74 
MAMMALIA. 
and tapering; legs short; feet webbed; nails crooked and 
sharp. 
Lutra vulgaris. — The Otter. 
Plate IX. fig. 12. 
Fur brown above ; whitish underneath; tail a little more 
than half the length of the body. 
Genus 52. —Enhydra. — Fleming. 
Generic Character. —Incisory teeth cheek teeth |-£, false 
grinders |-2. Body much elongated; hind legs and tail short. 
Enhydra marina. — The Sea Otter. 
Plate IX. fig". 13. 
Fur deep brownish-black, very glossy; body very long; hind 
feet one-fourth the length of the body—hairy; tail one-fourth 
as long as the body. 
Division II.—With two tubercular flat teeth behind the great 
carnivorous tooth in the upper jaw. 
Genus 53. — Canis. — Linnaeus. 
Generic Character. —Incisory teeth canines grinders 
total 42. The three first grinders in the upper jaw are 
small and edged ; they are termed false molars, or grinders ; the 
great carnivorous tooth above bicuspid, with a small tubercle on 
the inner side, and two tuberculous teeth behind each of the 
carnivorous ones; muzzle elongated; shorter in some of the 
tame species and varieties ; tongue soft, by which organ they 
perspire; ears in the wild species erect, in the tame ones usu¬ 
ally pendulous; fore feet with five toes, hind feet with four 
toes; teats both inguinal and ventral. 
