The Foundations of ZoölogyMacmillan, 1899 - 339 páginas 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. |
Outras edições - Ver tudo
Palavras e frases frequentes
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 coördinated 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
Passagens conhecidas
Página 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...
Página 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.
Página 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.
Página 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.
Página 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.
Página 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.
Página 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?
Página 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.