Abstract
My article on “The Cultivation of the Unfit” published in NATURE of January 11, has drawan several criticisms including those from Dr. B. Dunlop and Dr. Needham printed above. Dr. Dunlop criticises me because I have estimated the number of children necessary to maintain the population constant as four instead of three. All I can say is that I derived my information from Major Leonard Darwin, who had looked thoroughly into the matter. It may be that subsequent research has proved Major Darwin to be mistaken, but in such matters a policy of caution is essential. It is rash to base a sweeping statement on the results of one worker—it is better to wait and see.
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M., E. Cultivation of the Unfit. Nature 137, 188–189 (1936). https://doi.org/10.1038/137188c0
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DOI: https://doi.org/10.1038/137188c0
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