On the Origin of Species by Means of Natural Selection |
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Page 18
... Hence , if man goes on selecting , and thus augmenting , any peculiarity , he will almost certainly unconsciously modify other parts of the structure , owing to the mysterious laws of the correlation of growth . The result of the ...
... Hence , if man goes on selecting , and thus augmenting , any peculiarity , he will almost certainly unconsciously modify other parts of the structure , owing to the mysterious laws of the correlation of growth . The result of the ...
Page 20
... Hence it has been argued that no deductions can be drawn from domestic races to species in a state of nature . I have in vain endeavoured to discover on what decisive facts the above statement has so often and so boldly been made ...
... Hence it has been argued that no deductions can be drawn from domestic races to species in a state of nature . I have in vain endeavoured to discover on what decisive facts the above statement has so often and so boldly been made ...
Page 28
... Hence the supposed aboriginal stocks must either still exist in the countries . where they were originally domesticated , and yet be un- known to ornithologists ; and this , considering their size , habits , and remarkable characters ...
... Hence the supposed aboriginal stocks must either still exist in the countries . where they were originally domesticated , and yet be un- known to ornithologists ; and this , considering their size , habits , and remarkable characters ...
Page 29
... Hence it must be assumed not only that half - civilized man succeeded in thoroughly domesticating several species , but that he in tentionally or by chance picked out extraordinarily ab- normal species ; and further , that these very ...
... Hence it must be assumed not only that half - civilized man succeeded in thoroughly domesticating several species , but that he in tentionally or by chance picked out extraordinarily ab- normal species ; and further , that these very ...
Page 42
... hence the Thoulouse and the common breed , which differ only in colour , that most fleeting of characters , have lately been exhibited as dis- tinct at our poultry - shows . I think these views further explain what has sometimes been ...
... hence the Thoulouse and the common breed , which differ only in colour , that most fleeting of characters , have lately been exhibited as dis- tinct at our poultry - shows . I think these views further explain what has sometimes been ...
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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