00 



S. ELLiOTi, Gray. 



Scales 17. Ventrals 143-168. Rostral shorter than the 

 vertical. Brown, short yellow lateral streak, yellow caudal 

 ring. 



S. BICATENATA, Qthr. 



Scales 17. Ventrals 135. Rostral very short, vertical, 

 rhombic. Black above and below, with yellow dorsal scale 

 dots, and yellow lateral stripe. 



S. SHORTTii, Beddome. 



Scales 17. Ventrals 139, twice as broad as other scales. 

 Fourth labial longer than high. Black with irregular white 

 scales ; yellow lateral stripe and caudal ring. 



S. BEEVis, Othr. 



Scales 17. Ventrals 122. Body short. Brown, yellowish 

 below, subcaudals black with white lateral line. 



S. CANARICA, Beddome. 



Scales 15. Ventrals 154. Caudal disk laterally com- 

 pressed as in Plectrurus and, as in it also, ending in two 

 spines one above the other. Variable colour; brownish 

 with yellow anterior markings, yellow below. 

 HUls of South Canara. 



PLECTRURUS, B. and B. 



Head conical ; nasals contiguous ; supraciUary and post- 

 ocular disti/nct. Posterior part of tail compressed, covered 

 with keeled scales and ending in a horny scale with tivo 

 points one above the other. 



P. PERROTETii, D. and B. Plate VII, fig. 5. 



Scales 15, sometimes irregular. Ventrals 147-161, subc, 

 10-12. Uniform brown. Length 10-12 inches, 

 Nilgiris, 



