354 COLUBEIDiE. 



anal divided ; subcaudals 6U-79. Brown aliove, with or witlioub 

 darker spots and with a more or less distinct paler dorso-lateral 

 band ; lower parts cherry-red to purplisli black, with a yellow baud 

 on each side extending from the lips to the end of the tail. 



Total length 2 feet; tail o"5 inches. 



Hah. From Bengal, Assam, and the Khasi Hills to the Malay 

 Peninsula. 



Like Psammochjnastes pulvcruleatus, this iSnake has a repulsive 

 expression ; it is said to be of very fierce habits. 



Subfamily II. ACROCHORDINtE. 



Postfrontal bone produced over the supraorbital region. Scales 

 not imbricate. 



This group contains five genera : three with well-developed ven- 

 tral shields, viz. iStoUczl-aia, Jerd. (Khasi Hills), Xoiodcrmus, lleiidi. 

 (Java and Sumatra), and Nothoj>sis, Cope (Isthmus of Darien); 

 two without ventrals, viz. Acrochordus, Hornst. (Malay Peninsula 

 and Archipelago), and Ohersi/drns, Cuv. 



The two Indian genera are distinguished as follows : — 



Head aud belly shielded Stoliczkaia, p. 354. 



Head aud belly covered with small scales. . . . Chebsydhus, p. 355. 



Genus STOLICZKAIA, 



Jeidoii, P. A. S. B. 1870, p. 81. 



Fig. 103. — Head of Sfoliczl-aia Jchasiensis. 



'b 



Teeth small, subequal, about 14 in each maxillary. Head 

 distinct from neck, covered with large shields ; nostrils directed 

 forwards ; eye small, with round puj)il. Body slender, compressed ; 

 scales elliptical, strongly keeled, increasing iai size towards thy 



