Ere mi an. 315 



From end of suout to veut -55 inilliin. : tail SU : fore liiiil> 22; liiud 

 limb o6. 



This species is based ou a siuji'le specimen from Kelif, East 

 Boklmra, pi-eserved in the Petrograd Museum, which may be merely 

 an aberrant E. veJox'. More specimens are required to establish the 

 validity of E. heiJriinjn', which I regard as extremelv doulitful. 



24. EREMIAS NIKOLSKII. 



Eremias nihjlsldi, Bedriaga, in Nikolsky, Herp. Eoss. p. 478 (1905), 

 Ann. Mus. Zool. St. Pctersb. x, 1907, p. 233, and Wiss. Res. Prze- 

 walski Eeis., Amph. Kept. p. 536, pi. viii, tig. H (1912) : Bouleng. 

 Journ. Zool. Ees. iii, 1918, p. 7. 



Body ratiiei- strongly depressed. Head depressed, l-J times as long 

 as liroad, its length 4| times in length to vent ; snout rather long, 

 obtusely pointed, with the nasals scarcely swollen, with very feeble 

 concavity above, extending to the frontal shield ; cauthus rostralis 

 obtuse, loreal region feebly concave. Pileus twice as long as broad. 

 Neck narrower than the head. Hind limb not reaching the axil ; foot 

 slightly longer than the head ; toes slender. 



Upper head-shields smooth; nasals in contact l)ehind the rostral, 

 the suture between them about }{ the length of the frontonasal, which 

 is broader than long ; prefrontals longer than broad, forming a median 

 sulure; frontal a little shorter than its distance from the end of the 

 snout, 1| times as long as broad, | of its lateral border in contact 

 with the large supraoculars ; parietals longer than broad ; interparietal 

 smaller than the frontoparietals ; no occipital. Two large supra- 

 oculars, preceded by 3 small plates and followed liy one small one ; 

 the first of the two large supraoculars as long as the second and longer 

 than its distance from the second loreal ; a series of granules between 

 the supraoculars and the superciliaries. Rostral 1 J times as broad as 

 deep ; three nasals, the lower just touching the rostral, resting on the 

 two or three first upper labials ; auteiior loreal deeper than long, 

 shorter than the second ; subocular bordering the mouth, laetweeu 

 the 5th and (jth or 6th and 7th npper labials ; temporal scales hexa- 

 gonal, smooth ; tympanic shield present; no auricular denticulation. 

 Lower eyelid opacjue. 



5 pairs of chin-shields, the 3 anterior in contact in the middle ; 

 23 gular scales in a straight line between the symphysis of the chin- 

 shields and the median oollar-plate ; gular fold distinct. Collar 

 curved, free, serrated, composed of 10 large jilates. 



