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GoNGYLOPHis, Wagler. 



Head flat, scarcely distinct from neck. Tail very short, taper- 

 ing. Head covered with scales, only the fore part of the snout 

 and lips shielded. Scales small, keeled. Ventrals and subcaudals 

 narrow. 



G. conicus, Schn. 



Rostral shield nearly twice as broad as high, with two pairs of 

 small shields behind, the outer of which are the anterior nasals. 

 12 upper labials, low, subequal. Orbit surrounded by scales. 

 Scales in 41 to 47 rows in the centre of body, keeled. Colour 

 brownish grey, with a dorsal series of large quadrangular brown 

 blotches edged with dark brown and whitish, often confluent 

 and forming a zig-zag band, with small irregular spots below. 

 Beneath white. A brown temple streak behind the eye. 



Grows to 25 inches. 



Inhabits Peninsular India. 



Eryx, Daudin. 



Head covered with scales, not distinct from the neck, obtusely 

 conical with a trenchant anterior edge to the snout. Body 

 cylindrical. Skin thick and loose. Tail very short. Eye small, 

 with vertical pupil. Scales small, slightly keeled. Chin with a 

 median groove. 



E. Johnii Russell. 



E. maculatus, Hallowell. 



Two pairs of small frontals. 10 to 13 upper labials, none of 

 which enter the orbit, which is surrounded by scales. Scales on 

 body in from 54 to 65 rows. Colour above reddish brown, with 

 or without some irregular black spots and dots. Belly pale, 

 dark marbled. Young specimens with three or four brownish 

 rings round hind part of body. 



Grows to 48 inches. (Tail 4.) 



Inhabits Peninsular India. 



This snake is commonly kept by snake-charmers, and is the 

 " double-headed snake" of Europeans. 



