WALRUS. 



CARNIVOJRA. 

 PINNIPEDIA. 



269 



TlUCIlECmD/E. 



Genus Tn'cAecws (Linnaeus, 176G). 



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

 external ear. Teeth in adult, inc. g, can. -g' , mol. \:\ or ■\:\ ; canin 

 developed into huge tusks, molars truncated, single rooted. 



WALRUS. 



Trichecus rosmarus (Linnajus). 



Specific C/ia?"ac<e)". — Greyish-broTiv'n, heconiing lighter with age. Length 

 of adult, twelve to fifteen feet. 



Trichecus rosmarus, Linn/EUS, Syst. Nat. I. 49 (1766). 

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



Sea-horse of Sealers, Morslc of Laps ; Axcuk 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 vnider consideration, and the Eared Seals 

 ( Oturiddi) of the Southern and Pacific Oceans, agreeing 



