Evolution, Old and New: Or, the Theories of Buffon, Dr. Erasmus Darwin, and Lamarck, as Compared with that of Mr. Charles DarwinHardwicke and Bogue, 1879 - 384 páginas |
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Página 30
... birds , of fishes , and of plants ? " Our answer is simple enough ; it is that we can and do point to a living tangible person with flesh , blood , eyes , nose , ears , organs , senses , dimensions , who did of his own cunning after ...
... birds , of fishes , and of plants ? " Our answer is simple enough ; it is that we can and do point to a living tangible person with flesh , blood , eyes , nose , ears , organs , senses , dimensions , who did of his own cunning after ...
Página 48
... bird whose toes were not webbed , but who had under force of circumstances little by little in the course of many ... bird did not probably conceive the idea of swimming on the water and set itself to learn to do so , and then conceive ...
... bird whose toes were not webbed , but who had under force of circumstances little by little in the course of many ... bird did not probably conceive the idea of swimming on the water and set itself to learn to do so , and then conceive ...
Página 49
... bird found itself in some small difficulty , out of which it either saw , or at any rate found that it could ex- tricate itself by striking out vigorously with its feet and extending its toes as far as ever it could ; it thus began to ...
... bird found itself in some small difficulty , out of which it either saw , or at any rate found that it could ex- tricate itself by striking out vigorously with its feet and extending its toes as far as ever it could ; it thus began to ...
Página 51
... bird learns to swim without having any purpose of learning to swim before it set itself to make those movements which have resulted in its being able to do so . At the same time I maintain that it has only learned to swim by trying to ...
... bird learns to swim without having any purpose of learning to swim before it set itself to make those movements which have resulted in its being able to do so . At the same time I maintain that it has only learned to swim by trying to ...
Página 52
... bird's first attempt to scramble over a short space of deep water , would at once declare that the bird was trying to swim - if not actually swimming . Provided then that there is a very little perception of , and pre- science ...
... bird's first attempt to scramble over a short space of deep water , would at once declare that the bird was trying to swim - if not actually swimming . Provided then that there is a very little perception of , and pre- science ...
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Evolution, Old and New: Or the Theories of Buffon, Dr. Erasmus Darwin, and ... Butler Vista completa - 1879 |
Términos y frases comunes
action admit animals animals and plants appear become beetles birds body brain breeds Buffon called cause changes chapter Charles Darwin climate common consequence continues creature descent with modification disuse doctrine domestication effect Erasmus Darwin evolution existence eyes fact feel fittest G. H. Lewes Geoffroy St gradually habits hence Hilaire Hist horse Ibid idea individual insects insisted instinct Isidore Geoffroy kind Lamarck less living filament manner matter means of modification mind mutability of species natural selection Natural Theology naturalists nerves observe offspring opinion organ Origin of Species parents passage perception perfect Phil Philosophie Zoologique present produced Professor Haeckel purpose quadrupeds race reader reason resemblance rudimentary sensation sense structure suppose survival teleology theory of descent things tion variations varieties vary vegetable Vestiges of Creation volume wild wings words writes Zool Zoonomia
Pasajes populares
Página 230 - ... would it be too bold to imagine, that all warm-blooded animals have arisen from one living filament, which THE GREAT FIRST CAUSE endued with animality, with the power of acquiring new parts, attended with new propensities, directed by irritations, sensations, volitions, and associations; and thus possessing the faculty of continuing to improve by its own inherent activity-, and of delivering down those improvements by generation to its posterity, world without end!
Página 248 - The work, from its powerful and brilliant style, though displaying in the earlier editions little accurate knowledge and a great want of scientific caution, immediately had a very wide circulation. In my opinion it has done excellent service in this country in calling attention to the subject, in removing prejudice, and in thus preparing the ground for the reception of analogous views.
Página 364 - In the literal sense of the word, no doubt, Natural Selection is a false term; but who ever objected to chemists speaking of the elective affinities of the various elements ? — and yet an acid cannot strictly be said to elect the base with which it in preference combines.
Página 12 - ... the absurdity of this answer. But suppose 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 375 - ... the wingless condition of so many Madeira beetles is mainly due to the action of natural selection, combined probably with disuse. For during many successive generations each individual beetle which flew least, either from its wings having been ever so little less perfectly developed or from indolent habit, will have had the best chance of surviving from not being blown out to sea...
Página iv - THE FAIR HAVEN. A Work in Defence of the Miraculous Element in our Lord's Ministry. Cr. 8vo. , 7*. 6d. LIFE AND HABIT. An Essay after a Completer View of Evolution. Cr. 8vo., 7s. 6d EVOLUTION, OLD AND NEW.
Página 321 - ... of climate, whose figure is best accommodated to health, strength, defence, and support; whose capacities and instincts can best regulate the physical energies to self-advantage according to circumstances — in such immense waste of primary and youthful life, those only come forward to maturity from the strict ordeal by which Nature tests their adaptation to her standard of perfection and fitness to continue their kind by reproduction.
Página 347 - Natural selection acts only by the preservation and accumulation of small inherited modifications, each profitable to the preserved being...
Página 13 - ... different size from what they are, or placed after any other manner, or in any other order, than that in which they are placed, either no motion at all would have been carried on in the machine, or none which would have answered the use that is now served by it. To reckon up a few of the plainest of these parts, and of their offices, all tending to one result : — We see a cylindrical box containing a coiled elastic spring, which, by its endeavour to relax itself, turns round the box.