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" On my return home, it occurred to me — in 1837 — that something might perhaps be made out on this question by patiently accumulating and reflecting on all sorts of facts which could possibly have any bearing on it. After five years' work I allowed... "
A Primer of Darwinism and Organic Evolution - Page 229
by Joseph Young Bergen, Fanny Dickerson Bergen - 1890 - 261 pages
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National Review, Volume 10

Great Britain - 1860
...years' work, he allowed himself to speculate on the subject, and drew up some short notes ; these he enlarged in 1844 into a sketch of the. conclusions which then seemed to him probable ; and from that time to the present he has steadily pursued the same. object, with the...
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The National Review, Volume 10

Richard Holt Hutton, Walter Bagehot - 1860
...years' work, he allowed himself to speculate on the subject, and drew up some short notes; these he enlarged in 1844 into a sketch of the conclusions which then seemed to him probable ; and from that time to the present he has steadily pursued the same object, with the...
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - Evolution - 1861 - 440 pages
...allowed myself to speculate on the subject, and drew up some short notes ; these I enlarged in 1844 iuto a sketch of the conclusions, which then seemed to me probable : from that period to the present day I have steadily pursued the same object. I hope that I may be excused for entering on these personal...
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

Charles Darwin - Evolution - 1864 - 440 pages
...of species — that mystery of mysteries, as it has been called by one of our greatest philosophers. On my return home, it occurred to me, in 1837, that...me probable : from that period to the present day I have steadily pursued the same object. I hope that I may be excused for entering on these personal...
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The Fortnightly Review, Volume 4; Volume 6

England - 1866 - 28 pages
...of species—that mystery of mysteries, as it has been called by one of our greatest philosophers. On my return home, it occurred to me, in 1837, that...me probable : from that period to the present day I have steadily pursued the same object. I hope that I may be excused for entering on these personal...
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Nature, Volume 23

Sir Norman Lockyer - Electronic journals - 1881
...which could possibly have any bearing on it. After five years' work I allowed myself to speculate upon the subject, and drew up some short notes ; these...me probable ; from that period to the present day I have steadily pursued the same object. I hope that I may be ' See Zoalfgist for November, 1860. excused...
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On the Origin of Species by Means of Natural Selection: Or The Preservation ...

Charles Darwin - Evolution (Biology) - 1870 - 440 pages
...have any bearing on it. After five years' work I allowed myself to speculate on the subject, and dre<r up some short notes ; these I enlarged in 1844 into...me probable : from that period to the present day I have steadily pursued the same object. I hope that I may be excused for entering on these personal...
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The English Constitution

Walter Bagehot - Constitutional history - 1872 - 291 pages
...of species — that mystery of mysteries, as it has been called by one of our greatest philosophers. On my return home, it occurred to me, in 1837, that...me probable : from that period to the present day I have steadily pursued the same object. I hope that I may be excused for entering on these personal...
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The Origin of Species by Means of Natural Selection: Or, The Preservation of ...

Charles Darwin - Evolution - 1873 - 458 pages
...reflecting on nil sorts of facts which could possibly have any bearing on it. Afier five years' work 1 allowed myself to speculate on the subject, and drew...me probable : from that period to the present day I have steadily pursued the same object. I hope that I may be excused for entering on these personal...
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On the origin of species by means of natural selection ; or, The ...

Charles Darwin - 1875 - 458 pages
...to speculate on the subject, and drew up some short notes ; these I enlarged in 1844 into a sketeh of the conclusions, which then seemed to me probable : from that period to the present day I have steadily pursued the same object. I hope that I may bo excused for entering on these personal...
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