202 



SKETCH OF THE HISTORY OF MAMMALIA. 



pletely concealed. The head is almost conical in figure, 

 going off from a broad base to a pointed muzzle fur- 

 nished with an enlarged cartilage, somewhat as in the 

 hog, and doubtless for the purpose of grubbing and bur- 

 rowing for food. 



In accordance with the details of external configura- 

 tion, the skeleton is equally indicative of the animal's 

 habits. The skull is firm, and prevented from being 

 pressed upon by the shield, which rests on the two pro- 

 jections. The bones of the fore-limbs are short, thick, 

 and angular ; the scapulae broad and strong ; the ribs 



