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Embryology and Evolution

Abstract

DR. A. PINEY, in his letter to NATURE of Feb. 28, accuses me of reviving a dormant form of vitalism, but with the deification of entelechy I certainly have no association. He says, “The sterility of vitalistic hypotheses in the past leads one to doubt their fertility in the future”, but the fecundity of alternative hypotheses is not conspicuous.

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MACGREGOR, M. Embryology and Evolution. Nature 127, 595 (1931). https://doi.org/10.1038/127595a0

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