Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - Всего страниц: 351 |
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Стр. iii
... that we have been obliged in some instances to sacrifice con- tinuity to perspicuity . But , as one object of this book is to correct misrepresentations by giving Darwin's views in his own language , some of his own repetitions.
... that we have been obliged in some instances to sacrifice con- tinuity to perspicuity . But , as one object of this book is to correct misrepresentations by giving Darwin's views in his own language , some of his own repetitions.
Стр. 4
... object , they ultimately contract spirally , after ceasing to revolve ; but in this case the movement is useless , and occurs only after a considerable lapse of time . With respect to the means by which these various movements are ...
... object , they ultimately contract spirally , after ceasing to revolve ; but in this case the movement is useless , and occurs only after a considerable lapse of time . With respect to the means by which these various movements are ...
Стр. 5
... object , and quickly curls round and firmly grasps it . In the course of some hours it contracts into a spire , dragging up the stem , and forming an excellent spring . All movements now cease . By growth the tis- sues soon become ...
... object , and quickly curls round and firmly grasps it . In the course of some hours it contracts into a spire , dragging up the stem , and forming an excellent spring . All movements now cease . By growth the tis- sues soon become ...
Стр. 13
... object gained by the two sexes becoming united in the same hermaphrodite form probably is to allow of occasional or frequent self - fertilization , so as to insure the propagation of the species , more especially in the case of ...
... object gained by the two sexes becoming united in the same hermaphrodite form probably is to allow of occasional or frequent self - fertilization , so as to insure the propagation of the species , more especially in the case of ...
Стр. 26
... object gained is the protection of the upper surfaces from being chilled at night by radiation . There is nothing improb- able in the upper surface needing ... objects so thin as are many cotyle- 26 DARWINISM STATED BY DARWIN HIMSELF .
... object gained is the protection of the upper surfaces from being chilled at night by radiation . There is nothing improb- able in the upper surface needing ... objects so thin as are many cotyle- 26 DARWINISM STATED BY DARWIN HIMSELF .
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Darwinism stated by Darwin himself: Characteristic passages from the ... Charles Darwin Ограниченный просмотр - 2023 |
Часто встречающиеся слова и выражения
acquired action admit allied apes appear Asa Gray become believe birds blush body breeds Catarrhine cause characters closely Cloth DARWIN degree descended developed distinct species domestic doubt early effects eggs existence expression extinct eyes fact favorable feel females fertilization forms gemmules genera geotropism habit hair HERBERT SPENCER hermaphrodites highly horse Illustrations increase individuals inhabitants inherited insects instance intermediate islands kind labellum lancelet language larvæ less living lower animals males mammals manner ment mental mind modified monkeys movements muscles natural selection naturalists observed offspring organic Origin of Species papillæ parent peculiar period plants pollen possess present principle probably produced Professor progenitors Quadrumana quadrupeds races remarkable resemble rudimentary savages seeds seems seen sexes sexual selection slight South America structure suppose T. H. HUXLEY tend tendency tion transmitted utricle variability variations varieties various vertebræ whole wild worms young
Популярные отрывки
Стр. i - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
Стр. 347 - It is interesting to contemplate an entangled bank, clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth, and to reflect that these elaborately constructed forms, so different from each other, and dependent upon each other in so complex a manner, have all been produced by laws acting around us.
Стр. 110 - To suppose that the eye, with all its inimitable contrivances for adjusting the focus to different distances, for admitting different amounts of light, and for the correction of spherical and chromatic aberration, could have been formed by natural selection, seems, I freely confess, absurd in the highest possible degree.
Стр. 72 - The key is man's power of accumulative selection: nature gives successive variations; man adds them up in certain directions useful to him. In this sense he may be said to have made for himself useful breeds.
Стр. 254 - It is incredible that all these facts should speak falsely. He who is not content to look, like a savage, at the phenomena of nature as disconnected, cannot any longer believe that man is the work of a separate act of creation.
Стр. 44 - It may be doubted whether there are many other animals which have played so important a part in the history of the world, as have these lowly organised creatures.
Стр. 308 - But as my conclusions have lately been much misrepresented, and it has 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 thé exclusive means of modification.