The Origin of Species by Means of Natural Selection: Or the Preservation of Favored Races in the Struggle for Life |
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Page 14
... Hence if man goes on selecting , and thus augmenting , any peculiarity , he will almost certainly modify unintentionally other parts of the structure , owing to the mysterious laws of correlation . The results of the various , unknown ...
... Hence if man goes on selecting , and thus augmenting , any peculiarity , he will almost certainly modify unintentionally other parts of the structure , owing to the mysterious laws of correlation . The results of the various , unknown ...
Page 16
... 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 27
... Hence the supposed aboriginal stocks must either still exist in the countries where they were originally domesticated , and yet be unknown 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 unknown to ornithologists ; and this , considering their size , habits , and remarkable . characters ...
Page 28
... Hence it must be assumed not only that half - civilised man succeeded in thoroughly domesticating several species , but that he intention- ally or by chance picked out extraordinarily abnormal species ; and further , that these very ...
... Hence it must be assumed not only that half - civilised man succeeded in thoroughly domesticating several species , but that he intention- ally or by chance picked out extraordinarily abnormal species ; and further , that these very ...
Page 45
... hence the Toulouse and the common breed , which differ only in colour , that most fleeting of characters , have lately been exhibited as distinct at our poultry - shows . These views appear to explain what has sometimes been noticed ...
... hence the Toulouse and the common breed , which differ only in colour , that most fleeting of characters , have lately been exhibited as distinct at our poultry - shows . These views appear to explain what has sometimes been noticed ...
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Common terms and phrases
adapted affinities allied species America ancient appear Asa Gray beak become bees believe belonging birds breeds cause cells characters climate closely allied colour common continent crossed crustaceans degree developed difficulty distinct species domestic doubt effects eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation forms fossil Fritz Müller genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids important individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellę larvę less living males mammals manner marsupials migration modified descendants natural selection naturalists nearly nest occasionally offspring organisation organs parent peculiar perfect pigeon pistil pollen present principle probably produced progenitor quadrupeds ranked remarked resemblance rudimentary seeds sexual selection Silurian slight South America stamens sterility structure successive supposed swimbladder tend theory tion trees variability variations varieties vary whilst whole wings young