VIPERIM. CROTALID^I. 193 



70. Clotho rhinoceros, Schl. River-Jack. 

 Hab. West Africa. 



a. Presented by George Atkins, Esq., Oct 23, 1865. 



71. Clotho cornuta (Daud.). Horned Viper. 

 Hab. South Africa. 



a-d. Purchased, July 20, 1865. 



Family CROTALID^E. 



Genus CROTALUS. 



72. Crotalus durissus (Daud.). Rattle-Snake. 

 Hab. North America. 



a. Male ; b. Female. Purchased, July 3, 1862. 



Genus CRASPEDOCEPHALUS. 



73. Craspedocephalus bilineatus, Wied. Two-lined Palm- 



Snake. 

 Hab. Brazil. 



a. Presented by Dr. Wucherer, C.M.Z.S., Oct. 1, 1864. From 

 Bahia. 



