Abstract
IN speaking of “Dr. Bather's” theory and theories, Prof. Dunkerly pays me too much honour. That portion of my discourse which appeared in NATURE attempted a critical inquiry into other people's theories and a possible explanation of certain difficulties that they presented to my mind. To Prof. Dunkerly's mind the main theory presents yet another difficulty. He admits, apparently, the fact of evolution, and he admits some change of environment; but he urges (I understand), first, that the changes of environment are too slight to produce the great evolutionary changes seen along certain lines; secondly, that if they were a vera causa they would have affected all lines of descent in a more equal degree.
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BATHER, F. Evolution through Adaptation. Nature 123, 641–642 (1929). https://doi.org/10.1038/123641b0
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DOI: https://doi.org/10.1038/123641b0
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