CROCODILTD^. 



Family I. CROCODILID^. 



Nares anterior ; clioante opening far back between the pterygoids, 

 which, like the palatines and maxillaries, are produced into osseous 

 plates joining on the median line of the palate ; orbit communi- 

 cating A^ ith the infratemporal fossa. Vertebra) proca'lous ; ribs 

 with uncinate processes. No clavicles. Pubis excluded from 

 acetabulum. Manus with five well-developed digits, pes with four. 

 A dorsal armour of bony scutes. Ears with movable opercles. 



A. 



/ ^(f 





Fig. 1. — Skull of Crocodilus palustris. 



A. Side view. 



aiKj. Angular. 

 ar. Articular. 

 ho. Basioccipital. 



d. 



CO. 



/. 



J- 

 I. 



Dentary. 



Exoccipital. 



Frontal. 



Jugal. 



Laclirvnial. 



II. Upper view. 



■>/i. Maxillary. 



n. Nasal. 



p. Parietal. 



pi. Palatine. 



pm. Prffiinaxillary. 



2)rt'. Pnvfrontal. 



pf. Pterygoid. 



C. Lower view. 



■pff. Post frontal. 

 q. Quadrate. 

 qj. Quadratojugal. 

 s.ang. Supra-angular. 

 so. Supraoecipital. 

 sq. Squamosal. 

 i}). Trauspalatine. 



