Order VIII. Piniiipedia. 



k 



J. A. Allen, History of North American Pinnipeds, U. S. Geo/, ami 



Giog. Siirv., 1880. 

 St. G. Mivart, iVotes on tlu- Pinnipedia, Proc. Zool. Soc, 1883. 



Fam. I. 4ltariidae. 



Aquatic carnivora, with the limbs enclosed in the general tegu- 

 ment beyond the knees and elbows. Five digits on each limb, the 

 first and fifth of the hind limbs generally the longest and stoutest, 

 those of the front limbs decreasing in size from first to fifth. Bodj' 

 and neck elongated; fore feet nearly as large as the hind feet; the lat- 

 ter capable of expansion, and with distinct claws on the three middle 

 digits, front feet without claws; tail very short; when walking hind 

 feet are turned forward under the body, sup])orting it; ears external; 

 interorbital constriction of skull great; facial portion short, rather 

 broad; two central pairs of upper incisors with a transverse groove; 

 postorbital processes developed; alisphenoid canal present. Testes 

 external in scrotum. 



84. Eumetopias. 



I. t3; C. i^; P. i=l; M. i=i = 34. 

 2-2 1 — I 4 — 4' I — I -'' 



Eumetopias. Gill, Proc. Essex Institute, 1866, v, p. 7. 



Head rounded, nose narrow pointed; eyes large; ears rather long, 

 narrow, pointed; skin of feet extending beyond the nails, the mar- 

 gin lobed; canines large, curved, acute. Palate ends beyond the 

 pterygoid processes, and is nearly flat, emarginate behind; posterior 

 border of nasals extending beyond zygoma; pterj'goid processes hook- 

 like; upper molar separated by a wide space from premolars. 



A. Eumetopias. 

 Space between upper molars. 



523. stelleri. (O/aria), Less., Dist. Class., Hist. Nat., 1828, xiii, 

 p. 420. 

 jubata, Schreb. (nee Forst), Saugth., iii, 1778, p. 300. 

 leonina, Pall., Zoog. Ross. Asiat. , i, 1831, p. 104. 



