On the Origin of Species by Means of Natural Selection, Or, The Preservation of Favoured Races in the Struggle for LifeJohn Murray, 1866 - 593페이지 In bringing together for the first time in one volume the two principal works of Charles Darwin, the editors of the Modern Library are in a sense fulfilling a part of the author's intention. The Descent of Man is, in truth, a sequel and amplification of The Origin of Species and belongs with it as corroborative scientific evidence of the theories of evolution set forth in the earlier work. Darwin's statement in The Origin of Species that "light would be thrown on the origin of man and his history" is justified by the wealth of data contained in The Descent of Man. To these facts are added in the section Selection in Relation to Sex a mass of observations in support of the hypothesis that sexual selection exercises a major influence in the evolution of species. Of the history of these books and their epoch-making consequences upon the scientific and religious thought of our time it would be superfluous to comment. They remain in the 20th century, in spite of a few minor scientific revisions, one of the greatest achievements in humanity's quest for enlightenment. |
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vii 페이지
... modification - Transitions- Absence or rarity of transitional varieties — Transitions in habits of life- Diversified habits in the same species - Species with habits widely different from those of their allies - Organs of extreme ...
... modification - Transitions- Absence or rarity of transitional varieties — Transitions in habits of life- Diversified habits in the same species - Species with habits widely different from those of their allies - Organs of extreme ...
ix 페이지
... modification Summary of the last and pre- sent chapter .. .. .. Page 457-485 CHAPTER XIII . MUTUAL AFFINITIES OF ORGANIC BEINGS : MORPHOLOGY : EMBRYOLOGY : RUDIMENTARY ORGANS . - Natural system · CLASSIFICATION , groups subordinate to ...
... modification Summary of the last and pre- sent chapter .. .. .. Page 457-485 CHAPTER XIII . MUTUAL AFFINITIES OF ORGANIC BEINGS : MORPHOLOGY : EMBRYOLOGY : RUDIMENTARY ORGANS . - Natural system · CLASSIFICATION , groups subordinate to ...
xiv 페이지
... modification , he attributed something to the direct action of the physical conditions of life , some- thing to the crossing of already existing forms , and much to use and disuse , that is , to the effects of habit . To this latter ...
... modification , he attributed something to the direct action of the physical conditions of life , some- thing to the crossing of already existing forms , and much to use and disuse , that is , to the effects of habit . To this latter ...
xv 페이지
... modification . This same view was given in his 55th Lecture , pub- lished in the ' Lancet ' in 1834 . In 1831 Mr. Patrick Matthew published his work on ' Naval Timber and Arboriculture , ' in which he gives precisely the same view on ...
... modification . This same view was given in his 55th Lecture , pub- lished in the ' Lancet ' in 1834 . In 1831 Mr. Patrick Matthew published his work on ' Naval Timber and Arboriculture , ' in which he gives precisely the same view on ...
xvi 페이지
... modification of species he seems to lean towards the side of change . The Vestiges of Creation ' appeared in 1844 ... modify organic structures in accordance with external circumstances , as food , the nature of the habitat , and the ...
... modification of species he seems to lean towards the side of change . The Vestiges of Creation ' appeared in 1844 ... modify organic structures in accordance with external circumstances , as food , the nature of the habitat , and the ...
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adapted affinities allied species America analogous ancient appear archipelago become bees believe birds breeds cause cells chapter characters climate closely allied colour common continued crossed crustaceans degree difficulty distinct species divergence doubt eggs embryo existing exterminated extinct extremely facts favourable Fcap females fertilised fertility flowers formation forms fossil Fritz Müller Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites History hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate larvæ less living male mammals manner migration modification modified descendants natural selection naturalists nearly nest offspring organic organisation parent perfect pigeons plants pollen Post 8vo present principle probably produced progenitor racters ranked reciprocal crosses remarked resemble rudimentary seeds sexual selection Silurian slight South America stamens sterility structure struggle successive supposed tion variability variations varieties vary Vols whole widely Woodcuts
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229 페이지 - If it could be proved that any part of the structure of any one species had been formed for the exclusive good of another species, it would annihilate my theory, for such could not have been produced through natural selection.
xv 페이지 - ... species had not been independently created, but had descended, like varieties, from other species. Nevertheless, such a conclusion, even if well founded, would be unsatisfactory, until it could be shown how the innumerable species, inhabiting this world have been modified, so as to acquire that perfection of structure and coadaptation which justly excites our admiration.
81 페이지 - Several writers have misapprehended or objected to the term Natural Selection. Some have even imagined that natural selection induces variability, whereas it implies only the preservation of such variations as arise and are beneficial to the being under its conditions of life.
208 페이지 - If it could be demonstrated that any complex organ existed, which could not possibly have been formed by numerous, successive, slight modifications, my theory would absolutely break down.
144 페이지 - The limbs divided into great branches, and these into lesser and lesser branches, were themselves once, when the tree was...
64 페이지 - Hence, as more individuals are produced than can possibly survive, there must in every case be a struggle for existence, either one individual with another of the same species, or with the individuals of ^distinct species, or with the physical conditions of life. It is the doctrine of Malthus applied with manifold force to the whole animal and vegetable kingdoms; for in this case there can be no artificial increase of food, and no prudential restraint from marriage.
595 페이지 - History of Rome. From the Earliest Times to the Establishment of the Empire. With the History of Literature and Art.
73 페이지 - Battle within battle must be continually recurring with varying success; and yet in the...
412 페이지 - Every species has come into existence coincident both in space and time with a pre-existing closely allied species.
84 페이지 - ... useful to any being. She can act on every internal organ, on every shade of constitutional difference, on the whole machinery of life. Man selects only for his own...