Dr. J. E. Gray on some new species of Reptiles. 391 



across the eye to the side of the neck. Eyes rather large. Scales 

 smooth ; ventral shield obtusely keeled on each side, with an 

 opake white narrow streak at the keel. 



Hab. Khassia. 



Like^. fricolor, Schle'gel, Phys. Serp. 187. t. 6. f. 16. 18, from 

 Java, and H. Olfersii, Schlegel, I. c. 183. t. 7. f. 14. 5, from the 

 Brazils, in colour, but has a larger eye than the former, and not 

 so large a one compared with the size of the head as the latter, 

 besides other characters. 



Tropidonotus umbratus. 

 Hab. Sikkim ; Terai. 



Tropidonotus stolatus. 

 Hab. Khassia. 



Fam. CrotalidjE. 



* Second labial shield very high, forming the front of the subor- 

 bital pit, the third large ; back uniform greenish, with awhile 

 lateral streak. 



1. Trimesu7-us viridis, Lac^p.; Cat. Snakes Brit. Mus. 



Green beneath, white sides, with a white and brown nearly 

 continuous lateral streak ; superciliary shield large, oblong. 



Coluber gramineus, Shaw, and 



Vipera viridis, Daud., both from Bodroo Pam (Russell, Ind. 

 Serp. i. t. 97. f. 10). 



Hab. Sikkim Himalaya. 



Appears to be spread over all parts of continental India. 



The lower half of the lowest series of scales is bright brown, 

 the upper half of the tip white, forming, with the indistinct spot 

 on the lower edge of the second series of latei'al scales, the white 

 lateral streak ; the superciliary shield is large. 



2. Trimesurus elegans. 



Green, beneath paler, whitish ; scales of the back moderate, 

 smooth, not keeled, the lateral series rather broader, the first 

 lateral series green, with a small white spot on the hinder part 

 of the upper edge forming an interrupted lateral line; the 

 superciliary shield very small, rudimentary, linear. 



Hab. Sikkim. 



Known from the former species by the small size of the 

 superciliary shields, the smooth scales, and the narrowness of 

 the lateral streak, and by the absence of the reddish brown 

 .streak beneath it. 



