. Days and nights of salmon fishing in the Tweed : with a short account of the natural history and habits of the salmon, instructions to sportsmen, anecdotes, Salmon fishing -- Tweed River; Salmon. SALMON FISHING IN THE TWEED The salmon has a peculiar formation of the eye, the crystalline lens having the fibres of which it is composed arranged as in the annexed sketch A, the line m n being horizontal on one side, and vertical on the other ; whereas in many of the trout species the fibres are arranged as at C, crossing one another, or rather meeting at two opposite poles, like the meridia


. Days and nights of salmon fishing in the Tweed : with a short account of the natural history and habits of the salmon, instructions to sportsmen, anecdotes, Salmon fishing -- Tweed River; Salmon. SALMON FISHING IN THE TWEED The salmon has a peculiar formation of the eye, the crystalline lens having the fibres of which it is composed arranged as in the annexed sketch A, the line m n being horizontal on one side, and vertical on the other ; whereas in many of the trout species the fibres are arranged as at C, crossing one another, or rather meeting at two opposite poles, like the meridians of a globe, the line joining the two poles being the axis of vision of the eye. " After examining the lenses of the parr you sent me," says Sir David Brewster in a letter now before me, " I found the structure to be exactly the same. 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 Scrope, William, 1772-1852. London : E. Arnold


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectsalmon, bookyear1898