On the Origin of the Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life |
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Page xii
... point of view , but are unimportant physiologically , not being acted on through natural selection . Causes of Variability corrected . Additions on the instincts of the cuckoo . Additional cases of plants , which can be crossed by a ...
... point of view , but are unimportant physiologically , not being acted on through natural selection . Causes of Variability corrected . Additions on the instincts of the cuckoo . Additional cases of plants , which can be crossed by a ...
Page 2
... point is discussed in this volume on which facts cannot be adduced , often appa- rently leading to conclusions directly opposite to those at which I have arrived . A fair result can be obtained only by fully stating and balancing the ...
... point is discussed in this volume on which facts cannot be adduced , often appa- rently leading to conclusions directly opposite to those at which I have arrived . A fair result can be obtained only by fully stating and balancing the ...
Page 7
... points which strikes us is , that they generally differ from each other more than do the individuals of any one species or variety in a state of nature . And if we reflect on the vast diversity of the plants and animals which have been ...
... points which strikes us is , that they generally differ from each other more than do the individuals of any one species or variety in a state of nature . And if we reflect on the vast diversity of the plants and animals which have been ...
Page 13
... points in structure and constitution in which the varieties and sub - varieties differ slightly from each other . The whole organisation seems to have become plastic , and tends to depart in a slight degree from that of the parental ...
... points in structure and constitution in which the varieties and sub - varieties differ slightly from each other . The whole organisation seems to have become plastic , and tends to depart in a slight degree from that of the parental ...
Page 18
... point , if it could be cleared up , would be interesting ; if , for instance , it could be shown that the greyhound , bloodhound , terrier , spaniel , and bull - dog , which we all know propagate their kind so truly , were the offspring ...
... point , if it could be cleared up , would be interesting ; if , for instance , it could be shown that the greyhound , bloodhound , terrier , spaniel , and bull - dog , which we all know propagate their kind so truly , were the offspring ...
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Common terms and phrases
accumulated adapted affinities allied species America ancient appear Asa Gray become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt Edition eggs embryo existing exterminated extinct extremely facts favourable females fertilised fertility flowers formation forms fossil Fritz Müller Gärtner genera genus geological Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate larvæ less living males mammals manner migration modified descendants natural selection naturalists nearly nest occur oceanic islands offspring organisation parent perfect pigeons pistil pollen Post 8vo present principle probably produced progenitor racters ranked reciprocal crosses remarked resemble seeds sexual sexual selection Silurian slight South America stamens sterility structure struggle successive suppose theory tion variability variations varieties vary vols whole widely