

Pna, bf J. W. M,L,llan 



CROCODILE, WELL ILLUSTRATING THE CHARACTER OF THE DENTITION 



Tkc lower tusk-like teeth Jit into notches in the upper jaw, and are -visible when the mouth it close J. In the alligator these teeth ft into fits 

 in the upper jaiv t and are hidden from vie'W under the like conditions 



549 



