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 271
... extinct species . Had this horse been still living , but in some degree rare , no naturalist would have felt the least sur- prise at its rarity ; for rarity is the attribute of a vast number of species of all classes , in all countries ...
... extinct species . Had this horse been still living , but in some degree rare , no naturalist would have felt the least sur- prise at its rarity ; for rarity is the attribute of a vast number of species of all classes , in all countries ...
Page 280
... extinct species or group of species being considered as intermediate be- tween living species or groups . If by this term it is meant that an extinct form is directly intermediate in all its charac- ters between two living forms , the ...
... extinct species or group of species being considered as intermediate be- tween living species or groups . If by this term it is meant that an extinct form is directly intermediate in all its charac- ters between two living forms , the ...
Page 282
... extinct and recent , descended from A , make , as before remarked , one order ; and this order , from the continued effects of extinction and diver- gence of character , has become divided into several sub- families and families , some ...
... extinct and recent , descended from A , make , as before remarked , one order ; and this order , from the continued effects of extinction and diver- gence of character , has become divided into several sub- families and families , some ...
Contents
VARIATION UNDER DOMESTICATION | 6 |
VARIATION UNDER NATURE | 38 |
STRUGGLE FOR EXISTENCE | 52 |
Copyright | |
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Common terms and phrases
accumulated adapted affinities allied species amount analogous ancient animals appear archipelago become bees believe birds breeds cause cells characters cirripedes climate closely allied colour common parent continuous crossed crustaceans degree difficulty distant distinct species divergence domestic doubt eggs embryo endemic Europe existing exterminated extinct extremely facts favourable fertility flower formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hermaphrodites hybrids hybrids produced important increase in number individuals inhabitants inherited insects instance instincts intercrossing land larvæ less living male mammals manner migration modification modified descendants natural selection naturalists nearly nest occasionally oceanic islands offspring perfect pigeons pistil plants pollen present probably produced progenitor ranked reciprocal crosses remarked resemblance seeds sexual selection Silurian slight South America sterility structure struggle successive suppose swimbladder theory tion trees variability variations vary whole widely