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doi: 10.1038/044518b0
IN Prof. C. Lloyd Morgan's Presidential address to the Bristol Naturalists’ Society, on “The Nature and Origin of Variations” (of which he has kindly sent me a reprint from the Society's Proceedings), there are one or two points on which there seems to me to be a slight misconception; and as the difficulties suggested have probably occurred to other naturalists, I wish to make a few observations in the hope of throwing a little light on this obscure subject.
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