117 



121. PtyctolaBmus gularis. 



Otocryptis (Ptyctolsemus) gularis, Peters, MB. Ak. Serl. 1864, 



p. 386. 

 Ptyctolaemus gularis, Bouleng. Cat. Liz. i, p. 273. 



Fig. 39. Throat and foot of Ptyctol&miis gularis. 



Head rather elongate, the snout longer than the diameter of the 

 orbit ; canthus rostralis and supraciliary edge angular ; upper head- 

 scales unequal, keeled ; 8 upper and as many lower labials. A 

 slight indication of a nuchal crest ( $ ). Dorsal and lateral scales 

 small, feebly keeled, with some irregularly scattered enlarged and 

 strongly keeled; ventrals larger, strongly keeled. Limbs above 

 with subequal scales ; the hind limb stretched forwards reaches 

 the posterior border of the orbit ; fifth toe as long as third. Tail 

 roundish, slender, a little more than twice as long as head and 

 body, covered with subequal keeled scales. Olive-brown above, 

 with darker transverse spots; two curved dark-brown cross bands, 

 separated by a light one of equal width, between the eyes ; an oblique 

 dark-brown band from lelow the eye to the angle of the mouth ; 

 limbs and tail above with dark cross bands ; the skin in the gular 

 folds black. 



From snout to vent 2 '75 inches ; tail 6-25. 



H(ib. Only two specimens of this lizard are known : the type in 

 the Berlin Museum, which I have examined, said to be from Cal- 

 cutta ; the other, in the British Museum, is from Sadiya, in Assam. 



Genus COPHOTIS, 

 Peters, MB. Ak. Berl. 1861, p. 1103. 



Tympanum hidden. Body compressed, covered with large sub- 

 equal irregular scales. A dorsal crest. A very small gular sac in 

 both sexes ; a slight transverse gular fold. Tail prehensile. No 

 femoral or prseanal pores. 



Two species are known, one inhabiting Ceylon, the other 

 Sumatra. 



