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Length, body SIO^ tail 6'25 = 9'35 inches. 

 Inhabits the Sutlej valley near Kotgurh. 



Tail round not verticillate. No gular sack A transverse gular 

 row of small scales. Oreotiaris Ounther. 



C. tricarinata, Blyth. 



Calotes tricarinatus, Blyth. J. A. S., B., 1853, p. 650. 

 Tiaris EUioUi, Giinther, P. Z. S., 1860, p. 151. 

 Oriotioris Elliotti Giinther. I. R., p. 150. 

 Scales slightly keeled. A central occipital one, slightly larger. 

 Interorbital space very narrow. Muzzle ridge and edge of orbit 

 form a continuous sharp edge. Nostril small, in a single shield 

 over the first labial. Mental shield subtriangular, longer than 

 broad. Five lower labials. Throat covered with imbricate keeled 

 scales. A small conical tubercle behind the orbital edge, and 

 another on the throat below the tympanum. A series of 

 tubercles above the tympanum, stretching towards the nuchal 

 ridge. A series of enlarged keeled scales along the back, to the 

 root of the tail. Scales of the belly imbricate, rhombic subequal 

 and regulady ranged. Prseanals not enlarged. Scales of tail imbri- 

 cate. Colour olive brown, variegated darker in males. Beneath 

 dull yellowish. 



Length, body 2'50 ; tail 4i'50 =7"00 inches. 

 Inhabits Sikkim. 



Tail slighUy compressed, suh-verticillate. No gular sack. A 

 gular cross fold. A tubercular spine on the hinder super- 

 ciliary edge. Charasia Gray. 



C. dorsalis, Gray. 

 Head depressed, triangular. Body covered with subimbricate 

 keeled scales, with larger ones mixed, not always very distinct; in 

 130-140 rows round the body. Throat covered with small smooth 

 scales and a series of five larger ones, on each side of the chin, 

 separated from the lower labials. Mental elongate, triangular, 

 pointed behind. Two groops of small spines above the tympan- 

 um. Nuchal and dorsal crests, low. No enlarged prseanals.. 



