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 7
... look to the individuals of the same variety or sub - variety of our older cultivated plants and ani- mals , one of the first points which strikes us , is , that they generally differ more from each other than do the individuals of any ...
... look to the individuals of the same variety or sub - variety of our older cultivated plants and ani- mals , one of the first points which strikes us , is , that they generally differ more from each other than do the individuals of any ...
Page 13
... look at the in- heritance of every character whatever as the rule , and non - inheritance as the anomaly . The laws governing inheritance are quite unknown ; no one can say why a peculiarity in different individuals of the same species ...
... look at the in- heritance of every character whatever as the rule , and non - inheritance as the anomaly . The laws governing inheritance are quite unknown ; no one can say why a peculiarity in different individuals of the same species ...
Page 16
... look to the hereditary varieties or races of our domestic animals and plants , and compare them with closely allied species , we generally perceive in each domestic race , as already remarked , less uniformity of character than in true ...
... look to the hereditary varieties or races of our domestic animals and plants , and compare them with closely allied species , we generally perceive in each domestic race , as already remarked , less uniformity of character than in true ...
Page 25
... look in vain throughout the 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 ...
... look in vain throughout the 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 ...
Page 31
... look further than to mere variability . We cannot suppose that all the breeds were suddenly produced as perfect and as useful as we now see them ; indeed , in several cases , we know that this has not been their history . The key is ...
... look further than to mere variability . We cannot suppose that all the breeds were suddenly produced as perfect and as useful as we now see them ; indeed , in several cases , we know that this has not been their history . The key is ...
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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