176 Lacertidse. 



equal to the distance between the anterior corner or the centre of the 

 eye and the tympanum, its length 3f to 4J times in length to vent 

 (3i- to Sh times in young) ; snout obtusely pointed, as long as or a little 

 shorter than postocuhir part of head, with rather feeble or obtuse 

 CMuthus and slightly concave loreal region ; a shaip keel below the eye, 

 on the freno-ocular and subocular shields. Neck as broad as or 

 broader than the head. The hind limb reaches the elbow, the axil, 

 the shoulder, or the ante-humeral fold ; foot 1^ to If times length of 

 head ; digits feebly compressed, with smooth, more or less distinctly 

 tubercular, or feebly bicarinate* lamellae inferiorly. Tail 2 to 

 neaidy 3 times as long as head and body, often a little less than twice 

 in the very young. 



Pterygoid teeth present, in 2 or 3 series. 



Nostril between four shields, or bordered l)ehind and below by a 

 narrow rim formed by the nasal ; nasals forming a short or very short 

 suture liehiud the rostral ; prefrontals forming a short or moderately 

 king suturef ; frontal Ij to If times as long as Ijroad, as long as or 

 slightly longer than its distance from the end of the snout, narrower 

 behind than in front, lateral borders slightly concave, rarely of equal 

 width throughout^ ; parietals as long as broad or longer (up to li), 

 wath convex outer border ; interparietal as long as broad or a little 

 longer (rarely 1^ times as long as broad) ; occipital as large as the 

 interpai'ietal or a little smaller (rarely much smaller), often a little 

 broader. § Four supraocrdai's, j&rst very small, second usually longer 

 than third, fourth small but larger than tirst ; four superciliaries, 

 rarely three or five, second much longer than the others, all in contact 

 with the supraoculars. Eostral entering the nostril; a single post- 

 nasal; anterior loreal usually shorter than second || ; four upper 

 labialsTf anterior to the subocular, which is much narrower beneath 

 than above; two or three upper temporals**; lower temporals 

 usually large, separated from the upper by very irregular small 



* In male from hsL-vilk', in females from Madriil, Seville, Eahamua, Algiers, 

 Tugguvt, and Galitone Id.. 



t Separated by an azygos shield in a specimen from Barcelona. 



X Malt' fi-om Algarve. 



§ An additional shield between interparietal and occipital in a male from 

 Villa Franca. 



II A single loreal in male from Villa Franca, in male from Oran, and in female 

 from Algiers. 



^1 3 on botli sides in female from Madrid, 1 one side in female from Aui 

 Sefra ; 5 on one side in females from Seville and Algarvc. 



** First rarely in contact with fourth supraocular: males from Cap Cerbere, 

 Fenzou, Seksawa, Blida, and Am Draham. 



