 | Charles Darwin - 1884 - Страниц: 396
...most conspicuous position — namely, at the close of the introduction — the following words : " I am, convinced that natural selection has been the main but not the exclusive means of modification-" This has been of no avail. Great is the power of steady misrepresentation... | |
 | James Samuelson, Sir William Crookes - 1884 - Страниц: 798
...most conspicuous position — \ namely, at the close of the introduction — the following words : " I am convinced that natural selection has ' been the main, but not the exclusive, means of modification.' " (p. 421). Of course, by totally ignoring the ancillary factors... | |
 | 1884 - Страниц: 828
...most conspicuous position — namely, at the close of the introduction — the following words : " I am convinced that natural selection has ' been the main, but not the exclusive, means of modification.' " (p. 421). Of course, by totally ignoring the ancillary factors... | |
 | Edward Drinker Cope - 1886 - Страниц: 558
...increase, predominate, and ultimately become the centers of new variation. "I am convinced," says Darwin, "that natural selection has been the main, but not exclusive, means of modification." That it has been to a large extent the means of preservation of those structures known as specific,... | |
 | American Association for the Advancement of Science - 1888 - Страниц: 474
...encounter in their studies. Darwin has distinctly said in his first edition of the "Origin of Species," "I am convinced that natural selection has been the main but not the exclusive means of modification ;" and in his sixth edition of the same work, in quoting these... | |
 | 1888 - Страниц: 920
...encounter in their studies. Darwin has distinctly said in his first edition of the " Origin of Species," " I am convinced that natural selection has been the main but not the exclusive means of modification "; and in his sixth edition of the same work, in quoting these... | |
 | American Association for the Advancement of Science - 1888 - Страниц: 478
...encounter in their studies. Darwin has distinctly said in his first edition of the "Origin of Species," "I am convinced that natural selection has been the main but not the exciusive means of modification ;" and in his sixth edition of the same work, in quoting these... | |
 | Alfred Russel Wallace - 1889 - Страниц: 526
...formerly entertained — namely, that each species has been independently created — is erroneous. I am fully convinced that species are not immutable...I am convinced that Natural Selection has been the most important, but not the exclusive, means of modification." It should be especially noted that all... | |
 | Asa Gray - 1889 - Страниц: 524
...which I formerly entertained, namely, that each species has been independently itreated, is erroneous. I am fully convinced that species are not immutable...Furthermore, I am convinced that Natural Selection has been tlio main, but not exclusive, means of modification." This is the kernel of the new theory, the Darwinian... | |
 | John Holmes Agnew, Walter Hilliard Bidwell - 1889 - Страниц: 928
...most conspicuous position — namely, at the close of the Introduction — the following words : — ' I am convinced that natural selection has been the main, but not the exclusive, means of modification.' This has been of no avail. Great is the power of steady misrepresentation... | |
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I am fully convinced that species are not immutable; but that those belonging to what are called the same genera are lineal descendants of some other and generally extinct species, in the same manner as the acknowledged varieties of any one species are... 
