GRAYLING INJURIOUS TO TROUT 225 



soon thrive and make their way rapidly, often in a few years 

 outnumbering the trout which may have tenanted the river 

 before them.* 



* Probably most persons interested in or owning fine trout streams would 

 gladly get rid of grayling altogether, were that possible. Grayling spawn in 

 spring, when there is the maximum of insect life to keep trout busy ; but 

 trout spawn in late autumn when flies are scarce, and grayling, in the height 

 of condition at that season, feed sumptuously upon trout spawn. ED. 



