478 AJSTNXTAL REPORT SMITHSONIAN INSTITUTION, 19 64 



Table 1. — Some venomous snakes of the world 



Snake 



Europe: 



Viper {Viper a) : 



Common viper {V. berus) 



North America: 



Rattlesnake (Crotalus) : 



Eastern diamond (C. adaman- 



teus) 



Western diamond (C atrox) 



Moccasin (Agkistrodon) : 



Cottonmouth (A. piscivorus) 



Copperhead (A. contortrix) 



Coral (Micrurus): 



Coral snake (ilf . fulvius) 



South America: 



Rattlesnake (Crotalus): 



Tropical rattlesnake (C. durissus 



terrificus) 



New World pit vipers (Bothrops) 



Fer-de-lance {B. atrox) 



Bushmaster (Lachesis) : 



Common bushmaster (L. muta)-. 

 Australia: 



Tiger snake (Notechis scutatus) 



Asia: 



Cobra (Naja): 



Indian cobra ( A^. naja) 



Viper (Vipera): 



Russell's viper (V. russelli) 



Krait (Bungarus): 



Common krait {B. caeruleus) 



Africa: 



Viper (Vipera): 



Puff adder (Bitis arietans) 



Mamba (Dendroaspis) : 



Green mamba (D. anguslriceps)-- 



» Dose required to kill 50 percent of the test animals of a given group. 



Table 2. — Some venomous aqtiatic animals of the icorld 



Coelenterata : 



Fire coral (Millepora alcicornis) 



Portuguese man-o'-war (Physalia physaUs) 



Sea nettle (Dactylomctra quinquecirrha) 



Certain sea anemones 

 Mollusca : 



Geographer cone (Conus geographus) , textile cone (Conus textile) 



Common octopus (Octopus vulgaris) 



