Selections from "The Origin of Species", "The Descent of Man", "The Espressions of the Emotions in Man and Animals", "Animals and Plants", "Insectivorous Plants" and "The Formation of Vegetable Mould"Street & Smith, 1902 - Всего страниц: 213 |
Результаты поиска по книге
Результаты 1 – 5 из 42
Стр. 4
... whole organization or on certain parts alone , and indirectly by affecting the reproductive system . With respect to the direct action , we must bear in mind that in every case , as Pro- fessor Weismann has lately insisted , and as I ...
... whole organization or on certain parts alone , and indirectly by affecting the reproductive system . With respect to the direct action , we must bear in mind that in every case , as Pro- fessor Weismann has lately insisted , and as I ...
Стр. 10
... whole subject would be , to look at the inheritance of every character whatever as the rule , and non - in- heritance as the anomaly . The laws governing inheritance are for the most part unknown . No one can say why the same ...
... whole subject would be , to look at the inheritance of every character whatever as the rule , and non - in- heritance as the anomaly . The laws governing inheritance are for the most part unknown . No one can say why the same ...
Стр. 23
... whole animal and vegetable king- doms ; for in this case there can be no artificial increase of food , and no prudential restraint from marriage . Although some species may be now increasing , more or less rapidly , in numbers , all ...
... whole animal and vegetable king- doms ; for in this case there can be no artificial increase of food , and no prudential restraint from marriage . Although some species may be now increasing , more or less rapidly , in numbers , all ...
Стр. 25
... whole is- lands in a period of less than ten years . Several of the plants , such as the cardoon and a tall thistle , which are now the commonest over the wide plains of La Plata , clothing square leagues of surface almost to the ex ...
... whole is- lands in a period of less than ten years . Several of the plants , such as the cardoon and a tall thistle , which are now the commonest over the wide plains of La Plata , clothing square leagues of surface almost to the ex ...
Стр. 26
... whole district , let it be ever so large . The condor lays a couple of eggs and the ostrich a score , and yet in the same coun- try the condor may be the more numerous of the two ; the Fulmar petrel lays but one egg , yet it is believed ...
... whole district , let it be ever so large . The condor lays a couple of eggs and the ostrich a score , and yet in the same coun- try the condor may be the more numerous of the two ; the Fulmar petrel lays but one egg , yet it is believed ...
Другие издания - Просмотреть все
Selections From the Origin Of Species, the Descent Of Man, the Espressions ... Charles Darwin Недоступно для просмотра - 2022 |
Selections from the Origin of Species, the Descent of Man, the Espressions ... Charles Darwin Недоступно для просмотра - 2018 |
Selections From the Origin Of Species, the Descent Of Man, the Espressions ... Charles Darwin Недоступно для просмотра - 2022 |
Часто встречающиеся слова и выражения
action advantage animals and plants anthropomorphous appear baboon beak become biped birds body breed cats cattle cause character chimpanzee close clover coccus coccyx degree deviations of structure distinct dividuals domestic animals doubt Drosera ears effect eggs erect expression extremely fact feel female fertile flower frown gastric juice give glands greater number habits hand heath higher animals hive-bee horses important increase individuals inflected inherited insects instance kinds leaves legs less likewise lower animals males mals mammals mandrill manner mental modified monkeys mouth muscles native natural selection nectar offspring organs Origin of Species Paraguay peculiar pepsin period pollen prey produced races red clover remarks Rengger savage secretion seeds seen sexes sexual selection slight social instinct species spinal stripe stamens struggle tail tain tentacles tion trees tural uncon variability variations varieties various vary vertebræ vigorous whole wild worms young
Популярные отрывки
Стр. 150 - Is it not monstrous that this player here, But in a fiction, in a dream of passion, Could force his soul so to his own conceit That from her working all his visage wann'd ; Tears in his eyes, distraction in 's aspect, A broken voice, and his whole function suiting With forms to his conceit...
Стр. 40 - It may be said that natural selection is daily and hourly scrutinizing, throughout the world, every variation, even the slightest; rejecting that which is bad, preserving, and adding up all that is good; silently and insensibly working, whenever and wherever opportunity offers, at the improvement of each organic being in relation to its organic and inorganic conditions of life.
Стр. xi - Variability from the indirect and direct action of the external conditions of life, and from use and disuse; a Ratio of Increase so high as to lead to a Struggle for Life, and as a consequence to Natural Selection, entailing Divergence of Character and the Extinction of lessimproved forms.
Стр. 32 - ... the action and reaction of the innumerable plants and animals which have determined, in the course of centuries, the proportional numbers and kinds of trees now growing on the old Indian ruins...
Стр. 40 - Nature's productions should be far "truer" in character than man's productions; that they should be infinitely better adapted to the most complex conditions of life, and should plainly bear the stamp of far higher workmanship? It may metaphorically be said that natural selection is daily and hourly scrutinizing, throughout the world, the slightest variations; rejecting those that are bad, preserving and adding up all that are good; silently and insensibly working, whenever and wherever opportunity...
Стр. 93 - Thus at last man comes to feel through acquired and perhaps inherited habit, that it is best for him to obey his more persistent instincts. The imperious word ought...
Стр. 105 - The main conclusion arrived at in this work, namely that man is descended from some lowly organised form, will, I regret to think, be highly distasteful to many. But there can hardly be a doubt that we are descended from barbarians. The astonishment which I felt on first seeing a party of Fuegians on a wild and broken shore will never be forgotten by me, for the reflection...
Стр. 96 - They collect food for the community, and when an object, too large for entrance, is brought to the nest, they enlarge the door, and afterwards build it up again.
Стр. 38 - No country can be named in which all the native inhabitants are now so perfectly adapted to each other and to the physical conditions under which they live, that none of them could...
Стр. 19 - would ever try to make a fantail till he saw a pigeon with a tail developed in some slight degree in an unusual manner, or a pouter until he saw a pigeon with a crop of unusual size.