350 Lacertidie. 



A. 'I'ucs not or )]ut t'eelily deprcs.sL'd, uiudorately serrated, 



tliL' iin<^-iiul lamella without or with rather narrow 

 lateral ('xi>ansion ; ventral platea in 28 to ;M trans- 

 verse series, 12 to IG femoral pores on each side; 

 suboeular bordering the mouth. 

 Lower nasal in contact with or narrowly sei)arat('d fi\im the 

 rostral; 19 to 22 lamellae under the fourth toe; ungual 

 lamella withoiit lateral expansion ; scales on ujiper surface 

 of arm larger tlian largest gulars ; caudal scales large, J 9 to 

 21 in the -It li or uth whorl .... -S'. /uifo/K^a, Nik., p. .303. 



Lower nasal separated from the rostral ; 21 to 30 lamellse 

 under the f(jurth toe; ungual lamella with narrow wing- 

 like expansion ; scales on upper surface of arm not larger 

 than largest gulars ; caudal scales small, 20 to lit! in the 

 ■ith or oth whorl ..... ,S'. srripla, Strauch, p. .3t).'5. 



B. Toes depressed, smooth interiorly, ratlier feebly serrated 



laterally ; ventral plates in 29 or 30 transverse series, 

 16 to 18 in the longest ; 13 to 16 femoral pores on each 

 side ; suboeular not reaching the mouth S. transcasj.>ica, Nik., p. 368. 



C. Toes depressed, smooth or faintly keeled inferiorly, 



strongly fringed laterally, the ungiial lamella with 

 strong wing-like lateral expansion; ventral plates in 

 35 to 42 transverse series, 20 to 2-i in the longest 

 series ; lij to 19 femoral pores on each side ; suboeular 

 not reaching the moiith. 

 3 large sujiraoculars, forming sutures ^v"ith (^ach other ; frontal 

 as long as its distance from the end of the snout ; parietals 

 meeting in the middle ; a large preanal plate *S'. aciitirvstris, Blgr., p. 368. 

 2 large supraoculars, preceded by a series of granules separating 

 them from a small anterior shield ; frontal as long as its 

 distance from the end of tlie snout -. parietals meeting in the 

 middle; no enlarged preanal .... jS'. ^Jfcsica, Nik, p. 370. 



2 large supraocidars, preceded by small shields and granules ; 

 frontal as long as its distance from the nasals ; jjarietals 

 often separated by small shields or granules behind the 

 interparietal; no enlarged preanal . . iS. jfcaDuiuca, Licht, p. 371. 



1. SCAPTIKA KNOXII. 



Lacerta Jiiuhrii, M.-Ed\v. Ann. Sc. Nat. .\vi, 1820, pp. 7G, 85, pi. vi, 

 fig. C. 



Merolcs knuxii, Gray, Ann. N. H. i, 1838, p. 282. 



Eremias kiwrii, Duin. A: 15il)r. Erp. Gen. v, p. 2i)'j (l8ol1) ; A. Suiitli, 

 III Zoul. IS. All-., iiept. pi. .\liii, iig. 1, and pi. xlviii, fig. 1 (1845). 



Eremias k)to,>:il, part., Gray, Cat. Liz. p. 40 (1845). 



.'' Acaiithodarfijlus nUyherrenfiis, Jcrclun, Joiirn. As. !Soc. Beng. x.\i, 

 1853, p. 470, and I'roc. As. Soc. Beng. 1870, p. 7!». 



Eremias fordii, Gi'mth. Ann. & Mag. N. H. (4) ix, 1872, p. 331. 



