516 COLUBRTD^:. 



189. Tropidonotus quincunciatus (Schleg.). Indian River- 



Snake. 



Hob. India. 



a. Purchased, July 4, 1861. 



190. Tropidonotus vittatus (Linn.) . Lang-banded Snake. 

 Hab. India. 



a-d. Received in exchange, July 31, 1878. 



191. Tropidonotus ordinatus, Linn. Garter-Snake. 

 Hab. North America. 



a-d. Presented by A. Downs, Esq., C.M.Z.S., Oct. 2, 1863. 



e, f. Purchased, July 22, 1868. 



g-m. Presented by A. Downs, Esq., C.M.Z.S., Aug. 26, 



1869. 



n. Presented by A. Downs, Esq., C.M.Z.S., Oct. 3, 1871. 

 o. Presented by A. Forrer, Esq., Aug. 20, 1873. Yar. in~ 



fernalis. From California. 



192. Tropidonotus fasciatus (Linn.). Mocassin Snake. 

 Hab. North America. 



a, I. Purchased, Oct. 15, 1869. 



c, d. Purchased, Aug. 6, 1872. 



e. Purchased, July 26, 1876. 



f-s. Born in the Gardens, Dec. 21, 1877. 



t-a\ Born in the Gardens, Sept. 26, 1878. 



193. Tropidonotus leberis (Linn.) . Seven-banded Snake. 

 Hab. North America. 



a, b. Purchased, Aug. 6, 1872. 



c-i. Bred in the Gardens, Aug. 27, 1872. 



j-n. Purchased, July 9, 1878. 



Genus ISCHNOGNATHUS. 



194. Ischnognathus occipito - maculatus (Storer). Spotted - 

 headed Snake. 



Hab. Nova Scotia. 



a-f. Presented by A. Downs, Esq., G.M.Z.S., Oct. 3, 1871. 



