114 



Lacertuhe. 



above, black beneath as well as ou the neck as far as the collar ; belly 

 greyish white or brownish olive. 

 Measurements (in millimetres) 



1. Length from snout to vent (in millimetres). 2. Scales across middle of body. 

 3. Longitudinal series of ventral plates. 4. Transverse series of ventral plates. 

 5. Plates in collar. 6. Gvilar scales in a median longittadinal sei'ies. 7. Femoral 

 pores (right and loft if differing). 8. Lamellar scales under the fourth toe. 



Habitat. — Lanzarote, Fuertaventura, and neighbouring islands.* 



* Lanzarote and Fuertaventura, waterless and treeless and nearer to the 

 African coast, differ greatly from the other Canary islands in their fauna. 



