ZOOLOGY. ^3 



productions ; their tasks are used for the same pilrposei 

 as Ivory. 



Ordee hi. FER^. 



Front ieclh conical, usually six in each jaw ; iitsks longer 

 than the teeth ; grinders with conical projections ; feet fur- 

 nished with Subulate daws. There are eleven genera in this 

 order, some of which feed on other animals and dead car- 

 casses, others on worms, insects and vegetables. 



1. Phoca. Seal. Front teeth acute, the upper six parallel, 



the outer ones larger ; the lower six parallel, distinct, 

 equal, obtuse ; tusks twice as long as the teeth, acute, 

 large, solitary ; the upper ones remote from the cutting- 

 teeth, and the lower ones from the grinders ; grinders 

 five above, six below, narrow, tricuspidate ; ears- 

 wanting I hhid-feet finned. 



This genus abounds on rocky shores and inlets from the sea. 

 and are most numerous iu northern countries : their food is 

 fish, molusca and other marine produce. A great quantity 

 of oil is obtained from their bodies , and their skins are in 

 considerable request for various domestic purposes. 



2. Canis. Dog. Upper front teeth six, the lateral ones 



longer, distant ; the intermediate ones lobate in the 

 lower six, the lateral ones lobate ; tusks solitary, 

 incurvate ; grinders six or seven, or more in soma 

 species than in others. 



The manners and habits of tha Dog are too well knows 



