Ereniiai^. 309 



Eremias velox, var. persica, Boetto^. in Eadde, Faun. Flor. Casp.- 

 Geb. p. 50 (1886). 



Eremias velox, var. roborovsJcii, Bedriaga, Ann. Mus. Zool. St. 

 Pctersb. x, 1907, p. 181, and op. cit. p. 516, pi. viii, fio-. 11. 



Eremias velox stravchi, Nikolskv, Herp. Caiicas. p. 98. 



Head and body moderately depressed. Head 1} to 1^ times as long 

 as broad, its length S^, to 4 times in length to vent in males, 3^' to 4?, 

 times in females, its depth equal to the distance between the anterior 

 corner of the eye and the tympanum ; snout pointed, with more or less 

 swollen nasals, as long as the postocular part of the head ; canthus 

 rostralis strong, loreal region feebly concave ; a more or less distinct 

 concavity on tlie upper surface of the snout, from the frontonasal to 

 the middle or the posterior extremity of the frontal. Pileus 2 to 2J. 

 times as long as broad. Neck as broad as the head or a little con- 

 stricted. Hind limb reaching the shoulder, the collar, or between the 

 collar and tlie ear in males, the axil, the shoulder, or the collar in 

 females * ; foot as long as the head or a little longer, not more than 

 li times ; toes moderately slender, feebly compi-essed. Tail li to a 

 little over 2 times as long as head and body, more or less flattened at 

 the base, feebly compressed posteriorly. 



Upper head-shields flat or rather convex, usually smooth, rarelv 

 rugose ; nasals in contact behind the rostral, the suture between them 

 ^ to f the length of the frontonasal, which is broader than long ; pre- 

 frontals as long as broad or longer than broad, forming a median 

 suture t; frontal as long as or shorter than its distance from the eud 

 of the snout. If to 2 times as long as broad, narrow behind ; parietals 

 as long as broad or a little longer than broad ; interparietal usually 

 smaller than the fi'ontoparietals, sometimes much smaller, rarely as 

 large ; no occipital. Two large supraoculars, the first as long as or a 

 little shorter than the second and as long as or longer tiian its distance 

 from the second loreal,+ the space in front of it filled by one or two 

 shields and granules, or a number of small granular scales ; a small 

 posterior supi-aocular. usually band-like, rarely broken up into granules ; 

 exceptionally § a complete series of granular scales between the supra- 

 oculars and the frontal ; 5 to 7 superciliaries, rarely 4 or 8, first 



* A single female specimen from the Ferghana district is remarkable for the 

 very short hind limb, which reaches only the elbow. 



t Exceptionally with a small azygos shield between them {E. strauchi, 

 Kessler) . 



X One exception (male from Tehindcheili). 



§ In 9 specimens out of 36 examined. 



