136 COLUBRIDvE. VIPERIDjE. 



Genus ZAMENIS. 



44. Zamenis atrovirens, Shaw. Dark-green Snake, 

 Hab. Dalmatia. 



a. Purchased, Dec. 29, 1862. 

 I. Purchased, Aug. 8, 1863. 



45. Zamenis cliffordii (Schleg.). Clifford's Snake. 

 Hab. Egypt. 



a. Purchased, Aug. 8, 1863. 



Family ELAPID^E. 



Genus NAIA. 



46. Naia tripudians (Merr.). Indian Cobra. 

 Hab. India. 



a. Purchased, May 24, 1862. 



Family VIPERID^E. 



Genus CENCHRIS. 



47. Cenchris piscivorus, Gray. Water Viper. 

 Hab. North America. 



ctr-e. Received in exchange, 1858. 



Genus VIPERA. 



48. Vipera ammodytes, Klein. Sand Asp. 

 Hab. Egypt. 



a, b. Purchased, Aug. 8, 1863. 



Genus PELIAS. 



49. Pelias berus, Merr. Common Adder. 

 Hab. British Islands. 



a. Presented by F. T. Buckland, Esq., F.Z.S., May 11, 1864. 



b. Presented by E. J. Lowe, Esq., June 28, 1864. 



