46 PSAMMOPHIID^S. CROTALID^E. 



Family PSAMMOPHIID^E. 



Genus PSAMMOPHIS. 



150 a. PsammopMs elegans, Shaw. Slender Sand-Snake. 

 Hab. West Coast of Africa. 



a-e. Presented by C. B. Mosse, Esq., C.M.Z.S., July 4, 



1872. 

 d. Purchased, June 21, 1873. 



Family CROTALID^). 



Genus CROTALUS. 



177 a. Crotalus miliarius (Linn.) . Smaller Rattlesnake. 

 Hab. Canada. 



a. Presented by J. W. James, Esq., Nov. 30, 1873. 



