TROUT FLY-FISHING IN AMERICA 



Breeding season: 

 (Internal element) 

 Applying only to 

 Light Bottoms: 



Light bottom, 

 Bright light, 

 Shallow water. 

 Clear water, 

 Light bottom, 

 Subdued light. 

 Medium water. 

 Roily water, 

 Light bottom, 

 Dull light, 

 Deep water, 

 Muddy water, 



Highest coloration. 



Ordinary coloration. 



Poorest coloration. 



Age of trout : 

 (Internal element) 



'Mature trout, greatest coloration. 

 Young trout, ordinary coloration. 

 Old trout, least coloration. 



Foods :- 



Light bottom : 

 Neutral bottom : 

 Dark bottom : 



Kind or character of food 

 (Internal Factor) 



Shrimps and other Crustacea: Produce and develop 

 bright pigment colors. 



Flies and Insects: Produce and develop subdued pig- 

 ment colors. 



Worms, Minnows, etc. (all flesh foods) : Produce and 

 develop dark and rich-toned pigment colors. 



Character of the water bottom 

 (External Factor) 



Sandy, 



Bright coloration. 



Gravelly, 

 Yellowish, 



„ ; ' . . . J •, ISubdued coloration. 

 Rocky, with mixed soils, J 



[Muddy, 1 



Dark Brown, -Dark coloration. 

 Black, 



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