An experimental determination of the spe
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Greene, Charles Wilson
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Article
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1910
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John Wiley and Sons
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English
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Projessor o.f Physiology, Unieersity 01 MZ'ssoi~ri Certain fishes, like some birds, carry out extensive migrations, but unlike birds, their movements are hidden from direct observation. Commercial fishermen dip their nets into the waters and learn to know many of the movements of fishes by the chara