54 



AGAMID^. 



Family AGAMIDiE. * 



Skull with bony postorbital and posttronto-squamosal arches ; 

 supratemporal fossa not roofed over ; prsemaxillarj single ; nasals 

 distinct ; parietal single ; a fibro-cartilaginous interorbital septum : 

 a columella cranii. Teeth ankylosed to the parapet of the jaws 

 (Acrodont dentition), usually unequal in size or divisible into 

 incisors, canines, and molars ; no teeth on the palate. Clavicle 

 slender, not dilated ; interclavicle T-shaped or anchor-shaped. 



prrt. 



:b c 



Fig. IG. — Skull of Caloics jithatus. 



A. Side Tiew. 



a,ng. Angular. 

 ar. Articulnr. 

 :''/>. Basisphenoid. 

 cr. Coronoid. 

 d. Dentary. 

 eo. Exoccipital. 

 f. Fi-ontal. 

 /,--■. Interorbital septum. 



B. Upper view. 



j. Jugal. 

 m. Maxillary. 

 w. Nasal. 

 J). Parietal. 

 pi. Palatine. 

 pm. PrKMiaxillary. 

 jyrf. Pnt frontal. 

 pt. Pterygoid. 



C. Lower view. 



■pff. Postfrontal. 

 f/. Quadrate. 

 s.ang. Supra-angidar. 

 .so. Supraoccipital. 

 .S17. Squamo.sal. 

 at. Supratemporal. 

 1j). Transpalatine. 

 V. Vomer, 



