The Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life |
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Page 28
... whole great family of Columbidæ for a beak like that of the English carrier , or that of the short - faced tumbler , or barb ; for reversed feathers like those of the Jacobin ; for a crop like that of the pouter ; for tail - feathers ...
... whole great family of Columbidæ for a beak like that of the English carrier , or that of the short - faced tumbler , or barb ; for reversed feathers like those of the Jacobin ; for a crop like that of the pouter ; for tail - feathers ...
Page 66
... whole subject , however , treated as it necessarily here is with much brevity , is rather perplexing , and allusions cannot be avoided to the " struggle for existence , " " divergence of character , " and other questions , hereafter to ...
... whole subject , however , treated as it necessarily here is with much brevity , is rather perplexing , and allusions cannot be avoided to the " struggle for existence , " " divergence of character , " and other questions , hereafter to ...
Page 77
... whole economy of nature , with every fact on dis- tribution , rarity , abundance , extinction , and variation , will be dimly seen or quite misunderstood . We behold the face of nature bright with gladness , we often see superabundance ...
... whole economy of nature , with every fact on dis- tribution , rarity , abundance , extinction , and variation , will be dimly seen or quite misunderstood . We behold the face of nature bright with gladness , we often see superabundance ...
Page 79
... whole animal and vegetable kingdoms ; for in this case there can be no artificial increase of food , and no prudential restraint from marriage . Although some species may be now increasing , more or less rapid- ly , in numbers , all ...
... whole animal and vegetable kingdoms ; for in this case there can be no artificial increase of food , and no prudential restraint from marriage . Although some species may be now increasing , more or less rapid- ly , in numbers , all ...
Page 80
... whole islands in a period of less . than ten years . Several of the plants , such as the cardoon and a tall thistle , which are now the com- monest over the whole plains of La Plata , clothing square leagues of surface almost to the ...
... whole islands in a period of less . than ten years . Several of the plants , such as the cardoon and a tall thistle , which are now the com- monest over the whole plains of La Plata , clothing square leagues of surface almost to the ...
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Common terms and phrases
adapted affinities allied species America ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour common continent crossed crustaceans degree developed difficulty distinct species domestic doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ larvæ less living males mammals manner marsupials migration modified descendants natural selection naturalists nearly nest occasionally offspring organisation organs parent peculiar perfect pigeon pistil pollen present principle probably produced progenitor quadrupeds ranked remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive supposed swimbladder tend theory tion trees variability variations varieties vary whilst whole wings young