The Problem of Human Life: Embracing the "evolution of Sound" and "evolution Evolved," with a Review of the Six Great Modern Scientists, Darwin, Huxley, Tyndall, Haeckel, Helmholtz, and MayerHall, 1877 - 512 páginas |
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Página v
... Theory of Astronomy , or as little to be doubted as the law of gravitation , namely , the Wave- Theory of Sound , out of which has been developed the Undulatory Theory of Light and the more recently constructed theory of Heat as a Mode ...
... Theory of Astronomy , or as little to be doubted as the law of gravitation , namely , the Wave- Theory of Sound , out of which has been developed the Undulatory Theory of Light and the more recently constructed theory of Heat as a Mode ...
Página 11
... theory of Sound assailed , in order to weaken the force of scientific authority . Many considerations urged against the received view . Objections in its favor answered , and various phenomena explained in opposition , such as Resonance ...
... theory of Sound assailed , in order to weaken the force of scientific authority . Many considerations urged against the received view . Objections in its favor answered , and various phenomena explained in opposition , such as Resonance ...
Página 19
... theory of natural selection and survival of the fittest ; and that there are such difficulties , and scores of them , ab- solutely insurmountable , will abundantly appear as this argument proceeds . While upon this point , as no better ...
... theory of natural selection and survival of the fittest ; and that there are such difficulties , and scores of them , ab- solutely insurmountable , will abundantly appear as this argument proceeds . While upon this point , as no better ...
Página 20
... theory of evolution . I hold a theory of evolution , but not the theory . What do I mean by the theory of evolution ? Precisely what Huxley means when he says , in so many words , that if the theory of evolution is true , the living ...
... theory of evolution . I hold a theory of evolution , but not the theory . What do I mean by the theory of evolution ? Precisely what Huxley means when he says , in so many words , that if the theory of evolution is true , the living ...
Página 55
... theories of insanity , and comprehension of the principles of sci- if you reject them , how would you account ence and truths of philosophy involved . on your theory for insanity ? In the first place , there is either an invisi- Fifth ...
... theories of insanity , and comprehension of the principles of sci- if you reject them , how would you account ence and truths of philosophy involved . on your theory for insanity ? In the first place , there is either an invisi- Fifth ...
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Términos y frases comunes
absolutely absurdity admit air-particles air-waves amplitude animals argument atmosphere atoms cause compressed condensations and rarefactions constituting corporeal corpuscles Darwin demonstrated distance drum-skin embryo entirely evidence evolution evolutionists exactly existence explain fact feet a second force fork gemmules Haeckel heat Hence Huxley hypothesis inches intelligent intelligent design iron Joseph Cook logical marsupial mechanical ment mind monera moneron natural selection necessarily organism Origin of Species orohippus oscillation over-tones ovule pangenesis pantheism particles phenomena philosophical physical physicists pitch produced Prof Professor Helmholtz Professor Tyndall prong proof prove pulses rarefactions reader reason result scientific single siren sonorous soul sound-pulse sound-waves species spontaneous stridulation string structure substance substantial supposed sympathetic vibration teaches theory of descent thing tion tone transmutation true truth tube tuning-fork tympanic membrane undulatory unison velocity of sound vital and mental water-waves wave-length wave-motion wave-theory of sound waves
Pasajes populares
Página 450 - If such do occur, can we doubt (remembering that many more individuals are born than can possibly survive) that individuals having any advantage, however slight, over others, would have the best chance of surviving and of procreating their kind?
Página 450 - Several writers have misapprehended or objected to the term Natural Selection. Some have even imagined that natural selection induces variability, whereas it implies only the preservation of such variations as arise and are beneficial to the being under its conditions of life.
Página 394 - What limit can be put to this power, acting during long ages and rigidly scrutinising the whole constitution, structure, and habits of each creature, — favouring the good and rejecting the bad? I can see no limit to this power, in slowly and beautifully adapting each form to the most complex relations of life.
Página 443 - And as Natural Selection works solely by and for the good of each being, all corporeal and mental endowments will tend to progress towards perfection.
Página 258 - ... would have broken the glass ; had he been close to a drum-head he would have shaken the drum. We could thus transmit a push through a row of a hundred boys, each particular boy, however, only swaying to and fro. Thus, also, we send sound through the air and shake the drum of a distant ear, while each particular particle of the air concerned in the transmission of the pulse makes only a small oscillation.
Página 445 - Natural selection acts only by the preservation and accumulation of small inherited modifications, each profitable to the preserved being...
Página 29 - That gravity should be innate, inherent and essential to matter so that one body may act upon another at a distance through a vacuum, without the mediation of anything else, by and through which their action and force may be conveyed from one to another is to me so great an absurdity that I believe no man who has in philosophical matters a competent faculty of thinking can ever fall into...
Página 508 - If it could be proved that any part of the structure of any one species had been formed for the exclusive good of another species, it would annihilate my theory, for such could not have been produced through natural selection.
Página 394 - Let this process go on for millions of years; and during each year on millions of individuals of many kinds; and may we not believe that a living optical instrument might thus be formed as superior to one of glass, as the works of the Creator are to those of man ? Modes of Transition.
Página 254 - The same air is competent to accept and transmit the vibrations of a thousand instruments at the same time. When we try to visualise the motion of that air — to present to the eye of the mind the battling of the pulses direct and reverberated — the imagination retires baffled from the attempt.