Acanthodactijlus. 57 



Adult brown or reddish brown above, with 6 light longitudinal 

 streats, and series of black spots between them; limbs with light spots. 



Young black above with six sharply defined white longitudinal 

 streaks on the neck and body and round white spots on the limbs ; 

 tail reddish. 



Measurements (in millimetres) : 



<J P.M. 



„ P.M. 



Hgr. ", 



Habitat. — Dahomey. — Types in the Paris Museum. 



This species, the southernmost of the genus, is evidently derived 

 from A. vulgaris, from which it differs, as well as from the other 

 members of the genus, in the complete or nearly complete disintegra- 

 tion of the second supraocular, and in the reduced number of femoral 

 pores. 



4. ACANTHODACTYLUS SAVIGNYI. 



Lacerta savignyi, Aud. Descr. Egypte, Eept., Suppl. p. 172, pi. i, 

 fig. 8 (1829) ; M.-Edw. Ann. Sc. Nat. xvi, 1829, pp. 73, 85: 



AcantJiodactylus vulgaris, var. B., part., A. Dum. Cat. Meth. Eept. 

 p. 126 (1861). 



Acanthodactylus savignyi, part., Vaill. Miss. Eevoil Pays Comal., 

 Eept. p. 19 (1882). 



Acanthodactylus vaillanti, Lataste, Ann. Mus. Genova (2) ii, 1885, 

 p. 609. 



