The Origin of Species by Means of Natural Selection: Or, The Preservation of Favoured Races in the Struggle for Life, Volume 1 |
From inside the book
Results 1-5 of 34
Page xxii
... observation des animaux sauvages démontre déjà la variabilité limitée des espèces . Les expériences sur les animaux sauvages devenus domestiques , et sur les animaux domestiques redevenus sauvages , la démon- trent plus clairement ...
... observation des animaux sauvages démontre déjà la variabilité limitée des espèces . Les expériences sur les animaux sauvages devenus domestiques , et sur les animaux domestiques redevenus sauvages , la démon- trent plus clairement ...
Page xxvi
... many original observations . The first edition of this work was published on November 24th , 1859 , and the second edition on January 7th , 1860 . ORIGIN OF SPECIES . INTRODUCTION . WHEN on board H.M.S. xxvi HISTORICAL SKETCH .
... many original observations . The first edition of this work was published on November 24th , 1859 , and the second edition on January 7th , 1860 . ORIGIN OF SPECIES . INTRODUCTION . WHEN on board H.M.S. xxvi HISTORICAL SKETCH .
Page 4
... observations it seemed to me probable that a careful study of domes- ticated animals and of cultivated plants would offer the best chance of making out this obscure problem . Nor have I been disappointed ; in this and in all other ...
... observations it seemed to me probable that a careful study of domes- ticated animals and of cultivated plants would offer the best chance of making out this obscure problem . Nor have I been disappointed ; in this and in all other ...
Page 10
... observed with plants and animals when reared under new or unnatural conditions . Many facts clearly show how eminently susceptible the reproductive system is to very slight changes in the surrounding conditions . Nothing is more easy ...
... observed with plants and animals when reared under new or unnatural conditions . Many facts clearly show how eminently susceptible the reproductive system is to very slight changes in the surrounding conditions . Nothing is more easy ...
Page 28
... apt suddenly to acquire these characters . To give one instance out of several which I have observed : -I crossed some white fantails , which breed very true , with some black barbs - and it 28 [ CHAP . I. DOMESTIC PIGEONS .
... apt suddenly to acquire these characters . To give one instance out of several which I have observed : -I crossed some white fantails , which breed very true , with some black barbs - and it 28 [ CHAP . I. DOMESTIC PIGEONS .
Other editions - View all
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