210 



Lacertidii 



9 Portes de Fer, Algiers (type) 

 (J Youkous (type) 

 „ Tafrent 



S Batna 



2 „ 



„ Wed Sedeur 

 S Tunis, P.M. 



(^ Mnila, nr. Tunis 

 2 Temasmida, Tunisia 

 ,, Feriana „ 



,, Hadedj des Matmata 

 (^ Susa, Tunisia (type) 



? Tunisia, L.M. . 



Tunisia (type) 



Habitat. — Algeria (Tell and High Plateaux), Tunisia, and Tripoli 

 (Cyrenaica). Its reported occurrence at Biskra (fide Boettger) is, 

 as pointed out by Werner, probably due to a mistake. 



Very closely allied to 0. elegans and evidently derived from the same 

 common ancestor, but less advanced in the absence of a series of 

 granules bordering the supraoculars, and more so in the generally larger 

 size of the dorsal scales and the greater reduction or loss of the 

 occipital shield. 



