CROTALID^I. 623 



300. Crotalus miliarius (Linn.). Smaller Rattlesnake. 

 Hah. Canada. 



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



301. Crotalus horridus, Linn. Horrid Rattlesnake. 

 Hab. Nicaragua. 



a. Presented by Capt. J. M. Dow, F.Z.S., Nov. 11, 1878. 



6. Purchased, July 15, 1878. 



c, d. Purchased, Sept. 3, 1879. (Young.) 



e. Presented by Carl J. Schmettau, Esq., March 9, 1880. 



From Aracati. 

 /, g. Presented by Messrs. Holt, Lord, and Co., July 30, 



1880. 



h. Presented by H. E. Weaver, Esq., Oct. 16, 1880. 

 t. Presented by C. A. Craven, Esq., March 18, 1881. 

 j. Presented by Dr. A. Stradling, C.M.Z.S., April 12, 1881. 



From Gran Chaco. 

 k. Presented by Dr. A. Stradling, C.M.Z.S., June 15, 1881. 



From Bahia. 

 I. Presented by Dr. A. Stradling, C.M.Z.S., Dec. 6, 1881. 



Genus CENCHRIS. 



302. Cenchris piscivora, 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. 



t, j. Purchased, July 9, 1878. 



303. 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 CRASPEDOCEPHALUS. 



304. Craspedocephalus bilineatus, Max. Two-lined Palm-Viper. 

 Hab. Brazil. 



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

 From Bahia. 



