11. HALICHCEKUS. 



33 



Grinders ^^or ^:^ with single root (except the two hinder grinders 



' 5-5 "' 5-5 ' 



Sect, n, 



of Halichoerus). 



A. &rs, conch none. Toes simple, of fore feet exserted, of hind feet large ; 

 the inner and outer ones large, long, the three middle ones smaller ; palm 

 amd soles hairy (sometimes chaffy and callous with wear). Muffle hairy 



5*5 



to the edge and between the nostrils. Grinders ^r^, 



Phocaceema, § 2, part., NUsson, Skand. Fauna; Wiegm. Arch. vii. 317. 

 Phocina, part., Turner, Proc. Zool. Soc. 1848, 88. 



Subfamily 3. TRICHECHINA. 



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

 truncated when, old. 



Cetse, part.. Gray, Ann. Phil. 1826, 346. 



Trichechina, Gray, Zool. Erehus Sf Terror, 3. 



Trichecina et Phocina, part.. Turner, P. Z. S. 1848, 88. 



TrichechidsB, Gray, Ann. Phil. 1825, 340. 



TrichechidsB seu Campodontia, J. Brookes, Cat. Mus. 37, 1828. 



Les Morses, F. Cuvier, Diet. Sd. Nat. lix. 465 ; Dents des Mamm. 233. 



11. HALICH(ERUS. 

 Muzzle broad, rounded ; cutting-teetli \ ; grinders 1^, conical, the 

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

 moderate ; whiskers crenulated ; niuffle hairy, becoming baldish with 

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

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

 rounded, not dilated or inflexed in front. 



Fig. U. 



Halichoerus Grypus. Skull. 



Halichoerus, Nilsson, Vet. Akad. ITandl. 1837; Skand. Fauna, i. 377; 



Wiegm. Arch. vii. 318. 

 Halychoerus, Hornschiioh, Isis, 1824, viii. 810 ; Bull. Sci. Nat. v. 104. 

 Fhoca, sp., O. Fdbr. ; lAchtenstein. 



D 



