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 vi
... V. LAWS OF VARIATION . Effects of changed conditions - Use and disuse , combined with natural selection ; organs of flight and of vision - Acclimatisa- tion - Correlated variation - Compensation and economy of growth vi CONTENTS .
... V. LAWS OF VARIATION . Effects of changed conditions - Use and disuse , combined with natural selection ; organs of flight and of vision - Acclimatisa- tion - Correlated variation - Compensation and economy of growth vi CONTENTS .
Page vii
Or, The Preservation of Favoured Races in the Struggle for Life Charles Darwin. tion - Correlated variation - Compensation and economy of growth - False correlations - Multiple , rudimentary , and lowly organised structures variable ...
Or, The Preservation of Favoured Races in the Struggle for Life Charles Darwin. tion - Correlated variation - Compensation and economy of growth - False correlations - Multiple , rudimentary , and lowly organised structures variable ...
Page x
... tion of useful structures . Lastly , reasons given for disbelieving in great and sudden modifi- cations . Gradations of character , often accom- panied by changes of function , are likewise here incidentally considered . are The ...
... tion of useful structures . Lastly , reasons given for disbelieving in great and sudden modifi- cations . Gradations of character , often accom- panied by changes of function , are likewise here incidentally considered . are The ...
Page xvi
... tion ; and then , he adds , but what is done in this latter case " by art , seems to be done with equal efficacy , though more slowly , by nature , in the formation of varieties of mankind , fitted for the country which they inhabit ...
... tion ; and then , he adds , but what is done in this latter case " by art , seems to be done with equal efficacy , though more slowly , by nature , in the formation of varieties of mankind , fitted for the country which they inhabit ...
Page xxv
... tion of species . The Philosophy of Creation ' has been treated in a masterly manner by the Rev. Baden Powell , in his ' Essays on the Unity of Worlds , ' 1855. Nothing can be more striking than the manner in which he shows that the ...
... tion of species . The Philosophy of Creation ' has been treated in a masterly manner by the Rev. Baden Powell , in his ' Essays on the Unity of Worlds , ' 1855. Nothing can be more striking than the manner in which he shows that the ...
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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