WALRUS. 



CARNIVORA. 

 PINNIPEDIA. 



269 

 TRICHECHID&. 



Genus Trichecus (Linnaeus, 1766). 



Generic Character, Limbs used as organs of support on land. No 

 external ear. Teeth in adult, inc. , can. ^ , mol. \:\ or \\\ ; canin 

 developed into huge tusks, molars truncated, single rooted. 



WALRUS. 



Trichecus rosmarus (Linnaeus). 



Specific Character. Greyish -brown, becoming lighter with age. Length 

 of adult, twelve to fifteen feet. 



Trichecus rosmarus, LINN^US, Syst. Nat. I. 49 (1766). 

 Rosmarus arcticus, PALLAS, Zool. Rosso-Asiat. I. 269. 



Sea-horse of Sealers, MorsJc of Laps ; Awuk of Greenlanders and Eskimo. 



ACCORDING- to the arrangement here adopted, the 

 Walrus is regarded as the type of a distinct family, of 

 which it is the only known member. It may in many 

 respects be regarded as intermediate between those which 

 we have had under consideration, and the Eared Seals 

 (Otaridce) of the Southern and Pacific Oceans, agreeing 



