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, 

 but forming the type 

 of a distinct family, is the singular sewellel or showt'l 



Fig. 504. — Sewellel or Showt'l. Much reduced. 

 ■From American Naturalist. 



Fig. 505.— Alpine Hare of the Rocky Mountainu.— 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 bis Works. By Lewis H. Morgan. 1868. 



