Earth- Snakes of India and Ceylon. 11 



Ventrals 193 in males to 208 in females .... ocellata. 

 „ 173 in males to 188 in females .... liura. 

 Not ocellated. 



Ventrals 22(5 in females maerorhijiicha, 



„ 188 in males to 194 in females .... nitida. 

 „ 156 in males to 106 in females .... Didanogaster. 

 Snout variable, pointed or obtuse ; ventrals 147- 



184 Elliotii. 



Snout obtuse. 



Nasals not separated by rostral. 



Without red markings Petersi. 



With red blotches mavulata. 



Nasals separated by rostral. 



Belly brown, with yellow blotches or crossbars. . pulneyensis. 



Belly uniform yellow G'dntheri. 



Scales in 15 rows macro/epis. 



* Scales in 19 roivs. 

 II Caudal diskjlai ; snout 'pointed. 



Silyhura Brougliami. 



Silyhura Brougliami, Bedd. Proc. Zool. Soc. Nov. 1878. 

 Silyhura Levingii, Bedd. I, c. 



Snout pointed ; rostral longer than the vertical, verticallj 

 compressed into a sharp ridge, produced back, but not quite 

 separating the nasals ; eye verj small ; caudal disk flat (the 

 scales generally more or less confluent), prominently 3-5- 

 keeled (or with many more keels when confluent) ; the ter- 

 minal scute rough, bicuspid, the points side by side ; no chin- 

 shields between the first pair of lower labials and the ventrals ; 

 ventrals about twice as large as the adjoining scales, from 196 

 in males to 228 in females j subcaudals about ten pairs in 

 males and six pairs in females. Length about 16-17 inches, 

 girth up to If inch. Brown with a series of transverse wavy 

 black blotches in which are present ocellated white spots, the 

 sides with yellowish angular blotches ; ventrals dark brown. 



Hub. The Sirumallays, Madura district, 5000 to 5500 feet 

 elevation \ the Lower Pulneys 4000 feet elevation. 



nil Caudal disk convex : snout pointed. 

 Silyhura grandis. 



Rninophis grandis, Bedd. Madras Quarterly Journal of Medical Science, 



1867, cum icon. 

 Silybura grandis, Giinther, Proc. Zool. Soc. March 16, 1875, 



Snout rather pointed ; rostral one third to one fourth the 

 length of the head, simply convex above, produced back, but 

 only rarely quite separating the nasals, which generally form 

 a suture behind it ; eye very small, in front of ocular shield ; 



