The Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life, Volume 1 |
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Page 2
... give references and au- thorities for my several statements ; and I must trust to the reader reposing some confidence in my accuracy . No doubt errors will have crept in , though I hope I have always been cautious in trusting to good ...
... give references and au- thorities for my several statements ; and I must trust to the reader reposing some confidence in my accuracy . No doubt errors will have crept in , though I hope I have always been cautious in trusting to good ...
Page 6
... give a brief recapitu- lation of the whole work , and a few concluding remarks . No one ought to feel surprise at much remaining as yet unexplained in regard to the origin of species and varieties , if he make due allowance for our ...
... give a brief recapitu- lation of the whole work , and a few concluding remarks . No one ought to feel surprise at much remaining as yet unexplained in regard to the origin of species and varieties , if he make due allowance for our ...
Page 10
... give the details which I have collected and elsewhere published on this curious subject ; but to show how singular the laws are which determine the reproduction of animals under confinement 10 [ СНАР . І. VARIATION UNDER DOMESTICATION .
... give the details which I have collected and elsewhere published on this curious subject ; but to show how singular the laws are which determine the reproduction of animals under confinement 10 [ СНАР . І. VARIATION UNDER DOMESTICATION .
Page 11
... give numerous instances ) , yet having their re- productive system so seriously affected by unperceived causes as to fail to act , we need not be surprised at this system , when it does act under confinement , acting irregularly , and ...
... give numerous instances ) , yet having their re- productive system so seriously affected by unperceived causes as to fail to act , we need not be surprised at this system , when it does act under confinement , acting irregularly , and ...
Page 21
... give , I am doubtfully inclined to believe , in opposition to several authors , that all the races belong to the same species . Having kept nearly all the English breeds of the fowl alive , having bred and crossed them , and examined ...
... give , I am doubtfully inclined to believe , in opposition to several authors , that all the races belong to the same species . Having kept nearly all the English breeds of the fowl alive , having bred and crossed them , and examined ...
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Common terms and phrases
adapted advantage allied analogous animals and plants appear Asa Gray beak become bees believe birds breeds caudicle cause cells characters climate closely colour common crossed cuckoo degree developed difficulty distinct species disuse divergence domestic animals domestic races doubt effects eggs existence extinct extremely facts favourable females flowers forms Fritz Müller genera genus giraffe gradations greater number groups habits Hence hermaphrodites hive-bee important improved increase in number individual differences inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ large number larger genera larvæ less likewise males manner Melipona Mivart natural selection naturalists nearly nest occasionally offspring organisation organs origin Origin of Species perfect period pigeons pollen pollen-grains present preserved principle probably produced progenitor quadrupeds rank Red Grouse relation remarked resemble rock-pigeon seeds sexes sexual sexual selection slight stamens structure struggle supposed swimbladder tend tendency tion transitional tree variability variations varieties vary widely wings young