 | Thomas Henry Huxley - 1870 - Страниц: 400
...again ; but there is no positive evidence, at present, that any group of animals has, by variation and selective breeding, given rise to another group which...ingenious and important arguments to diminish the force of the objection. We admit the value of these arguments to their fullest extent ; nay, we will go so far... | |
 | Thomas Henry Huxley - 1870 - Страниц: 448
...point, and brings forward a multitude of ingenious and important arguments to diminish the force of the objection. We admit the value of these arguments to...express our belief that experiments, conducted by a skilful physiologist, would very probably obtain the desired production of mutually more or less... | |
 | Thomas Henry Huxley - 1870 - Страниц: 444
...again ; but there is no positive evidence, at present, that any group of animals has, by variation and selective breeding, given rise to another group which...infertile with the first. Mr. Darwin is perfectly awnre of this weak point, and brings forward a multitude of ingenious and important arguments to diminish... | |
 | Thomas Henry Huxley - 1871 - Страниц: 408
...again ; but there is no positive evidence, at present, that any group of animals has, by variation and selective breeding, given rise to another group which...ingenious and important arguments to diminish the forfe of the objection. We admit the value of these arguments to their fullest extent ; nay, we will... | |
 | Thomas Henry Huxley - 1871 - Страниц: 422
...again ; but there is no positive evidence, at present, that any group of animals has, by variation and selective breeding, given rise to another group which...least degree infertile with the first. Mr. Darwin ie perfectly aware of this weak pointy and brings forward a multitude of ingenious and important arguments... | |
 | Charles William Grant (col.) - 1872 - Страниц: 98
...again ; but there is no positive evidence, at present, that any group of animals has, by variation and selective breeding, given rise to another group which...even in the least degree infertile with the first ; but still, as the case stands at present, this little rift within the lute is not to be disguised... | |
 | London coll. of the Presbyterian church in England - 1874 - Страниц: 284
...again, but there is no positive evidence at present that any group of animals has, by variation and selective breeding, given rise to another group which...ingenious and important arguments to diminish the force of the objection. We admit the value of these arguments to their fullest extent; nay, we will go so far... | |
 | 1882 - Страниц: 590
...again; but there is no positive evidence at present that any group of animals has, by variation and selective breeding, given rise to another group which...even in the least degree infertile with the first. ... As the case stands at present, this ' little rift within the lute ' is not to be disguised nor... | |
 | Literary and Philosophical Society of Liverpool - 1882 - Страниц: 480
...again ; but there is no positive evidence, at present, that any group of animals has, by variation and selective breeding, given rise to another group which was even in the least degree infertile from the first. Mr. Darwin is perfectly aware of this weak point, and brings forward a multitude of... | |
 | Literary and Philosophical Society of Liverpool - 1882 - Страниц: 484
...again ; but there is no positive evidence, at present, that any group of animals has, by variation and selective breeding, given rise to another group which was even in the least degree infertile from the first. Mr. Darwin is perfectly aware of this weak point, and brings forward a multitude of... | |
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Groups having the morphological character of species, distinct and permanent races in fact, have been so produced over and over again, but there is no positive evidence at present that any group of animals has, by variation and selective breeding, given... 
