...The retina is the most delicate of the coats of the eyeball... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The nervous structures of the retina terminate at a wavy line, the oraserrata, behind the ciliary processes...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Its whole skin is a sort of retina, incapable of seeing, of course, but able, at any rate, to distinguish between light and darkness...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...Immediately under the sclerotic we find a very delicate, dark-red membrane,very rich in blood-vessels—the choroid coat—and inside thisthe retina (o), the expansion of the optic nerve (i)...
Ernst Haeckel 「The Evolution of Man」
...319 g), hollows out thecup-shaped optic vesicle from below, and presses between the lens (l)and the retina (i)...
Ernst Haeckel 「The Evolution of Man」
...This form of drawing isbased on the consideration of the flat appearances on the retina,with the knowledge of the felt shapes of objects for the time beingforgotten...
Harold Speed 「The Practice and Science Of Drawing」
...2 we have removed the skin and muscles and exposed the twomain structural features in the form of the eye, namely the bonyring of the socket and the globe containing the lenses and retina...
Harold Speed 「The Practice and Science Of Drawing」
...But the wordsof Professor Maniel were limned onthe retina of his brain in letters of fire...
Various 「Astounding Stories of Super-Science April 1930」
...This was a precaution that occurred to me, as there was a possibility that the vertical diameter of the retina might be more or less sensitive than the horizontal one...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
...By using a concave glass instead of a convex,and placing it so as to prevent any image being formed, except onthe retina direct, this inconvenience is avoided...
Oliver Lodge 「Pioneers of Science」
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