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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... "
On the Origin of Species: By Means of Natural Selection, Or, the ... - Síða 429
eftir Charles Darwin - 1883 - 458 síður
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The New Englander, Bindi 19-20

1861 - 1148 síður
...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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Bericht über die fortschritte der anatomie und physiologie ... 1856-71, Bindi 13

1860 - 694 síður
...reproduction ; variability from the indirect and direct action of the external condition of life , and frotn use and disuse , a ratio of increase so high as to...natural selection, entailing divergence of character and to the extinction of less-improved forms. Thus from the war of nature, from famine and death, the most...
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Bericht über die Fortschritte der Anatomie und Physiologie

1862 - 638 síður
...implied by reproduction ; variability from the indirect and direct action of the external condition of life , and from use and disuse, a ratio of increase so high äs to lead to a struggle for life and äs a consequence to natural selection, entailing divergence...
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Crosthwaite's Register of facts and occurrences relating to literature, the ...

Crosthwaite and co - 1860 - 622 síður
...is almost implied by reproduction; Variability from the indirect and direct action of the external conditions of life, and from use and disuse ; a Ratio...entailing Divergence of Character and the Extinction of less improved forms." From this recapitulatory chapter, we shall make but two more sets of extracts,...
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Life on the Earth: Its Origin and Succession

John Phillips - 1860 - 262 síður
...is almost implied by reproduction; variability from the indirect and direct action of the external conditions of life, and from use and disuse; a ratio...entailing divergence of character, and the extinction of less improved forms. Thus, from the war of nature, from famine and death, the most exalted object which...
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The past and present life of the globe, a sketch of the world's life-system

David Page - 1861 - 278 síður
...is almost implied by reproduction ; variability from the indirect and direct action of the external conditions of life, and from use and disuse ; a ratio...entailing divergence of character and the extinction of less improved forms. Thus, from the war of nature, from famine and death, the most exalted object we...
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The Past and Present Life of the Globe: Being a Sketch in Outline of the ...

David Page - 1861 - 276 síður
...is almost implied by reproduction ; variability from the indirect and direct action of the external conditions of life, and from use and disuse ; a ratio...entailing divergence of character and the extinction of less improved forms. Thus, from the war of nature, from famine and death, the most exalted object we...
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Analysis of Darwin, Huxley and Lyell, Being a Critical Examination of the ...

Henry A. DuBois - 1866 - 112 síður
...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,...entailing Divergence of character, and the Extinction of less improved forms." We are ready to admit, that in this state of things, at an early day, some one...
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Journal of the Transactions of the Victoria Institute, Or ..., Bindi 2

1867 - 510 síður
...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, Bindi 17

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