Page:Popular Science Monthly Volume 63.djvu/68

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HE vital statistics of three other eastern colleges show the failure of Harvard graduates to produce their share of the present generation to be but a single example of a widespread condition. They further prove that the common discussions of the theoretical and practical questions which this failure suggests are superficial and misleading. In reality its explanation leads us directly to the fundamental problem of evolution. The facts are best seen in tabular form.

The first number in each column gives the average number of children; the number in parenthesis gives the number of cases on which the average id based.