On the Origin of Species by Means of Natural Selection |
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Page 9
... called by one of our greatest philosophers . On my return home , it occurred to me , in 1837 , that some- thing might perhaps be made out on this question by patiently accumulating and reflecting on all sorts of facts which could ...
... called by one of our greatest philosophers . On my return home , it occurred to me , in 1837 , that some- thing might perhaps be made out on this question by patiently accumulating and reflecting on all sorts of facts which could ...
Page 12
... 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 most apparent and gravest difficulties on the ...
... 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 most apparent and gravest difficulties on the ...
Page 13
... called the same genera are lineal descendants of some other and generally extinct species , in the same manner as the acknowledged varieties of any one species are the descendants of that species . Furthermore , I am convinced that ...
... called the same genera are lineal descendants of some other and generally extinct species , in the same manner as the acknowledged varieties of any one species are the descendants of that species . Furthermore , I am convinced that ...
Page 18
... called correlation of growth . Any change in the embryo or larva will almost certainly entail changes in the mature animal . In monstrosities , the correlations between quite distinct parts are very curious ; and many instances are ...
... called correlation of growth . Any change in the embryo or larva will almost certainly entail changes in the mature animal . In monstrosities , the correlations between quite distinct parts are very curious ; and many instances are ...
Page 27
... called them , could be shown him . Great as the differences are between the breeds of pigeons , I am fully convinced that the common opinion of naturalists is correct , namely , that all have descended from the rock - pigeon ( Columba ...
... called them , could be shown him . Great as the differences are between the breeds of pigeons , I am fully convinced that the common opinion of naturalists is correct , namely , that all have descended from the rock - pigeon ( Columba ...
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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