Lacertidse. 3 



II. Veutral plates smooth ; collai' more or less distinct ; 



siibditjital lamella3 keeled; scales small, at lexst 



on anterior part of back. 



Nostril pierced between three to five nasals and the 



upper labial, or separated from the latter by a 



narrow Vim ; digits not serrated laterally ; occipital 



present . . . . . . . .5. Latastia, Bedr. ~^ • "^ 



Nostril pierced between two nasals and the first upper 

 labial ; digits seiTated laterally ; occipital absent, 

 or reduced to a granule . . 6. A canthodadylus, Wiegm. ~ 



III. Ventral plates keeled, at least the outer ; collar 



usually well marked, rarely absent; subdigital 

 lamellae smooth or tubercular. 



A. African genera. 10 to 15 femoral pores on each 



side. 



Nostril pierced between two nasals ; dorsal scales small, 



juxtaposed ..... 7. GastrophoJis, J. Gr. Fisch. 

 Nosti-il pierced between two nasals and the first upper 

 labial ; scales large, rhombic, imbricate, keeled. 



8. Bedriayaia, Blgr. 

 Nostril pierced between three nasals and the first upp^r 

 labial ; back with large, plate-like, subimbricate 

 scales with strong keels forming continuous lines. 



9. Poromera, Blgr. 



B. E. Asian. 1 to 5 femoral pores on each side* ; 



nostril pierced between two or three nasals and 

 the first upper labial. 



Dorsal scales small, eqiial, hexagonal, keeled. 



10. Apeltonotus, Blgr. 

 Back Avith' large jtlate-like subimbricate scales with 



strong keels forming continuous longitudinal lines ; 



digits subcylindrical or slightly compressed. 



11. Tachydromus, Daud. 

 Back with large plate-like scales as in the preceding; 



digits slightly depressed, with large transversely 



elliptic lamellae interiorly, the distal joint compressed 



and bent at an angle . . . .12. Platyplacopus, Blgr. 



• These pores, when reduced to 1 or 2, have been termed "inguinal." 



