Darwin, in order to place his views beyond the reach of all possible assault, ought to be able to demonstrate the possibility of developing from a particular stock, by selective breeding, two forms, which should either be unable to cross one with another,... Journal of the Asiatic Society of Bengal - 144 페이지1868전체보기
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Charles Darwin, Frederick Burkhardt - 1999 - 1086 페이지
...views would not be 'beyond the reach of all possible assault' (TH Huxley 1863a, p. 147), until CD could demonstrate: the possibility of developing from a...unable to cross one with another, or whose cross-bred offspr1ng should be infertile with one another. Only then. Huxley argued, would artificial selection...