XIII 



A TEST OF THE NEW FLIES 



If the angler will take pains to notice he will 

 perceive that I have used great care to depict each 

 of the varied insects in its most characteristic atti- 

 tude when it alights on the water's surface or on 

 some other object, so that he may more readily 

 identify each specimen and thus become more fa- 

 miliar with trout insects. Had I shown them in 

 spread-wing fashion, like that familiar in scientific 

 books on entomology, the different species of each 

 class would be so much alike as to be impossible of 

 identification. 



If we carefully observe some of the drakes as they 

 lie at rest underneath a smooth rock at the water's 

 edge — always at the side on which the sun is shining 

 and opposite to where the cold wind blows — it will 

 be seen that the wings, feet, and cocked tail never 



124 



