20 CLASS-BOOK OF ZOOLOGY. 



3d Order. — Carnivorous Mammalia. 



Fig. 8. 



The Grizzly Bear. — (Ursus ferox) 



4th Order. — Gnawers. 



Fig. 9. 



The Water-Rat. — (Arvicola amphibius.) 



5th Order. — One-hoofed Mammalia. 



Fig. 10. 



The Wild Ass. — (Equus Hemionus) 



