CARNARIA. CARNIVORA. 



109 



has the molar teeth cylindrical, with flat crowns. 

 The Amphibia thus separate into two genera, the 

 Seal and the Walrus ; the former of which is again 

 divided, by the separation from it, of those Seals 

 (called Otaries,) which have external ears. 



THE HARP SEAL (Phoca Groenlandica\ and the WALRUS (Trickecus 



Phoca,* the Seal. 



Inhabiting the inaccessible retreats of ocean, land- 

 ing chiefly on the iron bound coasts, or still more 

 dreary ice-fields, of high latitudes, it was to be ex- 



* The Greek name of the Seal. 



