On the Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for LifeThis is the 'second edition' of Darwin's Origin of Species. |
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Page viii
... 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 succession of the same types ...
... 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 succession of the same types ...
Page xii
... Extinction caused by Natural Selection - Divergence of Cha- racter , related to the diversity of inhabitants of any small area , and to naturalisation - Action of Natural Selection , through Divergence of Character and Extinction , on ...
... Extinction caused by Natural Selection - Divergence of Cha- racter , related to the diversity of inhabitants of any small area , and to naturalisation - Action of Natural Selection , through Divergence of Character and Extinction , on ...
Page 5
... Extinction of the less improved forms of life , and leads to what I have called Divergence of Character . In the next chapter I shall discuss the complex and little known laws of variation and of corre- lation of growth . In the four ...
... Extinction of the less improved forms of life , and leads to what I have called Divergence of Character . In the next chapter I shall discuss the complex and little known laws of variation and of corre- lation of growth . In the four ...
Page 6
... 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 has been the main but not exclusive means of modification ...
... 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 has been the main but not exclusive means of modification ...
Page 23
... extinct in the wild state . But birds breeding on preci- pices , and good fliers , are unlikely to be exterminated ; and the common rock - pigeon , which has the same habits with the domestic breeds , has not been exterminated even on ...
... extinct in the wild state . But birds breeding on preci- pices , and good fliers , are unlikely to be exterminated ; and the common rock - pigeon , which has the same habits with the domestic breeds , has not been exterminated even on ...
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Common terms and phrases
accumulated adapted affinities allied species America amount analogous ancient animals appear 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 hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ less living male mammals manner Marsupials migration modification modified descendants natural selection naturalists nearly nest oceanic islands offspring organisation perfect pigeons plants pollen present probably produced progenitor racters ranked reciprocal crosses remarked resemble rock-pigeon rudimentary organs seeds sexual selection Silurian slight South America sterility structure struggle successive supposed tend theory tion variability variations varieties vary whole widely