622 VIPERIM. CROTALIM. 



295. Viper a cerastes (Linn.). Cerastes Viper. 

 Hab. Egypt. 



a, b. Eeceived in exchange, Oct. 11, 1869. 

 c-e. Eeceived in exchange, May 17, 1871. 

 /. Deposited, Dec. 17, 1881. 



Genus ECHIS. 



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

 Hab. India. 



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

 d. Presented by Capt. C. S. Sturt, C.M.Z.S., March 22, 



1880. 



Family CROTALID^l. 



Genus CROTALUS. 



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

 Hab. North America. 



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



o-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 Jc. Received in exchange, Sept. 21, 1875. 



I. Purchased, Eeb. 21, 1877. 



m. Deposited, May 14, 1878. 



298. Crotalus lecontii. Leconte's Rattlesnake. 

 Hab. Western States of North America. 



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



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



299. Crotalus confluentus (Say). Confluent Rattlesnake. 

 Hab. North America. 



a-c. Presented by W. A. Eorbes, Esq., F.Z.S., Jan. 7, 1882. 



From Dakota, U.S.A. 

 d, e. Presented by Samuel Garman, Esq., Nov. 3, 1882. 



From S.W. Dakota. 



