The Foundations of ZoölogyMacmillan, 1899 - Всего страниц: 339 Presents a series of lectures from the 1800's which show that life is a response to the order of nature. Includes lectures on nature and nurture, migration, zoology, and the philosophy of evolution. |
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Стр. 9
... animals and of man do not take place in the absence of certain normal physiological stimuli . Male mammals , for example , do not attain bodily perfection until the approach of sexual maturity . In man the beard begins to grow at what ...
... animals and of man do not take place in the absence of certain normal physiological stimuli . Male mammals , for example , do not attain bodily perfection until the approach of sexual maturity . In man the beard begins to grow at what ...
Стр. 14
... animals admit that training can do no more for them than to make the best of their natural capa- city , for they differ greatly in power to profit by experience ; and the nature of each species sets impassable bounds to the power of ...
... animals admit that training can do no more for them than to make the best of their natural capa- city , for they differ greatly in power to profit by experience ; and the nature of each species sets impassable bounds to the power of ...
Стр. 15
... animal . We must also remember that even if we prove that individual animals acquire , by contact with the ex- ternal world , nothing but what their nature provides for , this does not show that they are compelled to make of ...
... animal . We must also remember that even if we prove that individual animals acquire , by contact with the ex- ternal world , nothing but what their nature provides for , this does not show that they are compelled to make of ...
Стр. 16
... animals fight with one another , when they associate for a common purpose , when they warn one another in danger , when they come to the rescue of one another , when they display pain or joy , they manifest impulses of the same kind as ...
... animals fight with one another , when they associate for a common purpose , when they warn one another in danger , when they come to the rescue of one another , when they display pain or joy , they manifest impulses of the same kind as ...
Стр. 17
... animals , can feel prepared , in the present stage of our knowledge , to trace the limit where this community of nature ceases ? " As for myself , I try to treat all living things , plants as well as animals , as if they may have some ...
... animals , can feel prepared , in the present stage of our knowledge , to trace the limit where this community of nature ceases ? " As for myself , I try to treat all living things , plants as well as animals , as if they may have some ...
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Часто встречающиеся слова и выражения
actions adaptive adjustment admit Agassiz ancestors animals argument Aristotle artificial selection assertion believe beneficial Berkeley birds body bottom breeding Cambrian causation cause changes chick confidence conscious contrivance crustacea Darwin deaf discover doubt echinoderms effect eggs embryology essay evidence expect experience explanation external world fact fauna fitness Galton hold human Huxley individuals influence inheritance instinct Lamarck Lamarckian language larvæ LECTURE living things matter mean mechanical migration mind modern mutability of species natural knowledge natural selection natural theology naturalists necessary nurture ocean opinion order of nature orderly organic origin of species Paley parents pelagic phenomena physical basis plants principles proof properties protoplasm Protozoa prove question reason response says scientific seed seems sense siphonophore stimulus structure struggle for existence suppose teleology tells thought tion truth whole words zoea zoologist zoology
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Стр. 309 - ... the passage from the current to the needle, if not demonstrable, is thinkable, and that we entertain no doubt as to the final mechanical solution of the problem. But the passage from the physics of the brain to the corresponding facts of consciousness is unthinkable. Granted that a definite thought, and a definite molecular action in the brain occur simultaneously ; we do not possess the intellectual organ, nor apparently any rudiment of the organ, which would enable us to pass, by a process...
Стр. 40 - If the properties of water may be properly said to result from the nature and disposition of its component molecules, I can find no intelligible ground for refusing to say that the properties of protoplasm result from the nature and disposition of its molecules.
Стр. 108 - But where to find that happiest spot below, Who can direct, when all pretend to know ? The shuddering tenant of the frigid zone Boldly proclaims that happiest spot his own; Extols the treasures of his stormy seas, And his long nights of revelry and ease.
Стр. 339 - I had found a watch upon the ground, and it should be inquired how the watch happened to be in that place, I should hardly think of the answer which I had before given, that for any thing I knew the watch might have always been there.
Стр. 217 - Consequently, if the theory be true, it is indisputable that before the lowest Cambrian stratum was deposited long periods elapsed, as long as, or probably far longer than, the whole interval from the Cambrian age to the present day ; and that during these vast periods the world swarmed with living creatures.
Стр. 63 - I CANNOT call Riches better than the baggage of virtue. The Roman word is better, im-pedimenta. For as the baggage is to an army, so is riches to virtue. It cannot be spared nor left behind, but it hindereth the march; yea and the care of it sometimes loseth or disturbeth the victory.
Стр. 296 - But when, as commonly happens, we change will into must, we introduce an idea of necessity which most assuredly does not lie in the observed facts, and has no warranty that I can discover elsewhere. For my part, I utterly repudiate and anathematise the intruder. Fact I know; and Law I know; but what is this Necessity save an empty shadow of my own mind's throwing?
Стр. 296 - Simply that in all human experience, stones have fallen to the ground under these conditions; that we have not the smallest reason for believing that any stone so circumstanced will not fall to the ground ; and that we have on the contrary every reason to believe that it will so fall.