Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - 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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acid acquired action adapted admit allied animals apes appear become believe birds body breeds cause character climate closely compared cotyledons crossed degree descended developed distinct species disuse domestic doubt early effects eggs embryo existence extinct eyes fact female fertilization forms gemmules genera genus geotropism Glacial habits hairs hermaphrodites highly horses increase individuals inhabitants inherited insects instance instincts islands kinds labellum lancelet larvæ leaves less living lower animals Malaxis paludosa males mammals manner mental millimetre modified monkeys movements muscles natural selection naturalists observed occasionally offspring organs Origin of Species ovules papillæ parent peculiar period pigeon plants points pollen pollinium possess present prey probably produced progenitors Quadrumana quadrupeds races radicles remarkable resemble rudimentary savages seedlings seeds seems sexes sexual elements sexual selection slight structure suppose surface tend tendency tion transmitted utricle variability variations varieties various vertebræ whole wild worms young