272 Lacertidse. 



parietals not or but little longer than broad ; occipital smaller than 

 the interparietal, entirely absent in one specimen ; temporal scales 

 usually rather large, with large masseteric shield. 



Gular scales rather large, 19 to 25 in a longitudinal series ; gular 

 fold rather feebly marked. Collar feebly or very feebly serrated, with 

 8 to 10 plates. 



Scales large and fiat, round, roundish-hexagonal, or distinctly hexa- 

 gonal, more distinctly keeled than usual in the typical form, 45 to 

 55 across the middle of the body ; 24 to 36 transverse series, in the 

 middle of the back, correspond to the length of the head, 3, or 2 and 

 3, on the side correspond to a ventral plate. Ventral plates in 23 to 

 28 transverse series. Preanal plate large, with one semicircle of small 

 plates. Scales on upper surface of tibia keeled and much smaller than 

 dorsals. 13 to 16 femoral pores on each side. 21 to 24 lamellar scales 

 under the fourth toe. 



Tipper caudal scales strongly or moderately keeled, very oblique, 

 more or less distinctly pointed behind, the whorls often very distinctly 

 longer and shorter alternately ; 25 or 26 scales in the fourth whorl. 



Brown above, with a darker lateral band, light-edged above and 

 beneath, and a dark vertebral streak or series of spots, exactly as in 

 some specimens of the typical L. muralis and of L. vivipara. Throat 

 and breast spotted with black ; the belly of the males may be studded 

 with thick black dots. 



Measurements (in millimetres) : 



55 51 27 10 20 16 I 



