INDEX 385 



Horse, minimal dose of venom lethal for, 176. 

 ,, polyvalent serum prepared from, 251. 



,, red corpuscles of, reasons for choice of, for exposure to action of venom, 196, 197. 

 ,, vaccination of, against cobra- venom, 244, 245. 

 Horse-serum must be added to venom to dissolve washed red corpuscles, 197. 

 Hottentots, venom of Bitis arietans employed for poisoning arrows by, 72. 

 Sydrelaips, 134. 

 HydrophiidcB (sea-snakes), 100. 



,, bite from, cure, 338. 



,, ,, rapidly produces general intoxication, 168. 



,, venoms of, resistant to heat, 161. 



HydropMincB (sea-snakes), 4, 131. 



,, ,, habitat dnd geographical distribution, 4, 5. 



,, ,, habits of, 131. 



Hydrophis (sea-snakes), 134. 



„ venom from, 360. 



ccBrulescens, 135. 

 cantoris, 135. 

 elegant, 135. 

 fasciatus, 136. 

 gracilis, 135. 

 leptodira, 136. 

 nigrocinctus, 135. 



obscurus (syn. H. stricticoUis) , 136. 

 spiralis, 135. 

 Hydrus, 132. 

 Hymenoptera, 281. 



,, poison-glands of, 281, 282. 



Hypoohloride of calcium solution modifies or destroys venoms, 164. 

 Hypochlorite of lime, antidote to venom before absorption, 261, 263. 



,, ,, remedy for wasp- or bee-sting, 286. 



Hypochlorites, alkaline, antidotes to venoin before absorption, 261. 

 Hypoleuoocytosis, accompanying snake-bite, in lethal cases, 211, 212. 

 ,, following fatal dose of venom, 216. 



Immunity to venom, active, inoontestably possible, 240. 

 ,, doubtful, by Vatuas' method, 239. 

 ,, hereditary, pretended, 238. 

 „ „ „ in India and Egypt, 240. 



,, natural, 222. 



,, partial, enjoyed by snakes due to diastasic substances in blood, 

 218, 219. 

 ,, ,, in lethal doses not conferred by ingestion of venom, 215. 



India, French Settlements in, collection of venom and treatment of bites from poisonous 

 snakes in, 359. 

 ,, legend relating to Naja in, 37. 

 ,, mortality from snake-bite in, 2, 38, 363. 

 ,, ,, ,, ,, excessive, due to snake-worship, 2. 



,, „ ,, Jfo/o bites, 38. 



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