104 
NEW AMERICAN QUADRUPEDS. 
whole of the under parts, the feet and tail, white. Hair 
of the upper and under parts of the body, dark slate- 
gray at base. Ear distinct, not hidden by the fur, 
consisting of a small round opening, surrounded by 
an elevated ridge, the highest portion of which is 
behind, and about one line in height. Claws white, 
those of fore feet very long. Incisors yellow in 
front, those of the upper and lower jaw of the same 
color ; with a lens, a faint groove is seen in the 
upper incisors, situated close to the inner margin. 
Tip of muzzle naked; feet bare beneath; behind 
the ears dusky. 
Hind foot . — The central toe is the longest ; outer 
toes equal and short. A long brush of stiff white 
hairs on the inner side of the two innermost toes of 
the fore feet ; inner toe rather short ; outer toe the 
next in length ; middle toe longest ; the one on each 
side about equal. 
In the young specimen, the back had a deep yel- 
low wash. Length of body 5 inches 6 lines ; of 
tail 2 inches. 
Mr. Townsend’s specimens were procured on the 
Columbia river, 
Dimensions. 
From nose to root of tail, 
Tail, 
Tarsus and claws, 
Central claw of fore foot, 
From nose to ear, 
7 inches 6 lines 
2 “ 0 “ 
1 “ U “ 
0 “ 5 “ 
1 “ 6i “ 
