Excerpt from Fly-Fishing and Fly-Making for Trout, Bass, Salmon, Etc The formation of the eye of the fish does not materi ally difier, one species from another, among the angler's fishes. The cornea is somewhat flat in sectional outline, and the shape, or, so to speak, the ground plan, is virtu ally similar in save the European graylin g (s. Thymallus). The pupil of the eye of this fish is oval instead of ciren lar - the oval of the plover's egg rather than that of the hen, being sharper than a true oval at one end. ...
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Excerpt from Fly-Fishing and Fly-Making for Trout, Bass, Salmon, Etc The formation of the eye of the fish does not materi ally difier, one species from another, among the angler's fishes. The cornea is somewhat flat in sectional outline, and the shape, or, so to speak, the ground plan, is virtu ally similar in save the European graylin g (s. Thymallus). The pupil of the eye of this fish is oval instead of ciren lar - the oval of the plover's egg rather than that of the hen, being sharper than a true oval at one end. The apex of this sharp end is pointed toward the upper part of the head, tailward, giving the fish a somewhat sinister appearance. What purpose this particular configuration serves I do not know, but one thing is certain The vis ual ability of the grayling is equal, if not superior, to that of the trout, as is proved by its rising, often from a great depth, to the fly. I notice, also, that the normal waiting position of this fish is inclined toward the water's surface instead of being horizontal, as is usually the case with trout. This being so, the greater mass of the rays of direct sunlight would fall on the forward part of the eye, and I offer it as a conjecture, based on the law of devel Opment, that this, continued through generations, has evolved the peculiar shape. The graylin g of this country, though apparently similar in every other respect, does not exhibit the peculiarity referred to. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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