Squirrel. 



and then they put out to sea, making their tails serve as 

 sail and rudder. 



53. It often happens, however, that they have ventured 

 too far, and cannot contend against the waves, and there- 

 fore never reach the other side. The Laplanders watch 

 for these misfortunes and seize them as a prize, not only 

 because they can sell their skins, but for their flesh, which 

 is good for food. 



54. The FLYING SQUIRREL is provided with a strip of 

 skin which it spreads out to enable it to sail or glide easily 

 from a high to a low place among the trees. It cannot 

 use this wing-like skin as birds do. It seldom ventures 

 out till after sunset. 



Besides the beaver, muskrat and squirrel, can you men- 

 tion some other and better known little animals which are 

 remarkable for gnawing ? Rats and mice. 



55. The PORCUPINE which is about eighteen or twenty 

 inches in length, also prefers the night for its movements. 



