On the Origin of Species: Or, The Causes of the Phenomena of Organic Nature ; a Course of Six Lectures to Working MenD. Appleton, 1890 - 150페이지 |
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5 페이지
... Living Beings IV . The Perpetuation of Living Beings , Hereditary Trans- mission and Variation . V. The Conditions of Existence as affecting the Perpetua- tion of Living Beings . VI . A Critical Examination of the Position of Mr ...
... Living Beings IV . The Perpetuation of Living Beings , Hereditary Trans- mission and Variation . V. The Conditions of Existence as affecting the Perpetua- tion of Living Beings . VI . A Critical Examination of the Position of Mr ...
8 페이지
... living world . There are many ways of doing this . I might deal with it pictorially and graphically . Following the example of Humboldt in his " Aspects of Nature , " I might endeavour to point out the infinite variety of organic life ...
... living world . There are many ways of doing this . I might deal with it pictorially and graphically . Following the example of Humboldt in his " Aspects of Nature , " I might endeavour to point out the infinite variety of organic life ...
9 페이지
... living beings in general lay before us ; and I shall then show you that the same problems are laid open to us by all kinds of living beings . But , first , let me say in what sense I have used the words " organic nature . " In speaking ...
... living beings in general lay before us ; and I shall then show you that the same problems are laid open to us by all kinds of living beings . But , first , let me say in what sense I have used the words " organic nature . " In speaking ...
13 페이지
... living , working machine . Hitherto we have , as it were , been looking at a steam - engine with the fires out , and nothing in the boiler ; but the body of the living animal is a beautifully - formed active machine , and every part has ...
... living , working machine . Hitherto we have , as it were , been looking at a steam - engine with the fires out , and nothing in the boiler ; but the body of the living animal is a beautifully - formed active machine , and every part has ...
16 페이지
... living beings , in the form of organic matters , are constantly replaced by supplies of the necessary repairing and rebuilding materials drawn from the plants , which in their turn manufacture them , so to speak , by a mysterious com ...
... living beings , in the form of organic matters , are constantly replaced by supplies of the necessary repairing and rebuilding materials drawn from the plants , which in their turn manufacture them , so to speak , by a mysterious com ...
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animalcules animals apples asexual Atavism beak birds body bones called carbonic carbonic acid causes character Cloth common conclusion condition of organic conditions of existence constantly course crustacean Darwin's hypothesis deposited developed diagram domesticated pigeons earth endeavour enormous evidence experiments extinct fact field mice fingers and five forms gun-cotton hard and green Hinny Horse Illustrations infusion inorganic world kind Lake of Killarney larvæ layer lecture legs living male means modification muscles natural selection naturalists notice observed offspring organic matter organic nature Origin of Species particles peculiarities perfectly perpetuation phenomena of organic physiological pigeons Porpoise Pouter present primitive stock primitive type produce question races record reproduce result Rock Pigeon rocks seeds selective breeding sheep skeleton sort spontaneous structure substance suppose surface tendency tion toes variation varieties vary vegetable whole wild
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59 페이지 - ... where a large number of apples are grown, that they have observed the same thing. It is also found to be the case in Normandy, and in North America. In short, I find it to be the universal experience of mankind wherever attention has been directed to the subject.
61 페이지 - ... and perhaps, in addition to that, you notice the impress of a hob-nailed shoe on the gravel outside. All these phenomena have struck your attention instantly, and before two seconds have passed you say, " Oh, somebody has broken open the window, entered the room, and run off with the spoons and the tea-pot ! " That speech is out of your mouth in a moment.
57 페이지 - There is a well-known incident in one of Moliere's plays where the author makes the hero express unbounded delight on being told that he had been talking prose during the whole of his life. In the same way I trust that you will take comfort and be delighted with yourselves on the discovery that you have been acting on the principles of inductive and deductive philosophy during the same period.
58 페이지 - True, it is a very small basis, but still it is enough to make an induction from; you generalise the facts, and you expect to find sourness in apples where you get hardness and greenness. You found upon that a general law that all hard and green apples are sour; and that, so far as it goes, is a perfect induction. Well, having got your natural law in...
56 페이지 - The method of scientific investigation is nothing but the expression of the necessary mode of working of the human mind.
57 페이지 - ... all these terrible apparatus are being used by yourselves every day and every hour of your lives. There is a well-known incident in one of Moliere's plays, where the author makes the hero express unbounded delight on being told that he had been talking prose during the whole of his life. In the same way, I trust that you will take comfort, and be delighted with yourselves, on the discovery that you have been acting on the principles of...