 | 1861 - Страниц: 376
...assumption regarding Darwin's object, for in the introductory chapters to his work, we find him stating, " that natural selection has been the main but not exclusive means of modification" (Darwin's Origin of Species, p. 6, 5th 1000). Then, again, with reference to the controlling power... | |
 | 1861 - Страниц: 716
...descended like varieties from other species. He thus states his theory at the end of his Introduction : " I am fully convinced that species are not immutable...one species are the descendants of that species." (Page 13.) This is quite a moderate statement of the theory ; and in reading the book we are led to... | |
 | 1875 - Страниц: 828
...that each species has been independently created, is erroneous." He then goes on to state that he is fully convinced that species are not immutable, but...some other and generally extinct species, in the same way as the acknowledged varieties of any one species are the descendants of that species. • Dr. Hodge.... | |
 | American Association for the Advancement of Science - 1888 - Страниц: 476
...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 words,... | |
 | 1860 - Страниц: 800
...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." This is the kernel of the new theory, the Darwinian creed, as recited at the close of the introduction... | |
 | 1860 - Страниц: 794
...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." This is the kernel of the new theory, the Darwinian creed, as recited at the close of the introduction... | |
 | 1860 - Страниц: 966
...In the introduction the author gives the 'summary and application of these principles thus : — " I am fully convinced that species are not immutable...manner as the acknowledged varieties of any one species arc the descendants of that species. Furthermore, I am convinced that natural selection has been the... | |
 | Moncure Daniel Conway - 1860 - Страниц: 794
...formerly entertained — namely, that each species has been independently created — is erroneous. I am fully convinced that species are not immutable...the same manner as the acknowledged varieties of any species are the deseendauts of that species. Furthermore, I am convinced that Natural Selection has... | |
 | 1860 - Страниц: 656
...which I formerly entertained, namely, that each species has been independently created, is erroneous. I am fully convinced, that species are not immutable...some other and generally extinct species, in the same way as the acknowledged varieties of any one species are the descendants of that species. Furthermore,... | |
 | 1860 - Страниц: 580
...the same genera are lineal descendants of some other and generally extinct species, in the same way as the acknowledged varieties of any one species are...Selection has been the main, but not exclusive, means of modification."—PG Such, in few words, is Mr Darwin's profession of faith. It must be acknowledged,... | |
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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... 
