 I cannot doubt that the theory of descent with modification embraces all the members of the same great class or kingdom. I believe that animals are descended from at most only four or five progenitors, and plants from an equal or lesser number.  Zeitschrift für Ethnologie - หน้า 1251871มุมมองทั้งเล่ม - เกี่ยวกับหนังสือเล่มนี้
 | 1878 - 794 หน้า
...have constituted an epoch in natural history. The conclusions to which he arrived were as follows : " That the theory of descent with modification embraces all the members of the same class. I believe that animals have descended from at most only four or five progenitors, and plants from an... | |
 | 1878 - 802 หน้า
...have constituted an epoch in natural history. The conclusions to which he arrived were as follows : " That the theory of descent with modification embraces all the members of the same class. I believe that animals have descended from at most only four or five progenitors, and plants from an... | |
 | Samuel Wainwright - 1881 - 348 หน้า
...Opponents," ut sup,, p. 595. 1 Ibid. convenient substitute for certainty. Thus, eg-— " I cannot doubt that the theory of descent with modification embraces all the members of the same class." l And again : " I can indeed hardly doubt that all vertebrate animals having true lungs, have descended,... | |
 | Thomas Archer (historical writer.) - 1883 - 754 หน้า
...it to be verified by others as he thought he had verified it to himself. "I cannot doubt," he said, "that the theory of descent, with modification, embraces all the members of the same class. I believe that animals have descended from at most only four or five progenitors, and plants from an... | |
 | Thomas Archer - 1883 - 786 หน้า
...it to be verified by others as he thought he had verified it to himself. " I cannot doubt," he said, "that the theory of descent, with modification, embraces all the members of the same class. I believe that animals have descended from at most only four or five progenitors, and plants from an... | |
 | Samuel Wainwright - 1883 - 326 หน้า
...Opponents," ut sup., p. 595. > Ibid. convenient substitute for certainty. Thus, eg— " I cannot doubt that the theory of descent with modification embraces all the members of the same class."1 And again: "I can indeet* hardly doubt that all vertebrate animals having true lungs, have... | |
 | 1883 - 446 หน้า
...pattern, and at a very early age the embryos closely resemble each other. Therefore I cannot doubt that the theory of descent with modification embraces all the members of the same great class or kingdom. I believe that animals are descended from at most only four or five progenitors,... | |
 | Samuel Wainwright - 1884 - 416 หน้า
...conceive,' and his conception serves as a convenient substitute for certainty. Thus : — ' I cannot doubt that the theory of descent, with modification, embraces all the members of the same class.' ' / can indeed hardly doubt that all vertebrate animals . . . have descended from an ancient prototype... | |
 | Royal Society of New South Wales - 1884 - 400 หน้า
...appeared in 1859, Mr. Darwin formally announced his view of natural history. He says : " I cannot doubt that the theory of descent, with modification, embraces all the members of the same class. I believe that animals have descended from at most only four or five progenitors, and plants from an... | |
 | Charles Darwin - 1884 - 396 หน้า
...pattern, and at a very early age the embryos closely resemble each other. Therefore I can not doubt that the theory of descent with modification embraces all the members of the same great class or kingdom. I believe that animals are descended from at most only four or five progenitors,... | |
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