922 



MK. G. A. BOULBNaBE ON SOME 



[Dec. 1, 



Head once and tvvo-tliirds to twice as long as broad. Upper 

 head-shields smooth, or frontoparietals and parietals slightly- 

 sculptured ; frontonasal as long as broad or longer than broad ; 

 anterior supraocular not bordered with granules ; interparietal 

 suiall, separated from the very small occipital by one or two small 

 shields ; an elongate shield on the outer border of the parietal ; 

 temporal scales granular, smooth ; subocular usually bordering the 

 lip, between the iifth and sixth or sixth and seventh, rarely 

 seventh and eighth or eighth and ninth, upper labial shields ; the 

 subocular, however, sometimes excluded from the labial border, its 



point wedged in between two labial shields ; the two or three 

 anterior pairs of chin-shields in contact. Collar with 6 to 12 

 shields. Dorsal scales granular, flat, smooth, 65 to 78 across the 

 middle of the body. Six or eight longitudinal series of ventral 

 plates, the outer series, if developed; formed of very narrow 

 shields ; 25 to 29 transverse series. A large median j^ra'anal, 

 sometimes replaced by three smaller shields forming a triangle. 

 The hind limb reaches the eye or between the eye and the nostril ; 

 foot as long as the distance between the arm and the nostril or 

 the tip of the snout, or slightly longer ; scales on limbs unicarinate. 

 15 to 22 femoral pores on each side. Tail twice to twice and a 

 half as long as head and body; upper caudal scales strongly 

 keeled. Whitish, pale greyish, yellowish or pale buff above, dotted, 

 marbled, or vermiculate with blackish or rust-red, with a more or 

 less distinct dark, light-edged vertebral stripe ; limbs with large 

 dark marblings. Young with five dark dorsal stripes separated by 



