( vi ) 



Vakanus. 

 Nostrila between the eye and snout. Tail keeled. 

 Nostril nearer the nose than the eye . . , V. flavescens. 



Nostril between nose and eye, 'Body black 



dotted .,. V. dracsena. 



Nostril between nose and eye. Body yellow 



dotted ... V. lunatus. 



An enlarged row of supercilliary scales ... V. nebulosua. 



Hydrosaurus. 

 Nostrils near the end of the snout. Tail keeled. 

 Dark brown or black transversely white 



spotted ... H. salvator. 



Psammosaueus. 

 Nostril nearer eye than snout. 

 Tail rounded ... P. scincus. 



Family LACERTID^E. 

 Head covered with symmetrical shields. Tongue slender, 

 forked. Scales of back granular or rhombic. No side fold. 

 Limbs well developed. Habits active, diurnal. Food insects. 



a. — Eyelids distinct. 



Tachydromus. 

 Dorsal scales large, inguinal pores only. 

 Dorsal scales in four longitudinal rows ... T. sexlineatus. 

 Dorsal scales in six longitudinal rows ... T. Haughtonianus. 



Cabrita. 

 Scales in six rows. Femoral pores. 

 Two small postnasals . . . C. Leschenaultii. 



One small postnasal . . . C. brunnea. 



Three nasals . , . C. Jerdoni. 



ACANTHODACTYLUS. 

 Ventral scales in twelve rows. Femoral pores. 

 Colour ruddy ash with 6 white lines down 



*lie back ... A. Cantoris. 



