COPHOTIS. 117 



121. Ptyctolaemus gularis. 



Otocrvptis (PtTctolsemus) gularis, Peters, MB. Ah. JSerl. 1864, 



p. 386. 

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



Fig. 30. — lliroat and foot o^ Pfycfola^mis gitlaris. 



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

 orbit ; canthus rostralis and supraeiliary 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, coA^ered 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 below 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. 



Hah. Only two specimens of this lizard are known : the type in 

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

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



Genus COPHOTIS, 

 Peters, MB. Ak. Berl. 1861, p. 1108. 



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 prceanal pores. 



Two species are known, one inhabiting Ceylon, the other 

 Sumatra. 



