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 25
... domestic varieties , when run wild , gradually but certainly revert in character to their aboriginal stocks . Hence [ it has been argued that no deductions can be drawn from domestic races to species in a state of nature ] I have in ...
... domestic varieties , when run wild , gradually but certainly revert in character to their aboriginal stocks . Hence [ it has been argued that no deductions can be drawn from domestic races to species in a state of nature ] I have in ...
Page 26
... domestic animals and plants , and compare them with closely allied species , we generally perceive in each domestic race , as already remarked , less uniformity of character than in true species . Domestic races of the same species ...
... domestic animals and plants , and compare them with closely allied species , we generally perceive in each domestic race , as already remarked , less uniformity of character than in true species . Domestic races of the same species ...
Page 27
... domestic animals is , that we find in the most ancient records , more especially on the monuments of Egypt , much diversity in the breeds ; and that some of the breeds closely resemble , perhaps are identical with , those still existing ...
... domestic animals is , that we find in the most ancient records , more especially on the monuments of Egypt , much diversity in the breeds ; and that some of the breeds closely resemble , perhaps are identical with , those still existing ...
Page 28
... domestic animals will probably for ever remain vague . But I may here state , that looking to the domestic dogs of the whole world , I have , after a laborious collection of all known facts , come to the conclusion that several wild ...
... domestic animals will probably for ever remain vague . But I may here state , that looking to the domestic dogs of the whole world , I have , after a laborious collection of all known facts , come to the conclusion that several wild ...
Page 29
... domestic breeds have originated in Europe ; for whence could they have been derived , as these several countries do not possess a number of peculiar species as distinct parent - stocks ? So it is in India ... domestic DOMESTIC PIGEONS 29.
... domestic breeds have originated in Europe ; for whence could they have been derived , as these several countries do not possess a number of peculiar species as distinct parent - stocks ? So it is in India ... domestic DOMESTIC PIGEONS 29.
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Common terms and phrases
accumulated adapted affinities allied species America analogous ancient animals appear archipelago 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 existing exterminated extinct extremely facts favourable fertilised fertility flowers formations forms fossil Gärtner genera genus geological geological period Glacial period gradations greater number groups of species habits Hence hybrids hybrids produced important increase individuals inhabitants inherited insects instance instincts intercrossing intermediate larvæ laws less living males mammals manner migration modification modified descendants natural selection naturalists nearly nest occasionally offspring organic organisation origin of species perfect pigeons plants pollen present principle probably produced progenitor ranked reciprocal crosses remarked resemble rock-pigeon rudimentary seeds sexual sexual selection Silurian slight sometimes South America sterility structure struggle successive supposed swimbladder tend theory variability variations varieties vary whole widely