166 Lacertidse. 



other temporal scales large and very irregular ; a distinct tympanic 

 shield. Lower eyelid with a central series of vertically elongate 

 strongly enlarged scales. 



G-ular scales flat, enlarged and imbricate towards the collar, which is 

 feebly or very feebl}- marked, except on the sides, and formed of 6 to 

 9 scales ; gular fold more or less distinct, at least on the sides ; 16 to 

 19 gular scales in a straight longitudinal line, including the collar. 

 Scales on side of nect juxtaposed, more or less granular. 



Scales on back acutely pointed or shortly mucronate, with strong 

 straight keels, on sides gradually more obtuse and losing the 

 keels, rather abruptly differentiated from the ventrals, which are 

 broader than long, and hexagonal, those of the second series from 

 the median line broadest, and form straight longitudinal and trans- 

 verse series. 21 to 26 scales across the middle of the body. Ventral 

 plates in 6 longitudinal and 24 to 30 transverse series (24 to 26 in 

 males, 28 to 30 in females). Preanal plate moderate or rather large, 

 bordered bv one or two semicircles of small plates. 



Scales on upper surface of tibia i-hombic and keeled. 10 to 12 * 

 femoral pores on each side, usually 10 or 11. 17 to 21 lamellar scales 

 under the fourth toe, usually 18 to 20. 



Caudal scales in nearly equal or alternately somewhat longer and 

 shorter whorls, upper strongly keeled, pointed, and more or less 

 distinctly mucronate ; 20 or 22 scales in the fourth or fifth whorl 

 behind the postanal granules. 



Brown or pale olive above, the back uniform or lighter on the 

 vertebral area, with or without small black spots in one or two series 

 on each side ; a dark vertebral streak sometimes present, all along the 

 back, or confined to the nape ; three greyish white or yellow streaks 

 on each side, the upper (dorsolateral) starting from the outer border of 

 the parietal, the second from behind the eye along the temple and above 

 the tympanum to the neck, where it is lost before reaching the shoulder, 

 the third from the upper lip, through the lower part of the tympanum, 

 to the base of the thigh; a more or less distinct blackish streak from 

 the nostril to the eye, where it bifurcates ; an orange streak may be 

 present along each side of the belly, which is white or pale yellow. 



Measurements (in millimetres) : 



* Sometimes 9, according to Doumergue. 



