350 COLUBRID^E. 



b, c. Purchased, June 15, 1870. 



d. Purchased, Aug. 16, 1870. Prom Mogadore. 



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

 Hab. North Africa. 



a. Purchased, Aug. 8, 1863. 



b, c. Purchased, Aug. 16, 1870. From Mogadore. 



Genus TROPIDONOTUS. 



134. Tropidonotus natrix (Linn.) . Common Snake. 

 Hab. British Islands. 



a-d. Presented by Dr. Bowerhank, F.Z.S., May 8, 1871. 

 e, /. Variety. Purchased, June 6, 1871. 

 g, h. Yar. siculus, Eeceived in exchange, Sept. 11, 1871. 

 From Calabria. 



135. Tropidonotus viperinus (Merr.) . Viperine Snake. 

 Hab. North Africa. 



a. Purchased, June 15, 1870. 



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



Snake. 



Hab. India. 



a. Purchased, July 4, 1861. 



137. 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. 



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

 Hab. North America. 



a, b. Purchased, Oct. 15, 1869. 



