, Paul, collection of venom from poisonous snakes in French settlements in India, 359. ““ on collection of venom, 156. Grage (Lachesis atrox), immunity from bite of, 238. Grass-snakes, parotid glands of, 147. ““ withstand large doses of venom, 172. Gressin on poisoning from weever-stings, 299. de Gries on bites from Bothrops, 353, 354. Ground rattle-snake, 120. See also Sistrurus miliarius. Grunting batrachus. See Batrachus grunniens. Guiana, witch-doctors of, snake-bite remedies, 237, 238. Guinea-pig, minimal doses of various venoms lethal for, 173, 174, 175. “ vaccination against cobra-venom, 242.
HÆmolysins of venom, resistance to heat, 202. HÆmolysis, failure of, under exposure of red corpuscles to large doses of venom, 199, 200, 201. “ in venoms, comparative study of, 196. “ power of, possessed by various venoms, 199. HÆmorrhages produced by albuminoid of snake-venom, 162. “ visceral, complicating recovery from bites of ViperidÆ, 177, 178. HÆmorrhagin in venoms, 187. “ local effects of, not prevented by antineurotoxic serum, 251. “ predominance in venom of ViperidÆ, 249. HÆmorrhagin, present in some species of ViperidÆ, 249. “ sensitive to heat, 249. Hamadryas elaps, 37. See also Naja bungarus. Harlequin or coral snake, 106. See also Elaps fulvius. Heart, action of venom on, 184. Heat, comparative effect on venoms of ColubridÆ, HydrophiidÆ and ViperidÆ, 161. “ hÆmorrhagin sensitive to, 249. “ resistance of hÆmolysins of venoms to, 202. “ sole agent in attenuating venom submitted to alternating high frequency currents, 165. Heating destroys toxicity of blood of reptiles, 218. Hedgehog, immunity of, to venom of Vipera berus, 226. ““““ proved experimentally, 226. “ blood of, toxic before heating, antitoxic afterwards, 226. Heloderma horridum, 321. ““ saliva sometimes toxic, sometimes harmless, 323. ““ venom of, 321, 322. Hemibungarus,