SEALS. 11 



Phoca carcinophaga, Homb. fy Jacq. Voy. Pole Sud, t. . Skull 



good. Not described. 

 Stenorhynchus serridens, Owen, Ann. & Mag. N. H. 1843, 331 ; 



Proc. Zool. Soc. 1848, 131. 

 Lobodon carcinophaga, Gray, Zool. Ereb. Terror, Mammalia, 



2. t. 1. t. 2, skull; Cat. Osteol. Spec. B. M. 32. 

 Halichoerus antarctica, T. Peale, U. S. Explor. Exped. 30. t. 5, 



skull, fig. . p. 31. 

 Inhab. Antarctic Ocean, on the packed ice. 



a. Skull, three parts grown. Antarctic Seas. Presented by 

 the Admiralty from the Antarctic Expedition. Skull figured 

 Zool. Erebus Sf Terror, t. 



b. Skull. Adult. Antarctic Seas. Antarctic Expedition. Pre- 

 sented by the Admiralty. 



c. Skull. Adult. Antarctic Seas. Antarctic Expedition. Pre- 

 sented by Lieut. W. Smith, R.N. 



d. Skull. Adult. Antarctic Seas. Antarctic Expedition. Pre- 

 sented by Lieut. W. Smith, R.N. 



e. Skull. Adult. Antarctic Seas. Antarctic Expedition. Pre- 

 sented by Lieut. W. Smith, R.N. See Fig. 2. p. 9. 



/. Skull. Young. Antarctic Seas. Antarctic Expedition. 

 Presented by the Admiralty. 



a. Skeleton. Antarctic Seas. Antarctic Expedition. Pre- 

 sented by the Admiralty. 



h. Skull. Antarctic Seas. Antarctic Expedition. Presented 

 by the Admiralty. 



** The first front grinder in each jaw single-rooted, the rest 

 two-rooted. 



2. STENORHYNCHUS. 



Skull elongate ; muzzle elongate ; grinders compressed, with 

 three cylindrical elongate lobes, the centre one longest and 

 largest. 



Head elongate; ear-conch none externally; muzzle broad, 

 elongate; muffle hairy to the edge and between the nostrils; 

 nostrils acute; whiskers slightly waved; face elongate, rather 

 compressed ; muzzle tapering, rather produced and compressed 

 on each side ; orbits moderate ; the petrose portion of the tem- 

 poral bone rather convex. 



Cutting teeth j, conical, acute, incurved, granular, and with a 

 cutting edge on each side in a regular row, the two outer larger, 

 the upper much larger than the lower, and separated from the 

 canines by a broad space; canines conical, with sharp cutting 

 edges within and on the sides, the upper largest : grinders ~, 



