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 10
... extremely rare under nature , but far from rare under cultivation ; and in this case we see that the treatment of the parent has affected a bud or offset , and not the ovules or pollen . But it is the opinion of most physiologists that ...
... extremely rare under nature , but far from rare under cultivation ; and in this case we see that the treatment of the parent has affected a bud or offset , and not the ovules or pollen . But it is the opinion of most physiologists that ...
Page 18
... extremely remote as measured by years ; and we know that at the present day there is hardly a tribe so barbarous as not to have domesticated at least the dog . The origin of most of our domestic animals will pro- bably for ever remain ...
... extremely remote as measured by years ; and we know that at the present day there is hardly a tribe so barbarous as not to have domesticated at least the dog . The origin of most of our domestic animals will pro- bably for ever remain ...
Page 20
... extremely different races or species , I can hardly believe . Sir J. Sebright expressly experimented for this object , and failed . The offspring from the first cross between two pure breeds is tolerably and sometimes ( as I have found ...
... extremely different races or species , I can hardly believe . Sir J. Sebright expressly experimented for this object , and failed . The offspring from the first cross between two pure breeds is tolerably and sometimes ( as I have found ...
Page 34
... extremely alike the flowers ; how unlike the flowers of the heartsease are , and how alike the leaves ; how much the fruit of the dif- ferent kinds of gooseberries differ in size , colour , shape , and hairiness , and yet the flowers ...
... extremely alike the flowers ; how unlike the flowers of the heartsease are , and how alike the leaves ; how much the fruit of the dif- ferent kinds of gooseberries differ in size , colour , shape , and hairiness , and yet the flowers ...
Page 40
... extremely small differences , and it is in human nature to value any novelty , however slight , in one's own possession . Nor must the value which would formerly be set on any slight differences in the individuals of the same species ...
... extremely small differences , and it is in human nature to value any novelty , however slight , in one's own possession . Nor must the value which would formerly be set on any slight differences in the individuals of the same species ...
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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