| 1863 - 510 páginas
...fixed."t In amusing contrast to Agassiz, we have the astounding deductions of Mr. Darwin, who writes — " I can entertain no doubt, after the most deliberate...am fully convinced that species are not immutable. ... I believe that all animals have descended from at most only four or five progenitors, and plants... | |
| John Duns - 1863 - 650 páginas
...past geological epochs in its history. Although much remains obscure, and will long remain obscure, I can entertain no doubt, after the most deliberate...naturalists entertain, and which I formerly entertained, that each species has been independently created, is erroneous. I am fully convinced that species are... | |
| Marlborough College (Marlborough, England). Natural History Society - 1869 - 452 páginas
...they can do so is what Mr. Darwin contends. To use his own words he says, " I can entertain no doubt that the view which most naturalists entertain and...independently created is erroneous. I am fully convinced that spacios are not immutable, but that these belonging to the same genera are lineal descendants of some... | |
| 1890 - 980 páginas
...remains obscure, and will long remain obscure, I can entertain no doubt, after the most deliberate and dispassionate judgment of which I am capable, that the view which most naturalists until recently entertained, and which I formerly entertained — namely, that each species has been... | |
| Charles Darwin - 1873 - 492 páginas
...past geological epochs in its history. Although mucb remains obscure, and will long remain obscure, I can entertain no doubt, after the most deliberate...I am capable, that the view which most naturalists until recently entertained, and which I formerly entertained—namely, that each species has been independently... | |
| Charles Darwin - 1875 - 504 páginas
...past geological epochs in its history. Although much remains obscure, and will long remain obscure, I can entertain no doubt, after the most deliberate...I am capable, that the view which most naturalists until recently entertained, and which I formerly entertained — namely, that each species has been... | |
| Samuel Davey - 1879 - 302 páginas
...he, "and will long remain obscure, I can entertain no doubt, after the most deliberate study and most dispassionate judgment of which I am capable, that...which most naturalists entertain, and which I formerly enter* tained, namely, that each species has been independently created, is erroneous. I am fully convinced... | |
| Charles Darwin - 1882 - 494 páginas
...dispassionate judgment of which I am capable, that the view which most naturalists until recently entertained, and which I formerly entertained — namely, that...is erroneous. I am fully convinced that species are riot immutable ; but that those belonging to what are called the same genera are lineal descendants... | |
| Benjamin G. Ferris - 1883 - 474 páginas
...innumerable species which now exist.* He says : "Although much remains obscure, and will long remain obscure, I can entertain no doubt, after the most deliberate...are not immutable ; but that those belonging to what is * "Analogy would lead one step further, namely, to the belief hat all i (2-480). that all animals... | |
| Roscoe Lorenzo Eames - 1883 - 256 páginas
...the kernel of Darwin's creed is this : "I can entertain no doubt, after the most deliberate study, that the view which most naturalists entertain, and...convinced that species are not immutable, but that those which belong to the same genera are really descended from the same species. I am convinced that natural... | |
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