Darwinia: Essays and Reviews Pertaining to DarwinismD. Appleton, 1877 - Всего страниц: 404 |
Результаты поиска по книге
Результаты 1 – 5 из 44
Стр. vii
... prove Transmutation . - Known Extent of Variation . - Cause of Likeness unknown . - Artificial Selection . - Reversion . - In- terbreeding . - Natural Selection . - Classification tentative.- What Darwin assumes . - Argument stated ...
... prove Transmutation . - Known Extent of Variation . - Cause of Likeness unknown . - Artificial Selection . - Reversion . - In- terbreeding . - Natural Selection . - Classification tentative.- What Darwin assumes . - Argument stated ...
Стр. 13
... prove that the species we recognize have not been in- dependently created , as such , but have descended , like varieties , from other species . Varieties , on this view , are incipient or possible species : species are varieties of a ...
... prove that the species we recognize have not been in- dependently created , as such , but have descended , like varieties , from other species . Varieties , on this view , are incipient or possible species : species are varieties of a ...
Стр. 14
... proved only indirectly , by the failure of every attempt to refer the phenomena in question to causal laws . But , however originated , and whatever be thought of Mr. Darwin's arduous undertaking in this respect , it is certain that ...
... proved only indirectly , by the failure of every attempt to refer the phenomena in question to causal laws . But , however originated , and whatever be thought of Mr. Darwin's arduous undertaking in this respect , it is certain that ...
Стр. 20
... proved true ( p . 449 ) ; and p . 338 : " Agassiz insists that ancient animals resemble to a certain extent the embryos of recent animals of the same classes ; or that the geological succession of ex- tinct forms is in some degree ...
... proved true ( p . 449 ) ; and p . 338 : " Agassiz insists that ancient animals resemble to a certain extent the embryos of recent animals of the same classes ; or that the geological succession of ex- tinct forms is in some degree ...
Стр. 24
... upon the first , for , as he does assign real causes , he is bound to prove their adequacy . It should be kept in mind that , while all direct proof of independent origination is attainable from the nature of 24 DARWINIANA .
... upon the first , for , as he does assign real causes , he is bound to prove their adequacy . It should be kept in mind that , while all direct proof of independent origination is attainable from the nature of 24 DARWINIANA .
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
adaptation Agassiz American ammonia appears argument atheistic bald cypress botanists bristles Candolle Charles Darwin Cloth common connection creation Cretaceous Darwin Darwinian derivation digestion Dionæa direct divine doctrine Drosera Europe evidence evolution existence explain extinct facts favor final causes flies force forms fossil genera genus geological glands Glyptostrobus gradations ground Hodge human hypothesis idea illustration individuals inference insects instance Japan laws leaf leaves less Linnæus living manifested matter means ment mind miocene movement natural history natural selection natural theology naturalists nebular hypothesis North organic origin of species peculiar pepsin perhaps philosophical phyllotaxis physical pitchers plants and animals present principle probably produced Prof question races redwoods regard region remarkable Sarracenia scientific secretion seems Sequoia succession sundew suppose Taxodium teleology tentacles tertiary theistic theory things thought tion tive trees variation varieties vary vegetable whole
Популярные отрывки
Стр. 131 - And God said, Let the earth bring forth the living creature after his kind, cattle, and creeping thing, and beast of the earth after his kind: and it was so.
Стр. 2 - Our Place among Infinities: A Series of Essays contrasting our Little Abode in Space and Time with the Infinities Around us. Crown 8vo, cloth extra, 6s. The Expanse of Heaven : A Series of Essays on the Wonders of the Firmament.
Стр. 38 - There is no exception to the rule that every organic being naturally increases at so high a rate, that if not destroyed, the earth would soon be covered by the progeny of a single pair.
Стр. 38 - We behold the face of nature bright with gladness, we often see superabundance of food ; we do not see, or we forget, that the birds which are idly singing round us mostly live on insects or seeds, and are thus constantly destroying life ; or we forget how largely these songsters, or their eggs, or their nestlings, are destroyed by birds and beasts of prey...
Стр. 276 - My substance was not hid from thee, when I was made in secret, and curiously wrought in the lowest parts of the earth.
Стр. 396 - XVIII. The Nature of Light: With a General Account of Physical Optics.
Стр. 18 - The green and budding twigs may represent existing species; and those produced during each former year may represent the long succession of extinct species. At each period of growth all the growing twigs have tried to branch out on all sides, and to overtop and kill the surrounding twigs and branches, in the same manner as species and groups of species have tried to overmaster other species in the great battle for life.
Стр. 395 - II. Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance
Стр. 104 - I can entertain no doubt, after the most deliberate study and dispassionate judgment of which I am capable, that the view which most naturalists until recently entertained, and which I formerly entertained, namely, that each species has been independently created, is erroneous. I am fully convinced that species are not immutable...
Стр. 104 - ... been stated that I attribute the modification of species exclusively to natural selection, I may be permitted to remark that in the first edition of this work, and subsequently, I placed 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.