382 VENOMS 



Elaps surinamensis, 102. 



„ tschiidii, 104. 

 Electricity passed through solution of venom in form of i continuous electrolytic current 



destroys toxicity, 165. See also High frequency currents. 

 Embryo, anomalies in development consequent on introduction of venom into eggs of 



fowl, 214. 

 Enhydrina, 139. 



,, venom of, fixation on nervous elements, 186. 



,, hengaUnsis (syn. E. valakacUen), 139. 



„ valakadien (syn. E. bengalensis), 139. 



,, ,, venom of,^ss lethal for different animals, 174. 



Enhydris, 138. 



„ curtus, 138. 



„ „ venom of, dose lethal for rat, 174. 



Entomophaga, 286. 



Eosin, photodynamic action of, diminishes toxicity of venoms, 167. 

 Epeira, 276. 



Erythrosin, photodynamic action of, diminishes toxicity of venoms, 167. 

 Europe, poisonous snakes inhabiting, 22-29. 



,, ,, geographical distribution of genera (tables), 142. 



„ (Central). See Alps. 



„ Triton cristatus and T. marmoratus found in, 313. 

 Ewing, action of venom on brain, 185. 



Facial bones, special arrangements of, characteristic of poisonous snakes, 6. 

 Pasting, prolonged, snake-venom shows greatest activity after, 176. 

 Faust, S. , salamaudrine prepared by, 316. 

 Payrer, Sir J., fatal results of experimental ingestion of venoms, 180. 



,, „ on the daboia (Vipera mssellii), 47. 



,, ,, habits of the krait {Bimgarus candidus), 33. 



,, „ harmless ingestion of venom exceeding lethal dose, 214. 



,, „ Naja bungarus, 39. 



Feeding, artificial, in laboratories for collection of venom, 157. 



,, ,, of poisonous snakes, 17, 18. 



Fer-de-lauce {Lachesis lanceolatus), 112, 113, 114. 

 F^re, Ch., experiments on development of embryo after introduction of venom into fowl's 



egg, 214. 

 Fishes succumb rapidly to snake-venom, 172. 

 ,, venomous, 2b8. 



,, f„ poison-apparatus of, 289. 



Flexner and Noguohi, on action of snake-serum on red corpuscles, 219. 

 ,, ,, cytolytic action of ^venoms, 206. 



,, ,, iavestigations on toxicity of snakes' organs, 220. 



Food, abstinence from, by snakes, 149. 

 Fowls killed by causing them to ingest venom, 180. 

 Pox, W. A., bite from Sepedon fimmachates, 337. 

 Prance, mortality from snake-bite in, 3. 

 Fraser, on destructive action of bile on cobra-venom, 215. 



