On the Origin of Species by Means of Natural Selection: Or the Preservation of Favoured Races in the Struggle for Life |
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Page 16
... believe that these latter have had more than one wild parent . With respect to horses , from reasons which I cannot give here , I am doubtfully inclined to believe in opposition to several authors that all the races have descended from ...
... believe that these latter have had more than one wild parent . With respect to horses , from reasons which I cannot give here , I am doubtfully inclined to believe in opposition to several authors that all the races have descended from ...
Page 171
... believe that the webbed feet of the upland goose or of the frigate - bird are of special use to these birds ; we cannot believe that the same bones in the arm of the monkey , in the foreleg of the horse , in the wing of the bat , and in ...
... believe that the webbed feet of the upland goose or of the frigate - bird are of special use to these birds ; we cannot believe that the same bones in the arm of the monkey , in the foreleg of the horse , in the wing of the bat , and in ...
Page 217
... believe in its truth , although it rests on no direct evidence . I believe , for instance , that our dogs have descended from several wild stocks ; yet , with perhaps the exception of certain indigenous domestic dogs of South America ...
... believe in its truth , although it rests on no direct evidence . I believe , for instance , that our dogs have descended from several wild stocks ; yet , with perhaps the exception of certain indigenous domestic dogs of South America ...
Contents
INTRODUCTION | 1 |
STRUGGLE FOR EXISTENCE | 52 |
NATURAL SELECTION | 69 |
Copyright | |
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Common terms and phrases
accumulated adapted affinities allied species amount analogous ancient appear archipelago become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distant distinct species divergence doubt embryo Europe existing exterminated extinct extremely facts favourable fertility flowers formation forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids hybrids produced important increase in number individuals inhabitants inherited insects instance instincts intercrossing land larvæ less living male mammals manner migration modification modified descendants natural selection naturalists nearly nest occasional oceanic islands offspring Origin of Species perfect pigeons plants pollen present principle probably produced progenitor ranked reciprocal crosses remarked resemblance seeds sexual selection Silurian slight sometimes South America sterility structure struggle successive supposed swimbladder tend theory tion trees variability variation vary whole widely