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 viii
... single species - On Extinction · On simultaneous changes in the forms of life throughout the world - On the affinities of extinct species to each other and to living species - On the state of development of ancient forms- On the ...
... single species - On Extinction · On simultaneous changes in the forms of life throughout the world - On the affinities of extinct species to each other and to living species - On the state of development of ancient forms- On the ...
Page xiv
... single species of each genus were created in an originally highly plastic condition , and that these have produced , chiefly by intercrossing , but likewise by variation , all our existing species . In 1826 , Professor Grant , in the ...
... single species of each genus were created in an originally highly plastic condition , and that these have produced , chiefly by intercrossing , but likewise by variation , all our existing species . In 1826 , Professor Grant , in the ...
Page 2
... single point is discussed in this volume on which facts cannot be adduced , often apparently leading to conclusions directly opposite to those at which I have arrived . A fair result can be obtained only by fully stating and balancing ...
... single point is discussed in this volume on which facts cannot be adduced , often apparently leading to conclusions directly opposite to those at which I have arrived . A fair result can be obtained only by fully stating and balancing ...
Page 9
... could easily be given of " sporting plants ; by this term gardeners mean a single bud or offset , which suddenly assumes a new and sometimes very different character from that of the rest of the plant в 3 CHAP . I. 9 UNDER DOMESTICATION .
... could easily be given of " sporting plants ; by this term gardeners mean a single bud or offset , which suddenly assumes a new and sometimes very different character from that of the rest of the plant в 3 CHAP . I. 9 UNDER DOMESTICATION .
Page 11
... single domestic animal can be named which has not in some country drooping ears ; and the view sug- gested by some authors , that the drooping is due to the disuse of the muscles of the ear , from the animals not being much alarmed by ...
... single domestic animal can be named which has not in some country drooping ears ; and the view sug- gested by some authors , that the drooping is due to the disuse of the muscles of the ear , from the animals not being much alarmed by ...
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Common terms and phrases
accumulated adapted affinities allied species America amount analogous ancient animals appear Asa Gray become bees believe birds breeds cause cells characters cirripedes climate closely allied colour continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo Europe existing exterminated extinct extremely facts favourable fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ laws less living male mammals manner Marsupials migration modification modified descendants mongrels natural selection naturalists nearly nest occasionally offspring organisation origin of species perfect pigeons plants pollen present principle probably produced progenitor racter ranked reciprocal crosses remarked resemble rudimentary organs seeds Silurian slight South America sterility structure struggle successive supposed tend theory tion variability variations varieties vary whole widely