zygomatic width, 121; palatal length, 72. — Spec. No. 22995, from 

 Cape Prince of Wales, Bering Strait, Coll. U. S. Nat. Mus. Wash- 

 ington. 



C. Phoca, 



Skull and dentition heavy, body stout ; limbs short. Palate 

 broad, widening anteriorly; zygomata widely spread, curved; bullae 

 moderate; basioccipital and basisphenoid broad. 



533. vitulina. [Phocii), Linn. Syst. Nat., i, 1758, p. 39, 1766, i, p. 



56 (part). 



varirgatti, Nilss. Skand. Faun., i, 1820, p. 359. 



scopulicoUi, Thienem. Reis. Nord. Eur., 1824, i, p. 59, pi. v. 



litloria, Thienem Reis. Nord. Eur., 1824, i, p. 59, pi. v. 



pealsi. Gill, Proc. Essex Inst., 1866, v, pp. 4, 13. 



factida, Bart. Proc. Zool. Soc, 1868, p. 402. 



Type locality. Coast of Europe. 



Geogr. Distr. Coasts of North Atlantic and North Pacific 

 Oceans, south to New Jersey and southern California respectively. 



Genl. Char. Head large, nose broad, limbs short; dentition 

 heavy, molars close together, obliquely set; superior outline of skull 

 convex; mandible short, heavy, thick, no inward curvature of inferior 

 border. First digit of manus of young slightly the longest. Lower 

 premolars and molars with four cusps; upper end of premaxillas 

 only touch nasals. 



Color. Variable. Above yellowish gray spotted with dark brown 

 or black; beneath yellowish white spotted with dark brown. 



Measurements. Total length, about 1225; but dimensions vary 

 greatly. 



534. largha. Pall. Zoiil. Rosso-Asiat., 1831, i, p. 113. 

 Tyf^e locality. Kamtschatka, east shore. 



Geogr. Distr. Northern Pacific Ocean, Bering Sea. 



Genl. Char. Lower premolars and molars with three cusps 

 instead of four; upper end of premaxilhi' continues along sides of 

 nasals for some distance. 



Color. Grayish or ashy white spotted with black; spots smallest 

 and closest on dorsal surface; feet brownish, claws black. Young 

 yellow, dark gray on back. 



Measurements. Total length, 1 220-1 730. 



D, Pusa. 



Skull slender, nasals pointed, not prolonged posteriorly; teeth 

 small, separated, pointed; upper molars with usually three cusps, 



