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 49
... remarked , little groups of species are generally clustered like satellites around certain other species . And what are varieties but groups of forms , unequally related to each other , and clustered round certain forms — that is ...
... remarked , little groups of species are generally clustered like satellites around certain other species . And what are varieties but groups of forms , unequally related to each other , and clustered round certain forms — that is ...
Page 117
... remarked , there is no greater anomaly in nature than a bird that cannot fly ; yet there are several in this state . The logger - headed duck of South America can only flap along the surface of the water , and has its wings in nearly ...
... remarked , there is no greater anomaly in nature than a bird that cannot fly ; yet there are several in this state . The logger - headed duck of South America can only flap along the surface of the water , and has its wings in nearly ...
Page 120
... remarked , this is not the case , and the cave - insects of the two continents are not more closely allied than might have been anticipated from the general resemblance of the other inhabitants of North America and Europe . On my view ...
... remarked , this is not the case , and the cave - insects of the two continents are not more closely allied than might have been anticipated from the general resemblance of the other inhabitants of North America and Europe . On my view ...
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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