On the Origin of Species by Means of Natural Selection |
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Page vii
... improved edition ( 1853 , p . 155 ) , the anonymous author says : " The proposition determined on after much consideration is , that the several series of animated beings , from the simplest and oldest up to the highest and most recent ...
... improved edition ( 1853 , p . 155 ) , the anonymous author says : " The proposition determined on after much consideration is , that the several series of animated beings , from the simplest and oldest up to the highest and most recent ...
Page 12
... improved forms of life , and induces what I have called Divergence of Character . In the next chapter I shall discuss the complex and little known laws of variation and of correlation of growth . In the four succeeding chapters , the ...
... improved forms of life , and induces what I have called Divergence of Character . In the next chapter I shall discuss the complex and little known laws of variation and of correlation of growth . In the four succeeding chapters , the ...
Page 32
... improved them astonishingly . " About this same period the Dutch were as eager about pigeons as were the old Romans . The paramount importance of these considerations in ex- plaining the immense amount of variation which pigeons have ...
... improved them astonishingly . " About this same period the Dutch were as eager about pigeons as were the old Romans . The paramount importance of these considerations in ex- plaining the immense amount of variation which pigeons have ...
Page 38
... improved . There is reason to believe that King Charles's spaniel has been unconsciously modified to a large extent since the time of that monarch . Some highly competent authorities are convinced that the setter is directly derived ...
... improved . There is reason to believe that King Charles's spaniel has been unconsciously modified to a large extent since the time of that monarch . Some highly competent authorities are convinced that the setter is directly derived ...
Page 40
... improved by continued selection up to a standard of perfection comparable with that given to the plants in countries anciently civilised . In regard to the domestic animals kept by uncivilised man , it should not be overlooked that they ...
... improved by continued selection up to a standard of perfection comparable with that given to the plants in countries anciently civilised . In regard to the domestic animals kept by uncivilised man , it should not be overlooked that they ...
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Common terms and phrases
accumulated adapted affinities allied species America amount ancient animals appear become bees believe birds breeds cause cells characters cirripedes climate closely allied colour continuous crossed crustaceans degree difficulty distinct species divergence domestic doubt embryo endemic 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 hermaphrodites hybrids hybrids produced important individuals inhabitants inherited insects instance instincts intercrossing intermediate land larvæ laws less living look male mammals manner migration modification modified descendants natural selection naturalists nearly nest offspring organic organisation perfect pigeons pistil plants pollen present principle probably produced progenitor ranked reciprocal crosses remarked resemble rudimentary seeds sexual selection Silurian slight South America sterility structure struggle successive suppose swimbladder tend theory tion trees variability variation varieties vary whole widely