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" These laws, taken in the largest sense, being growth with reproduction; inheritance which is almost implied by reproduction; variability from the indirect and direct action of the conditions of life, and from use and disuse; a ratio of increase so high... "
Bericht über die fortschritte der anatomie und physiologie ... 1856-71 - Page 129
1860
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The New Englander, Volumes 19-20

Criticism - 1861 - 1148 pages
...he defines comprehensively as laws of Growth with Reproduction, Inheritance, and Variability, with a Ratio of Increase so high as to lead to a Struggle...for Life, and as a consequence to Natural Selection. "It is interesting to contemplate an entangled " Edward Everett, at the inauguration of Mr. Webster's...
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Crosthwaite's Register of facts and occurrences relating to literature, the ...

Crosthwaite and co - 1860 - 622 pages
...reproduction; Variability from the indirect and direct action of the external conditions of life, and from use and disuse ; a Ratio of Increase so high as to...Natural Selection, entailing Divergence of Character and the Extinction of less improved forms." From this recapitulatory chapter, we shall make but two more...
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Life on the Earth: Its Origin and Succession

John Phillips - Life - 1860 - 262 pages
...reproduction; variability from the indirect and direct action of the external conditions of life, and from use and disuse; a ratio of increase so high as to...selection, entailing divergence of character, and the extinction of less improved forms. Thus, from the war of nature, from famine and death, the most...
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - Evolution - 1861 - 470 pages
...reproduction ; Variability from the indirect and direct action of the external conditions of life, and from use and disuse ; a Ratio of Increase so high as to...Natural Selection, entailing Divergence of Character and the Extinction of less-improved forms. Thus, from the war of nature, from famine and death, the most...
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The past and present life of the globe, a sketch of the world's life-system

David Page - 1861 - 278 pages
...reproduction ; variability from the indirect and direct action of the external conditions of life, and from use and disuse ; a ratio of increase so high as to...natural selection, entailing divergence of character and the extinction of less improved forms. Thus, from the war of nature, from famine and death, the most...
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The Past and Present Life of the Globe: Being a Sketch in Outline of the ...

David Page - Paleontology - 1861 - 276 pages
...reproduction ; variability from the indirect and direct action of the external conditions of life, and from use and disuse ; a ratio of increase so high as to...natural selection, entailing divergence of character and the extinction of less improved forms. Thus, from the war of nature, from famine and death, the most...
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

Charles Darwin - Evolution - 1864 - 472 pages
...reproduction ; Variability from the indirect and direct action of the external conditions of life, and from use and disuse ; a Ratio of Increase so high as to...Natural Selection, entailing Divergence of Character and the Extinction of less-improved forms. Thus, from the war of nature, from famine and death, the most...
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Analysis of Darwin, Huxley and Lyell, Being a Critical Examination of the ...

Henry A. DuBois - Human beings - 1866 - 112 pages
...operation ; " Growth, with Ke-production ;" " Variability ;" and especially his main law, " a Eatio of Increase so high as to lead to a Struggle for Life,...Selection, entailing Divergence of character, and the Extinction of less improved forms." We are ready to admit, that in this state of things, at an...
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Journal of the Transactions of the Victoria Institute, Or ..., Volume 2

Religion and science - 1867 - 510 pages
...the indirect and direct action of the external conditions of life and from use and disuse ; and 4th, a ratio of increase so high as to lead to a struggle for life." Now No. 3, you will observe, is in antithesis to Nos. 1 and 2. Variability, and not reproduction or...
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The American Quarterly Church Review and Ecclesiastical Register, Volume 17

1866 - 694 pages
...vigorous operation ; " Growth, with Re-production ;" " Variability ;" and especially his main law, "a Ratio of Increase so high as to lead to a Struggle...Selection, entailing Divergence of character, and the Extinction of less improved forms." We are ready to admit, that in this state of things, at an...
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