FAUNA AMERICANA. 113 



on the body, and yellowish or reddish on the feet 

 and flanks ; beneath the hair a species of blackish 

 fur ; females differing in size and colour. 



Habit. Very similar to that of the Otaria 

 jubata, living in troops ; the old males live sepa- 

 rate, or dispute the females; gestation endures 

 eleven months. 



Inhabit the seas of Kamtschatka, the southern 

 part of America, according to Forster, and North 

 America, according to some authors.* 



Genus. 



Trichechtis, Linn. Schreb. Cuv. Lacep. 



Odobefius, Briss. 



Rosmarus^ Scopoli. 



Matiati, Bodd. 



Morse. 



CaA.BACT£BS. 



r" Incisor 2. 

 r superior 14. < Canine 2. 



Dental formula.— Teeth 24.^ > ?^°!^'' ^^^ 



I C Incisor 0. 



I. inferior 10. < Canine 0. 



C Molar 10. 



Two small incisors above in the young animal 

 only and of the form of molars ; two superior ca- 



* Otaria is a subgenus of Peron. Character. Small external 

 ears ; six incisors above, four middle, with double edges, the 

 external simple and smaller ; four inferior, forked ; all the molars 

 simply conical ; nails flat and thin ; hair less rare than in ordi- 

 nary seak. 



15 



