Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - Всего страниц: 351 |
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Стр. iii
... 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.
... 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. 2
... instance , the tendril of Cobæa first rises vertically up , with its branches divergent and with the terminal hooks turned outward ; the young shoot at the extremity of the stem is at the same time bent to one side , so as to be out of ...
... instance , the tendril of Cobæa first rises vertically up , with its branches divergent and with the terminal hooks turned outward ; the young shoot at the extremity of the stem is at the same time bent to one side , so as to be out of ...
Стр. 3
... instances tendrils bend toward the dark . 4. We have the spontaneous revolving movement which is independent of any outward stimulus , but is contingent on the youth of the part , and on vigorous health ; and this again , of course ...
... instances tendrils bend toward the dark . 4. We have the spontaneous revolving movement which is independent of any outward stimulus , but is contingent on the youth of the part , and on vigorous health ; and this again , of course ...
Стр. 7
... instances of animals ren- dered sterile by confinement ; so that they will not unite , or , if they unite , do not produce offspring , though the confinement may be far from close ; and of plants ren- dered sterile by cultivation . But ...
... instances of animals ren- dered sterile by confinement ; so that they will not unite , or , if they unite , do not produce offspring , though the confinement may be far from close ; and of plants ren- dered sterile by cultivation . But ...
Стр. 9
... instance of this fact is afforded by the Bignonia , which was fertilized by Fritz Müller with pollen from some adjoining plants and set hardly any seed , but , when fertilized with pollen from a distant plant , was highly fertile ...
... instance of this fact is afforded by the Bignonia , which was fertilized by Fritz Müller with pollen from some adjoining plants and set hardly any seed , but , when fertilized with pollen from a distant plant , was highly fertile ...
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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