 | 1861 - 1148 頁
...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 頁
...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... | |
 | Crosthwaite and co - 1860 - 622 頁
...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...Character and the Extinction of less improved forms." From this recapitulatory chapter, we shall make but two more sets of extracts, — the one relating... | |
 | Charles Darwin - 1861 - 470 頁
...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... | |
 | Charles Darwin - 1864 - 472 頁
...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... | |
 | Henry A. DuBois - 1866 - 112 頁
...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,...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 or more monads, pressed... | |
 | 1867 - 510 頁
...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 頁
...vigorous operation ; " Growth, with Re-production ;" " Variability ;" and especially his main law, "a Ratio of Increase so high as to lead to a Struggle...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 or more monads, pressed... | |
 | Charles Darwin - 1870 - 468 頁
...the indirect and direct action of the external conditions of life, and from use and disuse ; a Katio of Increase so high as to lead to a Struggle for Life,...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... | |
 | James Samuelson - 1871 - 252 頁
...Eeproduction ; Inheritance, which is almost implied by reproduction ; Variability from the indirect and direct conditions of life, and from use and disuse ; a ratio...Selection,' entailing divergence of character and extinction of lessimproved forms."J These views have not only been arrived at from the observation... | |
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Variability from the indirect and direct action of the conditions of life, and from use and disuse: a Ratio of Increase so high as to lead to a Struggle for Life, and as a consequence to Natural Selection, entailing Divergence of Character and the Extinction... 
