88 Trout Culture. 



heron, as the beak is very powerful and capable 

 of inflicting a nasty wound. 



Rats are a great nuisance in a stream, as 

 they not only destroy eggs and very young fry, 

 but also damage the banks and foul the bottom 

 of the stream. Gins are very useful for them, 

 when set in their runs, and a gun may be em- 

 ployed where its use is not calculated to disturb 

 the game, if the stream runs through a preserve. 



