 | 1861 - 1148 páginas
...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... | |
 | 1860 - 694 páginas
...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... | |
 | 1862 - 638 páginas
...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... | |
 | Crosthwaite and co - 1860 - 622 páginas
...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,... | |
 | John Phillips - 1860 - 262 páginas
...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... | |
 | David Page - 1861 - 278 páginas
...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... | |
 | David Page - 1861 - 276 páginas
...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... | |
 | Henry A. DuBois - 1866 - 112 páginas
...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... | |
 | 1867 - 510 páginas
...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... | |
 | 1866 - 694 páginas
...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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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... 
