79 



528. Hydras Shiddil. 



Fig. Russell's Indian Serpents, vol. ii. p. 14. pi. 12. 



Hob. Tranquebar. Presented by the Hon. E. I. Company. 



Family 4. Viperida, Gray. 

 Face without any pit on the cheek. 



Genus PELIAS, Merrem. 



529. The Common Adder or Viper (Pelias Berus, Merrem ; Coluber 



Berus, Linn.). 

 Fig. Merrem, Tent. 148, 1820. Linn. Syst. Nat. i. p. 377. Bell, Brit. 



Kept. p. 58. 

 Hob. Europe. 







530. The Common Viper (Pelias Berus, Merrem). 



Fig. Shaw, Gen. Zool. vol. iii. p. 365. Penn. Brit. Zool. vol. iv. p. 25. 

 Hab. Europe. Purchased at the sale of the Leverian Museum. 



531. The Common Viper (Pelias Berus, Merrem). 



Hab. Europe. 

 The specimen in question was taken near Ilford, Essex. 



532. The Common Viper (Pelias Berus, Merrem). 



Fig. Cat. of Snakes in Brit. Mus. p. 31. 

 Hab. Europe. 



Genus CAUSUS, Wagler. 



533. The Causus (Causus rhombeatus, Wagler ; Coluber rhombeatus, 



Linn.). 



Fig. Wagler, Syst. 172. Cat. of Snakes in Brit. Mus. p. 33. 

 Hab. South Africa. 



