455) 



16. — A Revised List of the South African Reptiles and Batrachians, 

 with Synoptic Tables, special reference to the specimens in the 

 South African Museum, and Descriptions of New Species. — By 

 G. A. BOULENGER, F.E.S., V.P.Z.S. 



Part I.— LACEETILIA and EHIPTOGLOSSA. 



LACEETILIA. 



Synopsis of ths Families represented in South Africa. 



I. Upper surface of head with scales or granular tubercles. 



A. Tongue short, with villose papillae. 



No movable eyelids ; dentition pleurodont GeckonicUc. 



Movable eyelids ; dentition acrodont Afiamidce. 



B. Tongue long, smooth, deeply bifid, sheathed at the base. . Varanidce. 

 II. Upper surface of head with large or symmetrical shields. 



A. Tongue with villose papillse ; femoral pores Zonuridce. 



B. Tongue with scale-like imbricate papillse or oblique plicEe. 



Body vermiform ; scales soft, squarish, not imbricate Amplmhcenidie^ 



No bony plates under the scales ; femoral pores usually present. . Lacertidcc. 



Bony plates under the scales ; a lateral fold ; femoral pores . . Gcrrhosaur'uUe. 



Bony plates under the scales ; no lateral fold ; no femoral pores Scincidce. 



Family GECKONIDiE. 



Tongue short, with villose papillae. Dentition pleurodont. Body 

 covered with granules or soft scales ; no large shields on the head. 

 No movable eyelids ; pupil usually vertical. 



Ttoelve Genera represented in South Africa. 



I. Digits not dilated. 

 Digits short, cylindrical, covered with small spinose scales, 



clawless CJwndrodactijlus. 



Digits with narrow transverse plates inferiorly and with a long 

 claw, fingers subcylindrical, toes depressed, with a lateral fringe 



of long pointed scales Ptenopus. 



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