64 



PROCEEDINGS OF THE ACADEMY OF 



[1898. 



KEY TO SPECIES. 



a. — Dark ventral lines between the longitudinal rows of scales or 

 absent, 

 b. — Dorsal scales weakly keeled, in fourteen (rarely 14|) lon- 

 gitudinal rows. 



G. principis. 



b 2 . — Dorsal scales strongly keeled, in sixteen (rarely 14f or 18) 



longitudinal rows. 



c. — Temporal scales smooth. 



G. burnettii. 



c 2 . — Lower temporal scales keeled. 



G. palmeri. 



a 2 . — Dark ventral lines along middle of longitudinal scale rows. 



d. — Dorsal scales weekly keeled, in sixteen (rarely 14 



or 14 1) longitudinal rows. 



G. multicar hiatus. 



d 2 . — Dorsal scales strongly keeled, in fourteen (rarely 



12f or 14?) longitudinal rows. 



G. scincicauda. 



