Charles Darwin: His Life Told in an Autobiographical Chapter and in a Selected Series of His Published LettersD. Appleton, 1892 - 365 من الصفحات |
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الصفحة 27
... coral islands , and making out the geological structure of certain islands , for instance , St. Helena . Nor must I ... corals , which it has baked into a hard white rock . Since then the whole island has been upheaved . But the ...
... coral islands , and making out the geological structure of certain islands , for instance , St. Helena . Nor must I ... corals , which it has baked into a hard white rock . Since then the whole island has been upheaved . But the ...
الصفحة 29
... coral islands , and making out the geological structure of certain islands , for instance , St. Helena . Nor must I ... corals , which it has baked into a hard white rock . Since then the whole island has been upheaved . But the ...
... coral islands , and making out the geological structure of certain islands , for instance , St. Helena . Nor must I ... corals , which it has baked into a hard white rock . Since then the whole island has been upheaved . But the ...
الصفحة 31
... coral reefs . This encouraged me greatly , and his advice and example had much influence on During this time I saw also a good deal of Robert Brown I used often to call and sit with him during his breakfast on Sunday mornings , and he ...
... coral reefs . This encouraged me greatly , and his advice and example had much influence on During this time I saw also a good deal of Robert Brown I used often to call and sit with him during his breakfast on Sunday mornings , and he ...
الصفحة 32
... Coral Reefs , which I had begun before my marriage , and of which the last proof - sheet was corrected on May 6th , 1842. This book , though a small one , cost me twenty months of hard work , as I had to read every work on the islands ...
... Coral Reefs , which I had begun before my marriage , and of which the last proof - sheet was corrected on May 6th , 1842. This book , though a small one , cost me twenty months of hard work , as I had to read every work on the islands ...
الصفحة 33
... coral - reefs , which differed from his , and I was greatly surprised and encouraged by the vivid interest which he showed . His delight in science was ardent , and he felt the keenest interest in the future progress of mankind . He was ...
... coral - reefs , which differed from his , and I was greatly surprised and encouraged by the vivid interest which he showed . His delight in science was ardent , and he felt the keenest interest in the future progress of mankind . He was ...
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A. R. Wallace abstract admirable afterwards animals answer April Asa Gray asked Athenæum Barmouth Beagle believe C. D. to J. D. Cambridge Captain Fitz-Roy chapter Charles Darwin Christ's College copies Coral curious DEAR delight doubt edition Erasmus Darwin essay Evolution expressed facts feel felt fertilisation flowers Fritz Müller gave geological give glad hear heard Henslow honour hope Huxley Ilkley insects interest Josiah Wedgwood Journal kind letter Linnean living London look Lyell manner mind Murray Natural History natural selection naturalist never observations Orchids Origin of Species Pangenesis paper plants pleasant pleasure pollen Professor publication published Recollections remarkable remember scientific seems Shrewsbury Sir J. D. Hooker sketch Society T. H. Huxley tell thank theory thing thought tion views voyage Wallace whole wish words write written wrote to Sir
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الصفحة 49 - My mind seems to have become a kind of machine for grinding general laws out of large collections of facts; but why this should have caused the atrophy of that part of the brain alone, on which the higher tastes depend, I cannot conceive.
الصفحة 38 - I happened to read for amusement ' Malthus on Population,' and being well prepared to appreciate the struggle for existence which everywhere goes on from long-continued observation of the habits of animals and plants, it at once struck me that under these circumstances favourable variations would tend to be preserved, and unfavourable ones to be destroyed. The result of this would be the formation of new species. Here then I had at last got a theory by which to work...
الصفحة 49 - I suppose, have thus suffered; and if I had to live my life again, I would have made a rule to read some poetry and listen to some music at least once every week; for perhaps the parts of my brain now atrophied would thus have been kept active through use. The loss of these tastes is a loss of happiness, and may possibly be injurious to the intellect, and more probably to the moral character, by enfeebling the emotional part of our nature.
الصفحة 171 - At last gleams of light have come, and I am almost convinced (quite contrary to the opinion I started with) that species are not (it is like confessing a murder) immutable. Heaven forfend me from Lamarck nonsense of a " tendency to progression," " adaptations from the slow willing of animals,
الصفحة 274 - ... that I attribute the modification of species exclusively to natural selection, I may be permitted to remark that in the first edition of this work, and subsequently, I placed in a most conspicuous position — namely, at the close of the Introduction — the following words : " I am convinced that natural selection has been the main but not the exclusive means of modification.
الصفحة 8 - Nothing could have been worse for the development of my mind than Dr. Butler's school, as it was strictly classical, nothing else being taught, except a little ancient geography and history. The school as a means of education to me was simply a blank. During my whole life I have been singularly incapable of mastering any language. Especial attention was paid to versemaking, and this I could never do well. I had many friends, and got together a good collection of old verses, which by patching together,...
الصفحة 232 - I feel most deeply that the whole subject is too profound for the human intellect. A dog might as well speculate on the mind of Newton. Let each man hope and believe what he can.
الصفحة 20 - But no pursuit at Cambridge was followed with nearly so much eagerness or gave me so much pleasure as collecting beetles. It was the mere passion for collecting, for I did not dissect them, and rarely compared their external characters with published descriptions, but got them named anyhow. I will give a proof of my zeal : one day, on tearing off some old bark, I saw two rare...
الصفحة 212 - The only objections that have occurred to me arc, 1st that you have loaded yourself with an unnecessary difficulty in adopting Natura non facit saltum so unreservedly. . . . And 2nd, it is not clear to me why, if continual physical conditions are of so little moment as you suppose, variation should occur at all. However, I must read the book two or three times more before I presume to begin picking holes. I trust you will not allow...
الصفحة 167 - It has sometimes been said that the success of the Origin proved "that the subject was in the air," or "that men's minds were prepared for it." I do not think that this is strictly true, for I occasionally sounded not a few naturalists, and never happened to come across a single one who seemed to doubt about the permanence of species.