322 



Lacertklfe. 



tibia with granular scales similar to the dorsals ; lower surface with a 

 series of large and oue or two of small plates. 20 to 23* femoral 

 pores on each side, the two series narrowly separated in the middle. 

 Subdigital lamellae single, strongly uuicarinate, 24 to 26 under the 

 fourth toe. 



Upper caudal scales oblique, truncate, feebly and diagonally keeled; 

 basal subcaudals smooth ; 42 to 46 scales in the fourth or fifth whorl 

 behind the postanal granules. 



Pale greyish or yellowish above, dotted or vermiculated with Idack 

 on the head and body, the dots sometimes forming 3 oi- 5 longitudinal 

 lines on the back and 5 or 7 on the nape ; a dark band along the side 

 of the tail. Lower parts wdiite. 



Measurements (in millimetres) : 



From end of snovit to vent 



,, ,, ,, fore limb 



Length of head . 

 Widtii of head . 

 Depth of head . 

 Fore limb . 

 Hind limb 

 Foot . 

 Tail . 

 1. (^ , Ssa Tchu. 2. (^ , Khami Desert. 



Particulars of Specimens Examined. 



g Khami Desert . 

 „ Ssa-Tchu . 

 „ Tchu-Tchu, P.M. 

 „ Kutchar Oasis, P.M. 



Habitat. — Chinese Turkestan and Mongolia. 



This species has the outer series of scales on the foiu-th toe forming 

 a slight denticulation, and in other respects also it proves to be the 

 Eremias nearest to the Asiatic Scaptira. 



28. EREMIAS QUADRIFRONS. 

 Podarces (Eremias) quadrifrons, Strauch, Voy. Przewalski, Kept, 

 p. 34, pi. iv, fig. 2 (1876). 



Eremias (luadrifrons, Bouleng. Cat. Liz. iii, p. 105 (1887); Bedriaga, 



* 17 to 21', according to Bedriaya. 



