Abstract
IF Prof. Meldola does not suppose that all spontaneous variations are limited in inheritance to one sex, he is logically bound to admit that the theory of sexual selection does not explain unisexual inheritance. There can be no possibility of verbal juggle in my arguments, because I define a secondary sexual character as one that is affected by castration, one that does not develop normally after removal of the generative organs, a spontaneous variation as one that is not produced by the conditions of life.
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CUNNINGHAM, J. Sexual Dimorphism. Nature 63, 299 (1901). https://doi.org/10.1038/063299b0
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DOI: https://doi.org/10.1038/063299b0
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