11. lTALICna?RTIS. 



33 



Sect. II. Grinders g^j or -^ with single root {except the ttvo hinder (/ritiders 

 of Ilaliclioenis). 



A. Ears, conch none. Toes simjile, of fore feet exserted, of hind feet htrj/e ; 

 the inner and outer ones lim/e, long, the three middle ones smaller ; palm 

 and soles hairy (sometimes chaffy and callmts with ivear). Mvjfle hair;/ 



to the edge and betiveen the nostrils. Grinders gr^. 



Phocaceerna, § 2, part., Nilsson, Skand. Fauna; Wiegm. Arch. vii. .317. 

 Phociua, part., Turner, Proc. Zool. Soc. 1848- «8. 



SubfamUy 3. TRICHECHINA. 



Muzzle large, truncated, simple ; canines large; grinders lobed or 

 truncated tuhen old. 



Cetre, part., Gray, Ann. Phil. 182.5, .346. 



Trichechina, Grai/, Zool. Erebus Sf Terror, 3. 



Tricliecina et Pliocina, part., Turner, P. Z. S. 1848, 88. 



Trichecliida;, Gray, Ann. Phil. 1825, .340. 



Tricliechidre sen Campodontia, J. Brookes, Cat. Mus. .37, 1828. 



Les Morses, F. Cuder, Diet. Sci. Nut. lix. 465 ; Dents des Manim. 233. 



11. HALICHffiRUS. 



Muzzle broad, rounded ; cutting - teeth ^ ; grinders '^, conical, the 

 hinder two upper and one lower double-rooted, rest simple ; canines 

 moderate ; whiskers crenulated ; muffle haiiy, becoming baldish with 

 age ; palm and soles hairy ; claws 5-5, elongate. Palate of skull 

 with a narrow rounded notch behind; lower edge of lower jaw 

 rounded, not dilated or inflexed in front. 



Ym. 11. 



Ilalichan-us Gr 



ypu> 



<knll. 



Halichoenis, Nilsson, Vet. Akad. JIundl. 1837; Skand. Fauna, i. 377; 



Wiegm. Arch. vii. 318. 

 Ilalychan-us, Hornschitch, Isis, 1824, A-iii. 810 ; 7?////. S'ei. Xat. \. 104. 

 Phoco, sp., O. Fah: ; Lichti'tuitein. 



D 



