106 



Lacertidm. 



juxtaposed or subimbricate, strongly keeled, much larger than the 

 scales on the upper part of the sides ; ;i7 to 55 scales across the middle 

 of the body, usually 39 to 48. Ventral plates mostly a little broader 

 thau long, some occasionally much ))roader than long, usually iu 

 regular longitudinal and feebly angular transverse series ; 28 to 35 

 transverse series, the longest of which contain usually 12 plates, 

 sometimes 14, very rarely 10. 14 to 20 femoral pores on each side,* 

 usually 14 to 18. 19 to 22 lamellae under the fourth toe. Basal 

 upper caudal scales often a little broader than long ; 22 to 30 caudal 

 scales in the fourth or fifth whorl. 



Adult grey or pale reddish brown above, with numerous round light 

 spots, or with dark and light spots, often with three dark longitudinal 

 streaks and with a dark lateral band spotted with white ; l)asal part of 

 the tail with three dark streaks. Young usually with four whitish 

 longitudinal streaks on the upper surface and one on each side ; 

 sometimes closely spotted with white and with merely the lateral white 

 streak, as in the typical form. 

 Measurements (in millimetres) : 



From end of snout to vent 



,, ,, fore limb . 



Length of head 



Width of head 



Depth of head .... 



Fore limb 



Hind limb .... 



Foot 



Tail 



1. cJ, Dakar. 2. 9 , Dakar. 3. ?, Senegal (type). 

 Habitat. — West Africa, from Mauritania to Cape Verd. 



Particulars of Specimens Examined. 



Forma tijpica. 

 S Cairo . 



<? „ . 



„ Giza, uear Cairo 



* Sometimes 12 or 13 accordiiiir to Boetttier. 



