The Origin of Species by Means of Natural Selection: Or, The Preservation of Favored Races in the Struggle for Life, Volumen1AMS Press, 1972 - 479 páginas This is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the original versions are generally quite old, there may occasionally be certain imperfections within these reproductions. We're happy to make these classics available again for future generations to enjoy! |
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Página 89
... remains for long periods of time uniform , though assuredly the merest trifle would give the victory to one organic being over another . Never- theless , so profound is our ignorance , and so high our presumption , that we marvel when ...
... remains for long periods of time uniform , though assuredly the merest trifle would give the victory to one organic being over another . Never- theless , so profound is our ignorance , and so high our presumption , that we marvel when ...
Página 149
... remains . We shall , when we come to our chapter on Geology , have to refer again to this subject , and I think we shall then see that the diagram throws light on the affinities of extinct beings , which , though generally belonging to ...
... remains . We shall , when we come to our chapter on Geology , have to refer again to this subject , and I think we shall then see that the diagram throws light on the affinities of extinct beings , which , though generally belonging to ...
Página 170
... which inhabit the caves of Carniola and of Kentucky , are blind . In some of the crabs the foot - stalk for the eye remains , though the eye is gone ; the stand for the telescope is there 170 ( CHAP . V EFFECTS OF USE AND DISUSE .
... which inhabit the caves of Carniola and of Kentucky , are blind . In some of the crabs the foot - stalk for the eye remains , though the eye is gone ; the stand for the telescope is there 170 ( CHAP . V EFFECTS OF USE AND DISUSE .
Contenido
CHAPTER I | 5 |
VARIATION UNDER NATURE | 51 |
Its bearing on natural selectionThe term used in a wide sense | 75 |
Derechos de autor | |
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Términos y frases comunes
acquired 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 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 striped structure struggle supposed swimbladder tend tendency tion transitional tree variability variations varieties vary widely wings young