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centre of belly and tip of tail black. Length 4 inches, of which 

 the tail is more than half. 



Inhabits Tibet at 15,000. Lake Choraoi-iri, &c. 



I am not aware if this interesting species is found on the 

 Southern slopes of the Himalayas. These lizards are monogam- 

 ous, two occupying a shallow burrow in the earth, the mouth of 

 which is usually concealed by a stone or tuft of grass. 



B. Femoral or prseanal pores or callous scales in their place. 



TyTYipanum naked. 



Stellio, Daudin. 



Body depressed. Scales of back and sides unequal in size and 

 shape. Tail round, scales irregularly verticillate. Throat with 

 a cross fold. No gular sack. No femoral or prseanal pores, but 

 thickened spongy scales in the prseanal region, 



S. tuberculatus. Gray. 

 S. Indicus, Blyth. 

 Barycephalus Sykesii, Gunther. I. R., p. 157. 



Enlarged scales along the back in 13 to 17 longitudinal series. 

 A minute nuchal crest, but the scales not enlarged on the middle 

 of the neck. An enlarged row of scales below the eye. The 

 scales of the belly in 48-54 transverse rows. A few enlarged 

 scales on the sides. A spiny crest from the eye to the tympanum. 

 12 upper and 11 lower labials. Colour, body and limbs dark 

 olive, brown, almost blackish, with darker spots in the young, 

 with yellow spots intermixed. The head of the adult is cineri- 

 tous olive spotted black and yellowish on the side, on the breast, 

 and sides orange spots. Below dull white, dusky spotted on the 

 throat, and spotted and tinged with reddish blue. Seasonally 

 males above bluish black, strongly tinged with purple. 

 Length, body 5-00; tail 8-50 = 13-50 inches. 



Inhabits the Western Himalayas up to 12-14000 feet, and 

 recorded by Blyth from Mirzapur, 



