230 Lacertidie. 



18 gular scales in a straight median series ; 26 transverse 



series of ventral plates . . . . 23. E. hedriagx, Nik., p. 314. 



/S. Rostral more than H times as broad as deep ; snout 

 very obtuse, nasals not or biit feebly swollen ; 20 

 to 23 giilar scales in a straight median series. 

 Rostral I3 times as broad as deep; 31 transverse series of 



ventral plates ...... 24. E. nikolskii, Bedr., i>. 315. 



Rostral li times as broad as deep, extensivelj' in contact with 

 the lower nasal ; 26 transverse series of ventral plates. 



25. E. regeli, Bedr., p. 316. 

 b. Foot more than IJ times the length of the head ; 

 25 to 30 lamella; under the fourth toe ; no 

 gular fold ; 45 to 55 scales across middle of 

 body .... .26. £./asciaia, Blanf., p. 318. 



2. 18 to 20 ventral plates in the longest transverse series ; 

 31 to 43 gular scales in a straight median series ; 

 55 to 71 scales across middle of body. 



27. E. vermicidata, Blanf., p. 320. 



B. The first of the two large supraoculars longer than its distance from the 

 second loreal ; 9 to 19 femoral pores on each side, the two series broadly 

 separated in the middle, tlie space usually at least k the length of each, 

 very rarely i. 



1. 27 to 47 gular scales in a straight median series, usually 30 to 41 ; 



nasals not or scarcely swollen ; subocular rarely reaching the 

 mouth ; 54 to 7u scales across middle of body ; 11 to 19 femoral 

 pores on each side. 

 16 ventral plates in the longest transverse series ; rostral 

 broader than deep ; 4 prefrontals, the outer narrow. 



28. E. quadrifrons, Sti'auch, p. 322 

 16 to 22 ventral plates in the longest transverse series, usually 

 18; rostral as deeji as broad ; 2 prefrontals. 



29. E. przewalskii, Strauch, p. 324. 



2. 20 to 36 gular scales in a straight median series, usually 22 to 30 ; 



45 to 62 scales across middle of body. 



14 to 16 (rarely 18) ventral plates in the longest ti'ansverse 

 series ; nasals not or scarcely swollen ; parietals a little 

 lonsi'er than liroad ; subocular often bordering the mouth ; 

 9 to 15 femoral jiores on each side . 30. E. inidtxocellata, Gtlir., p. 327. 



16 to 18 ventral plates in the longest ti-ansverse series ; nasals 

 not or scarcely swollen ; parietals as long as broad ; 

 su))ocu]ar ))ordering the mouth ; 15 to 17 femoral pores on 

 each side ....... 31. E. plexhei, Bedr., p. 332. 



16 to 18 ventral jilates in the longest transverse series; nasals 

 rather strongly swollen ; parietals not longer than broad ; 

 frontal often separated from tlie supraoculars by a series of 

 granules; subocular not reacliing the mouth; 12 to 17 

 femoral pores on each side . . 32. E. intermedia, Straiich, p. 333. 



