THE ARTIFICIAL FLY OF COMMERCE 



the remarkable variety of different members in each 

 class. 



Aside from color, if you take the family of 

 drakes, for example: Every part of the body, 

 head, tail, wings, and feet of each insect is distinctly 

 different from the other in form and size. Nature 

 never repeats itself. When properly classified 

 there is a gradual development of form and color; 

 gradual, it is true, but very decided in its infinite 

 variety of beauty. 



While wading a trout stream you will observe 

 that nature is always varied: large flies and small 

 flies; when they alight their wings are cocked, or 

 sloping over the body, or they may lie flat on the 

 top. You may depend upon it that trout observe 

 them, and know it just as we do; for all through 

 their life they are on the watch for food. 



17 



