HABITS OF THE BEAVER. 585 
under two years old. The females bring forth their young 
from two to five at a time, in the month of May, and nurse 
them for a few weeks, 
after which the latter 
takes to bank.” They 
attain their full growth 
at two years and six 
months, and live from 
twelve to fifteen years. * 
Allied to the beaver, 
Fie. 504.—Sewellel or Showt’l, Much reduced. 
but forming the type —From American Naturalist. 
ef a distinct family, is the singular sewellel or showt’l 
4 N 
Fig. 505.—Alpine Hare of the Rocky Mountains.—After Hayden. 
(Haplodon rufus Coues, Fig. 504) of the mountains of west- 
ern Oregon and Washington Territory. It is nearly as large 
* The American Beaver and his Works. By Lewis H. Morgan. 1868 
