I. Report of the committee, consisting of Mr. Galton (Chairman), Mr. F. Darwin, Professor Macalister, Professor Meldola, Professor Poulton, and Professor Weldon, “for conducting statistical inquiries into the measurable characteristics of plants and animals.” Part I. “An attempt to measure the death-rate due to the selective destruction of Carcinus mænas with respect to a particular dimension

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Abstract
Among the material available for the purposes of the Committee was a sample of Carcinus mænas, from Plymouth Sound, including a fairly large number of young females. The distribution of abnormalities in certain dimensions had already been determined for adult females from the same locality (‘Roy. Soc. Proc.,’ vol. 54, pp. 318-329); and it seemed worth while to compare the frequency of abnormalities in young individuals at various stages of growth with the frequency of the same abnormalities in adult life, so as to determine whether any evidence of selective destruction during growth could be discovered or not.