GUAKD AGAINST A SLACK-LINE CAST. 155 



FLY-FISHING FOR TROUT. 



twelve feet of line ; then increase the length as he learns to 

 cast it, so that it will lie straight on the water, and a trout, 

 in attempting to taste, will be sure to hook himself, because 

 there is no slack line. This is important; for if the trout 

 strikes at a fly on a slack line, he at once becomes disgusted 

 at so lame an effort to deceive, and the slack-line fisher will 

 never receive a second visit from him. But if you cast 

 a straight line, and the trout misses the fly, he will come 



