5o Records of the Indian Museum. [Vol. VIII, 



39. Psamtnodynastcs pulverulentus (Boie). 



Boulenger, Fauna, p. 363, and Cat. Snakes Brit. Mus., iii, 

 P- T-73- 



Specimens, 8 in all, were taken at the following places during 

 the Expedition: — Kobo, Balek, Rotung, the Sirpo valley near 

 Renging and Renging. The species is widely distributed in the 

 damper parts of the Oriental Region but does not occur in Penin- 

 sular India. Mr. Kemp's series exhibits a remarkable range of 

 colour-variation, no two individuals being precisely alike in coloura- 

 tion, 



40, Dryophis prasinus, Boie. 



Boulenger, Fauna, p. 369. 



A widely distributed species in the E. Himala3^as, Assam, 

 Burma, Indo-China and Malaysia. Specimens were taken at 

 Janakmukh by Capt. O'Neill and Capt. de Courcy, at Rotung by 

 Capt. F. H. Stewart and at Balek by Capt. Wilson. All belong to 

 the typical leaf-green form. 



Subfamily Elapinae. 



41. Callophis macclellandii (Reinh.). 



Boulenger, Fauna, p. 385, and Cat. Snakes Brit. Mus., iii, 

 p. 398, 



A very common snake in the hills of Assam, occurring also in 

 the E. Himalayas, Burma, S. China, etc. Two specimens of the 

 typical form were taken at Upper Rotung (2,000 ft.) by the 32nd 

 Sikh Pioneers. 



Fam. AMBLYCEPHAIvIDAE. 

 42. Amblycephalus monticola (Cantor). 



Boulenger, Fauna, p. 415. 



This snake, which occurs in the E. Himalayas, the hills of 

 Assam and the Nicobar Is., is evidently very common in the Abor 

 foot-hills. The 32nd Sikh Pioneers took 12 specimens of different 

 sizes while road-making in the neighbourhood of Upper Rotung in 

 Januar}'. They also caught specimens at Rotung and in the Sirpo 

 valley. 



Fam. VIPERIDAE. 



43. Lachesis monticola (Gunth.). 



Tnmeresurus monticola, Boulenger, Fauna, p. 426. 

 Lachesis monticola, id.. Cat. Snakes Brit. Mus., iii, p. 548. 



Widely distributed in the E. Himalayas, the mountains of 

 Assam, Burma and Yunnan and in hilly districts of the Malay 

 Peninsula, Two specimens were obtained, one at Rotung, the 

 other at Upper Rotung. Mr. Kemp tells me that he heard it stated 



