AMERICAN AMPHICmUAN CROCODILES 



15 



of late Triassic and Jurassic times, were not as legitimate objects 

 of prey for the amphibious crocodiles as were the small mammals. 



11 



5 



,<-' 



*! 



N. 





10 



y^"*^.. 9 J 





■^ 



Figs. ^-n.—Coelosuchus reedii. All two-thirds natural size. Fig. 5, left ischium, 

 Fig. 6, distal extremity of left tibia; Fig. 7, distal face of same; Fig. 8, proximal 

 face of cervical vertebra; Fig. 9, proximal face of dorsal vertebra; Fig. 10, proximal 

 face of dorsal vertebra; Fig. 11, caudal vertebra. 



The terrestrial and amphibious crocodiles, with short, broad heads, 

 are yet to be discovered in the Triassic rocks, probably as low as 

 the Muschelkalk. 



