3. PHOCARCTOS. 15 



1. Callorhinus ursinus. Northern Sea-Bear. B.M. 



Phoca ursina, Linn. ; Pander $ D' Alton, t. 7. f. 1 (not good). 

 Otaria (Callorhinus) ursina, Peters, Monatsb. 1866, pp. 273 & 672. 

 Otaria Stelleri (part.), Lesson &• Muller. 

 Callorhinus ursinus, Gray, P. Z. S. 1859, p. 359, t. 58 (skull) ; Ann. 



8f Mag. N. H. 1866, xviii. p. 235 ; Cat. Seals Sf W. p. 44, f. 16 



(skull) ; Allen, Bull. Mus. Comp. Zool. ii. pp. 44 & 73, tab. 2 & 3. 



figs. 1-8. 

 Arctocephalus ursinus, Gill, Proc. Essex Lnst. vol. v. 1866, p. 13 (not 



F. Cuvier). 

 Young. Arctocephalus monteriensis, Gray, P. Z. S. 1859, p. 358 (skin 



only). 

 Arctocephalus califomianus, Gray, Cat. Seals fy Whales, p. 51 (skin 



only). 



Inhab. Kamtschatka. B.M. 



Tribe III. ARCTOCEPHALINA. 



Grinders f- • -| ; face of the skull shelving in front ; the fifth and 

 sixth grinders behind the front of the zygomatic arch. 



3. PHOCARCTOS. 



The skull elongate, forehead flat. The palate concave, deep, 

 with a thickened margin on each side in front, widest in the middle 

 part of the tooth-line, and gradually narrowed behind the teeth ; 

 the internal nares oblong, longer than broad, truncate in front, the 

 front edge in a line with the orbital process of the zygomatic arch. 

 Grinders large, compressed ; the fifth and sixth upper behind the 

 back edge of the zygomatic arch. The grinders have compressed 

 roots ; some of them have a very indistinct longitudinal groove on 

 the side ; the fifth upper grinder has two distinct roots. The ear- 

 bones scarcely prominent, with a flat lower surface. Flap of toes 

 moderate. 



I have not seen'an adult skull of this genus. The skulls described 

 are 10 inches long, but the bones are not knit (see Cat. S. & W. 

 p. 47, f. 17). 



Arctocephalus § II., Gray, Proc. Zool. Soc. 1859, p. 109. 

 Phocarctos, Gray, Ann. fy Mag. N. H. 1866, vol. xviii. p. 234. 

 Otaria (part.), Allen, Bull. Mus. Comp. Zool. ii. p. 44. 



1. Phocarctos Hookeri. The Southern Hair-Seal. B.M. 



Fur brown-grey, slightly grizzled, pale, nearly white beneath ; 

 hairs short, close-pressed, rather slender, flattened, black, with 

 whitish tips, the tips becoming longer on the under part of the 

 sides ; feet reddish or black ; whiskers black or whitish. 



Young pale yellow, varied with darker irregular patches ; length 

 18 inches. B.M. 



Arctocephalus Hookeri, Gray, Zool. Erebus and Terror, t. 14, 15 



