528 VIPERID^E. CROTALID^I. 



Genus ECHIS. 



250. Echis carinata (Merr.) . Carpet-Viper. 

 Hab. India. 



a-c. Presented by Dr. John Shortt, E.Z.S., May 19, 1875. 



Family CROTALIDJE. 



Genus CENCHRIS. 



251. Cenchris pisciv or a, Gray. Water- Viper. 

 Hab. North America. 



a-e. Received in exchange, 1858. 



/. Bred in the Gardens, Jan. 1865. 



g. Purchased, Aug. 6, 1872. 



h. Presented by F. Painter, Esq., June 30, 1874. 



i, j. Purchased, July 9, 1878. 



252. Cenchris contortrix (Linn.). Copper-head Snake. 

 Hab. Tennessee, United States of America. 



a. Presented by Dr. F. Painter, F.Z.S., Aug. 17, 1878. See 

 P.Z.S. 1878, p. 631. 



Genus CROTALUS. 



253. Crotalus durissus (Daud.) . Common Rattlesnake. 

 Hab. North America. 



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

 cr-e. Purchased, June 28, 1867. 

 /. Born in the Menagerie, Nov. 9, 1867. 

 g. Presented by J. S. Townsend, Esq., July 22, 1870. 

 h. Purchased, Sept. 18, 1873. 

 i. Purchased, June 8, 1876. 

 j 9 lc. Received in exchange, Sept. 21, 1875. 

 I. Purchased, Feb. 21, 1877. 

 m. Deposited, May 14, 1878. 



254. Crotalus lecontii. Leconte's Rattlesnake. 

 Hab. Western States of North America. 



a. Received in exchange, Oct. 25, 1870. 



6, c. Presented by W. G. Marshall, Esq., Sept. 18, 1878. 



