MAMMALIA. 
G7 
Genus 42. — Ursus. — Linnaeus. 
Generic Character. —Incisory teeth canines J—molars \ to 
\; total number from 32 to 44. The false molars are very 
small, make their appearance late, and fall out early; body 
thick, covered with strong hair; ears somewhat long, and slight¬ 
ly acuminated; toes, five, furnished with strong curved claws, 
destitute of retractility, blunt in their edges, and more calculat¬ 
ed for climbing trees and burrowing in the earth, than for the 
purposes of prehension, or destroying other animals ; tail short; 
six teats, two of which are pectoral and four ventral. 
Bears are large clumsy animals, with thick strong limbs. 
The cartilage of their nose is mobile. They dig caves for their 
residence, where they pass the winter in a state of semi-torpidity, 
and without taking any aliment. 
Ursus arctos. — The Brown Bear. 
Plate XI. fig. 1. 
Colour of fur deep brown, nearly black on the legs and feet; 
the forehead rises abruptly behind the eyes, assuming a regular 
convex form ; muzzle broad and mobile ; upper lip capable of 
great extension ; eyes very small. About four feet long. In¬ 
habits Europe and the temperate parts of Asia. 
Ursus maritimus. —The Polar Bear. 
Plate XL fig- 2- 
Head considerably elongated, which, when viewed in profile, 
presents nearly a straight line; upper pai*t of the cranium de¬ 
pressed ; neck nearly as thick as the head, and double the length 
of that of the Brown Bear; eyes very small; hair long, soft, 
and white, with a yellowish tinge above. About seven feet and 
a half long. Inhabits the Polar Sea. 
Genus 43.— Procyon. — Storr. 
Generic Character. —Incisory teeth |; canines J-j, large and 
compressed ; grinders g-®; total 42. The three first pointed, the 
three posterior tuberculated; body rather slight; feet with 
