 | Charles Darwin - 1864 - 472 Seiten
...formerly entertained — namely, that each species has been independently created — is erroneous. I am fully convinced that species are not immutable...are the descendants of that species. Furthermore, lam convinced that Natural Selection has been the main but not excln-, give means of modification.... | |
 | Charles Darwin - 1866 - 668 Seiten
...formerly entertained — namely, that each species has been independently created — is erroneous. I am fully convinced that species are not immutable...the main but not exclusive means of modification. CHAPTER I. VARIATIOX UNDER DOMESTICATION. Causes of Variability — Effects of Habit — Correlation... | |
 | Henry Allon - 1863 - 550 Seiten
...brevity, Natural Selection.'* And in the introduction he gives the application of the theory : — ' I am fully convinced that species are not immutable...varieties of any one species are the descendants of that specios. Furthermore, I am convinced that natural selection has been the main, but not exclusive means... | |
 | 1909 - 828 Seiten
...in a 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;... | |
 | Marlborough College (Marlborough, England). Natural History Society - 1869 - 452 Seiten
...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 other...Furthermore I am convinced that Natural Selection has been tho main but not exclusive means of modification." What is this work performed by Natural Selection... | |
 | Charles Darwin - 1870 - 468 Seiten
...formerly entertained — namely, that each species has been independently created — is erroneous. I am fully convinced that species are not immutable...convinced that Natural Selection has been the main but not exclu sive means of modification. CHAPTER I. VARIATION UNDER DOMESTICATION. Causes of Variability—... | |
 | Edward Drinker Cope - 1870 - 78 Seiten
...increase, predominate, and ultimately become the centres 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,... | |
 | 1870 - 708 Seiten
...increase, predominate, and ultimately become the centres 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,... | |
 | 1890 - 980 Seiten
...formerly entertained — namely, that each species has been independently created — is erroneous. I am fully convinced that species are not immutable...those belonging to what are called the same genera are the lineal descendants of some other and generally extinct species, in the same manner as the acknowledged... | |
 | Nicholas Patrick Wiseman - 1872 - 542 Seiten
...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.' " In spite of this disclaimer, however, it is evident that Mr.... | |
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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... 
