Mammalian Longevity

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SINCE my letter on this subject in NATURE of March 23, I have noticed that a slight change in the formula—the reduction of the constant from 10˙5 to 10˙1—gives much better results. The agreement is now very close indeed. The amended statement now runs as follows:—

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BELL, E. Mammalian Longevity. Nature 60, 30–31 (1899) doi:10.1038/060030b0

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