128 



Gauthus rost-ralis and supraciliary ridge not well defined ; upper 

 head-scales obtusely keeled, of different sizes ; no spines on the head. 

 A slight fold above and in front of the shoulder. Nuchal crest com- 

 posed of six to eight triangular spines, disappearing a short way 

 behind the shoulders. Dorsal scales of moderate size, keeled ; those 

 on the side of the back directed upwards and backwards, and those 

 below downwards and backwards; a few large keeled scales scattered 

 over the sides ; scales of chest and belly of moderate size and strongly 

 keeled. The hind limb extends to the angle of the jaw. Base of 

 tail compressed, but thick and somewhat rounded. Oeneral colour 

 above olive, irregularly variegated with brown and yellow, these 

 colours having a tendency to arrange themselves in cross bands ; a 

 broad black band from the posterior margin of the eye to the tym- 

 panum ; black streaks radiate from the eye ; under surface olive- 

 green. 



Size of A. major. 



Nab. Ponsee, Kakhyen Hills, N. Burma. I have not seen ex- 

 amples of this species. 



136. Acanthosaura major. 



Oriocalotes major, Jerdon, P. A. S. B. 1870, p. 77. 



Charasia major, Theob. Cut. p. 113. 



Acanthosaura major, Souleny, Cat. Liz. i, p. 306, pi. xxiii, fig. 3. 



Snout longer than diameter of orbit ; canthus rostralis and 

 supraciliary edge angular ; tympanum a little larger than eye- 

 opening; upper head-scales unequal, keeled, a series of larger ones 

 bordering the supraorbital region inside ; no postorbital spine ; a 

 row of projecting triangular scales borders the head behind ; 7 

 upper and as many lower labials ; gular scales smaller than ventrals, 

 feebly keeled. A rather indistinct oblique fold in front of the 

 shoulder. Nuchal and dorsal crest continuous, reduced to a serrated 

 ridge. Dorsal scales very irregular, some very small, others very 

 large ; all are distinctly keeled, and the upper have their points 

 directed upwards and backwards ; ventral scales distinctly keeled, 

 smaller than the largest dorsals. Limbs above with unequal keeled 

 scales ; fourth finger very slightly longer than third ; the adpressed 

 hind limb reaches the tympanum. Tail compressed, 1| times as 

 long as head and body, covered with unequal keeled scales. Olive 

 above; back with six large angular blackish cross bands, with the 

 angles directed backward ; flanks reticulated with blackish ; head 

 above with blackish cross streaks ; an oblique black band from the 

 eye to the tympanum, continued along the side of the neck ; limbs 

 and tail with dark cross bars. 



From snout to vent 3-7 inches ; tail 6. 



Hob. Western Himalayas (Valley of the Sutlej, near Kot- 

 garh). 



