SEA-T,rONS, AND SEA-BEAES. 



19 



331a. Skull, adult (fig. 12). 



Trichechus rosmarus, Oray, Cat. Mamm. B. M., Seals, ii. 31, f. 11 : 

 Cat. Seals S,- Whales, p. .35, f. 12. 

 Arctic Ocean. 



Tis. 12. 



Tficheclnis rosiiianis. 



Presented by General Hardwipke. 



331 h. Skull, adult. 

 Arctic Ocean. 



331 c. SkuU of j'oung. 

 Arctic Ocean. 



331 i. Front of young skull, covered with skin. 



Arctic Ocean. Presented by the Linnean Society. 



331 > Skull. 



Arctic Ocean. 



331 fc. Skull, without lower jaw. 

 Arctic Ocean (Lidth de Jeude). 



331 e, f, g. Three tusks. 



N.W. coast of America. Presented by Capt. Kellett, R.N. 



331 d. Tooth, longitudinallj' divided. 



Arctic Ocean. Presented by Dr. J. E. Gray, F.R.S. 



Family 3. OTARIADiE, 



Gray, Suppl. Cat. Seals 6f Whales, p. 6. 



It is curious, after SteUer's and Forster's description of the Sea- 

 bear, that they should be regarded as Seals. It is evident that 



c2 



