14. ERE5IIAS. 15. SCAPTEIRA. 107 



supraoculars, with a very small one hehiiul, bordered anteriorly, 

 externully, and internally with granules ; the distance between 

 the loreal and the anterior supraocular is less than the length 

 of the latter shield ; interparietal small ; no occipital ; tem- 

 poral scales <n"annlar, smooth ; an enlarp^od scale on tlie supero- 

 anterior border of the car ; no auricular denticulation ; lower 

 eyelid opaque ; subocular bordering the lip, between the sixth and 

 seventh upper labials ; lower nasal in contact with three labials ; 

 the three anterior pairs of chin-shields in contact. A distinct 

 transverse gular fold, connecting the ears ; 39 gular scales on a 

 line from the collar to tlie suture between the anterior gular 

 shields ; collar curved, perfectly free, with 7 or 9 small plates. 

 Dorsal scales granular, round, juxtaposed, perfectly smooth, ()2 

 across the middle of the body. Ventral plates forming irregular 

 oblique longitudinal and nearly straight transverse scries ; the 

 longest transverse series contain 18 or 20 plates, which are longer 

 than broad ; 38 transverse series. Prseaual scales small, irregular, 

 a few postero-median slightly enlarged. The adpressed hind limb 

 reaches halfway between the collar and the ear ; foot as long as 

 the distance between the arm and the anterior border of the orbit ; 

 infradigital scales feebly keeled ; an outer series of large transverse 

 subtibial shields. 21 or 22 (19 to 23) femoral pores. Tail more 

 than twice as long as head and body ; upper caudal scales keeled, 

 basal subcaudals smooth. Greyish above, dotted or vermiculated 

 with black on the head and body ; limbs with round whitish 

 spots ; lower surfaces white. 



millim. millim. 



Total length 186 From end of snout 



Head 16 to vent 64 



Width of head 11 Fore limb 24 



From end of snout to Hind limb 40 



fore limb 26 Tail (reproduced) . . 122 



Eastern Turkestan to Mongolia. 



a. (^ . Khami Desert. St. Petersburg Museum [E.]. (As typical 



of -E". pylzoioi.) 



15. SCAPTEIRA. 



Scapteira (Fiiz.), Wicr/ni. Ilerp. Mex. p. 9 ; Bum. ^- Bibr. v. p. 281 ; 



Gray, Cat. Liz. p. 39 ; Lataste, Ann. Mus. Genov. (2) ii. 1885, 



p. 120. 

 Meroles, part., Gray, Ann. N. H. i. 1838, p. 282. 

 Eremias, part., Dicm. Sf Bibr. v. p. 286 ; Grai/, Cat. Liz. p. 39. 

 Acantbodactylus, part., Grai/, Cat. p. 36. 



Podarces, part., Strauch, Mil. Biol. Ac. St. Petersb. vi. 1867, p. 408. 

 Saurites, Peters, Mon. Berl. Ac. 1869, p. 60 ; Lataste, I. c. 



Head-shields normal. Nostril pierced between three nasals 



