Subfamily 5. Arctocephalina. Ears with a sub cylindrical, 

 distinct, external conch. Toes of the hind-feet subequal, 

 short, with long membranes at the end: fore-feet fin- 

 like : palm and soles bald, longitudinally grooved. Nose 

 simple, with a rather large callous muffle above and 

 between the nostrils : cutting teeth f , upper often bifid 

 grinders ^l 6 . 



The skull has a postorbital process, an alisphenoidal canal, 

 the mastoid process strong and salient, standing aloof from the 

 auditory bullse. Turner. 



Fig. 14. 



Arctocephalus Hookeri. Fore- and hind-feet. 



Arctocephalina, Gray, Zool. Erebus fy Terror, 4 ; Turner, Proc. 



Zool. Soc. 1848, 88. 

 Otaria, Peron, Voy. Terre Aust. ii. 118; Desm. Mamm. 248; 



Fleming, Phil. Zool. ii. 187 ; Gray, Griffith, A. K. v. 182; 



Nilsson, Vet. Akad. Hand. 1837; Scand. Fauna-, Wiegm. 



Arch. vii. 



Phoca 3, F. Cuvier, Mem. Mus. xi. 205. 

 Otariadse, J. Brookes, Mus. Cat. 36, 1828. 



13. ARCTOCEPHALUS, F. Cuv. 



Muzzle rather tapering in front. Cutting teeth |, upper 

 nearly square. Grinders g|. Palate of the skull rather narrower 

 behind than in front ; short, scarcely reaching to the middle of 



