 | Charles Darwin - 1964 - Страниц: 564
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 | Smithsonian Institution. Board of Regents - 1912 - Страниц: 824
...Darwin's hypothesis by referring to his own remarks on the subject. He states that in his opinion " animals have descended from at most only four or five...progenitors, and plants from an equal or lesser number. This would lead us one step further, namely, to the belief that all animals and plants have descended... | |
 | James Russell Major - 1966 - Страниц: 1198
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I believe that animals have descended from at most only four or five progenitors, and plants from an equal or lesser number. Analogy would lead me one step further, namely, to the belief that all animals and plants have descended from some one prototype.... 
