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 13
... individuals escape : Professor Wy- man has recently communicated to me a good illustra- tion of this fact ; on asking some farmers in Virginia how it was that all their pigs were black , they informed him that the pigs ate the paint ...
... individuals escape : Professor Wy- man has recently communicated to me a good illustra- tion of this fact ; on asking some farmers in Virginia how it was that all their pigs were black , they informed him that the pigs ate the paint ...
Page 15
... individuals , apparently exposed to the same conditions , any very rare deviation , due to some extraordinary combination of circumstances , appears in the parent - say , once amongst several million individuals - and it reappears in ...
... individuals , apparently exposed to the same conditions , any very rare deviation , due to some extraordinary combination of circumstances , appears in the parent - say , once amongst several million individuals - and it reappears in ...
Page 23
... individuals which present the desired character ; but to obtain a race intermediate between two quite distinct races , would be very difficult . Sir J. Sebright expressly experimented with this object and failed . The offspring from the ...
... individuals which present the desired character ; but to obtain a race intermediate between two quite distinct races , would be very difficult . Sir J. Sebright expressly experimented with this object and failed . The offspring from the ...
Page 40
... individuals of the same breed exist in less civilised districts , where the breed has been less improved . There is reason to believe that King Charles's spaniel has been unconsciously modified to a large extent since the time of that ...
... individuals of the same breed exist in less civilised districts , where the breed has been less improved . There is reason to believe that King Charles's spaniel has been unconsciously modified to a large extent since the time of that ...
Page 43
... individuals of the same species , having slightly different constitutions or structure , would often succeed better in the one country than in the other ; and thus by a process of " natural selection , " as will hereafter be more fully ...
... individuals of the same species , having slightly different constitutions or structure , would often succeed better in the one country than in the other ; and thus by a process of " natural selection , " as will hereafter be more fully ...
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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 lamellę large number larger genera larvę 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