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 22
... Europe alone , and several even within Great Britain . One author believes that there formerly existed eleven wild species of sheep peculiar to Great Britain ! When we bear in mind that Britain has now not one peculiar mammal , and ...
... Europe alone , and several even within Great Britain . One author believes that there formerly existed eleven wild species of sheep peculiar to Great Britain ! When we bear in mind that Britain has now not one peculiar mammal , and ...
Página 59
... Europe is ample , will that between Europe CHAP . II . ] 59 DOUBTFUL SPECIES .
... Europe is ample , will that between Europe CHAP . II . ] 59 DOUBTFUL SPECIES .
Página 173
... Europe and America are distinct ; but it is possible that the progenitors of these several species , whilst they were furnished with eyes , may formerly have ranged over both continents , and then have become extinct , excepting in ...
... Europe and America are distinct ; but it is possible that the progenitors of these several species , whilst they were furnished with eyes , may formerly have ranged over both continents , and then have become extinct , excepting in ...
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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The Origin of Species by Means of Natural Selection: Or, the Preservation of ... Charles Darwin Sin vista previa disponible - 2016 |
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The Origin of Species by Means of Natural Selection: Or the Preservation of ... Charles Darwin Sin vista previa disponible - 2018 |
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