On the Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life1859 |
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Page v
... genera in any country vary more than the species of the smaller genera - Many of the species of the larger genera resemble varieties in being very closely , but unequally , related to each other , and in having restricted ranges 44-59 ...
... genera in any country vary more than the species of the smaller genera - Many of the species of the larger genera resemble varieties in being very closely , but unequally , related to each other , and in having restricted ranges 44-59 ...
Page 6
... genera are lineal descendants of some other and generally extinct species , in the same manner as the acknowledged varieties of any one species are the descendants of that species . Furthermore , I am con- vinced that Natural Selection ...
... genera are lineal descendants of some other and generally extinct species , in the same manner as the acknowledged varieties of any one species are the descendants of that species . Furthermore , I am con- vinced that Natural Selection ...
Page 15
... genera- tions , the several races , for instance , of the cabbage , in very poor soil ( in which case , however , some effect would have to be attributed to the direct action of the poor soil ) , that they would to a large extent , or ...
... genera- tions , the several races , for instance , of the cabbage , in very poor soil ( in which case , however , some effect would have to be attributed to the direct action of the poor soil ) , that they would to a large extent , or ...
Page 16
... genera which I shall pre- sently give , we have no right to expect often to meet with generic differences in our domesticated productions . When we attempt to estimate the amount of structural difference between the domestic races of ...
... genera which I shall pre- sently give , we have no right to expect often to meet with generic differences in our domesticated productions . When we attempt to estimate the amount of structural difference between the domestic races of ...
Page 26
... genera- - tions , for we know of no fact countenancing the belief that the child ever reverts to some one ancestor , removed by a greater number of generations . In a breed which has been crossed only once with some distinct breed , the ...
... genera- - tions , for we know of no fact countenancing the belief that the child ever reverts to some one ancestor , removed by a greater number of generations . In a breed which has been crossed only once with some distinct breed , the ...
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Common terms and phrases
adapted affinities allied species America amount analogous ancient animals become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo Europe existing exterminated extinct extremely facts favourable Fcap fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites History hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ less living male mammals manner migration modification modified descendants natural selection naturalists nearly nest offspring perfect pigeons plants pollen Post 8vo present principle probably produced progenitor racters ranked reciprocal crosses remarked resemble Second Edition seeds sexual selection Silurian slight South America sterility structure struggle successive suppose theory Third Edition tion variability variation varieties vary Vols whole widely Woodcuts