. The complete science of fly fishing and spinning. Fly-casting. [from old catalog]. THE SENSES OF A TROUT 91 therefore, subtends an angle of 96 degrees in every upward direction—is confined the view of all objects within the 180 degrees vertically above the water. In other words, the trout sees, as it were, all objects above the surface of the water within an arc of about half that in which these objects really exist, and consequently, the comparative size of these objects must be relatively smaller in view of their being cramped into its smaller field of vision. p\ane of Troufe v. 40° Diagra
. The complete science of fly fishing and spinning. Fly-casting. [from old catalog]. THE SENSES OF A TROUT 91 therefore, subtends an angle of 96 degrees in every upward direction—is confined the view of all objects within the 180 degrees vertically above the water. In other words, the trout sees, as it were, all objects above the surface of the water within an arc of about half that in which these objects really exist, and consequently, the comparative size of these objects must be relatively smaller in view of their being cramped into its smaller field of vision. p\ane of Troufe v. 40° Diagram i. A B C D, horizontal plane of trout's vision ; E T , trout; D A C B, horizontal zone of trout's sight. In order to make this perfectly clear to my readers, I have shown two diagrams. In Diagram 2, E is the eye of the fish, from which rises a vertical cone E A, E C, E B, ED, the sides of which cut the surface of the water as shown at A B C D. All rays of light from objects above the water which reach the trout at E must enter the water within the circle. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Shaw, Fred. G. (Frederick George). New York, The Macmillan company
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915
