344 



PRAIRIE AND FOREST. 



the greatest numbers and the heaviest fish are found. 

 Why trout should, at the various seasons, select dif- 

 ferent resorts, is still a matter of surmise; our opinion 

 is, that in summer all that are able leave the river and 

 betake themselves to the locality of the springs in the 

 bottom of the lake, or lie down in such deep water as 

 has not been rendered tepid by the rays of the sun ; 

 but as the season advances, and becomes proportion- 



THE WILDS. 



ably cool, the fish retake themselves to the streams, 

 either for the purpose of spawning, or because the rapid 

 water is a more suitable residence during the severity 

 of a northern winter. This migration, if such it may 

 be called, has a great resemblance to the movements 

 of salmon, except that the latter have the choice of the 

 ocean instead of the land-locked lakes. From the 



