The Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for LifeD. Appleton, 1904 - 435 páginas |
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Página vi
... Extinction caused by Natural Se- lection - Divergence of Character , related to the diversity of inhabitants of any small area , and to naturalisation - Action of Natural Selection , through Divergence of Character and Extinction , on ...
... Extinction caused by Natural Se- lection - Divergence of Character , related to the diversity of inhabitants of any small area , and to naturalisation - Action of Natural Selection , through Divergence of Character and Extinction , on ...
Página xi
... Extinct forms serving to connect existing groups . On earth adhering to the feet of migratory birds . On the wide geographical range of a species of Galaxias , a fresh - water fish . Discussion on analogical resemblances , enlarged and ...
... Extinct forms serving to connect existing groups . On earth adhering to the feet of migratory birds . On the wide geographical range of a species of Galaxias , a fresh - water fish . Discussion on analogical resemblances , enlarged and ...
Página xxiv
... extinct by new creations , but are to be regarded as their descendants through contin- ued reproduction . " A well - known French botanist , M. Lecoq , writes in 1854 ( Etudes sur Géograph . Bot . , ' tom . i . p . 250 ) , " On voit que ...
... extinct by new creations , but are to be regarded as their descendants through contin- ued reproduction . " A well - known French botanist , M. Lecoq , writes in 1854 ( Etudes sur Géograph . Bot . , ' tom . i . p . 250 ) , " On voit que ...
Página 6
... extinct species , in the same manner as the acknowledged varieties of any one species are the de- scendants of that species . Furthermore , I am convinced that Natural Selection has been the most important , but not the exclusive ...
... extinct species , in the same manner as the acknowledged varieties of any one species are the de- scendants of that species . Furthermore , I am convinced that Natural Selection has been the most important , but not the exclusive ...
Página 27
... extinct in the wild state . But birds breeding on precipices , and good fliers , are unlikely to be ex- terminated ; and the commen rock - pigeon , which has the same habits with the domestic breeds , has not been exterminated even on ...
... extinct in the wild state . But birds breeding on precipices , and good fliers , are unlikely to be ex- terminated ; and the commen rock - pigeon , which has the same habits with the domestic breeds , has not been exterminated even on ...
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Términos y frases comunes
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