 ... 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 the descendants of that species....  Evolution - Seite 6441881Vollansicht - Über dieses Buch
 | Jared Sparks, Edward Everett, James Russell Lowell, Henry Cabot Lodge - 1872 - 492 Seiten
...the work, and in all subsequent editions, occur these words : " I am convinced that Natural Selection has been the most important, but not the exclusive, means of modification." That the work is not a merely dialectical performance is clear ; and it is equally clear that in proportion... | |
 | 1890 - 980 Seiten
...one species are the descendants of that species. Furthermore, I am convinced that natural selection has been the most important, but not the exclusive, means of modification." It should be especially noted, adds Mr. Wal* Page 9. lace, that all which is here claimed is now almost... | |
 | Charles Darwin - 1873 - 492 Seiten
...one species are the descendants of that species. Furthermore, I am convinced that Natural Selection has been the most important, but not the exclusive, means of modification. ' CHAPTER I. VARIATION UNDER DOMESTICATION. Cnuses of Variability — Effects of Habit and the use... | |
 | St. George Jackson Mivart - 1876 - 488 Seiten
...exclusive means of modification." In the last edition he says:" I am convinced that natural selection has been the most important, but not the exclusive means of modification." Before the appearance of the last edition, however, Mr. Darwin published his 'Descent of Man;' and... | |
 | St. George Jackson Mivart - 1876 - 492 Seiten
...exclusive means of modification." In the last edition he says : " I ain convinced that natural selection has been the most important, but not the exclusive means of modification." Before the appearance of the last edition, however, Mr. Darwin published his 'Descent of Man ;' and... | |
 | Karl Gjellerup - 1881 - 422 Seiten
...375 Note. a) ib p. 264. 3) Orig. of Sp. Slutng of Introduct: I am convinced that Natural Selection has been the most important but not the exclusive means of modification. •') As they (the social instincts) are highly beneficial to the species, they have in all probability... | |
 | 1910 - 844 Seiten
...which follow those above quoted, where he says : "Furthermore, I am convinced that natural selection has been the most important, but not the exclusive, means of modification." Darwin's evolution, then, was the formulation of the broad generalization. His main effort was to overthrow... | |
 | John Holmes Agnew, Walter Hilliard Bidwell - 1889 - 928 Seiten
...its overpowering importance, and the more confidently we claim, in Darwin's own words, that it ' hns been the most important, but not the exclusive, means...Now, in the latter quotation it is manifest that the " co operation" which is spoken of takes cognizance only of factors which are themselves either necessary... | |
 | Alfred Russel Wallace - 1889 - 520 Seiten
...one species are the descendants of that species. Furthermore, 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 which is here claimed is now almost universally admitted, while... | |
 | 1890 - 920 Seiten
...one species are the descendants of that species. Furthermore, I am convinced that natural selection has been the most important, but not the exclusive, means of modification." It should be especially noted, adds Mr. Wal* Page 9. lace, that all which is here claimed is now almost... | |
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