The Origin of Species by Means of Natural Selection: Or, The Preservation of Favored Races in the Struggle for Life, Volumen2AMS Press, 1972 |
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Página 71
... naturalists have been misled by their imaginations , and that these late tertiary species really present nc difference whatever from their living representatives , or unless we admit , in opposition to the judgment of most naturalists ...
... naturalists have been misled by their imaginations , and that these late tertiary species really present nc difference whatever from their living representatives , or unless we admit , in opposition to the judgment of most naturalists ...
Página 238
... Naturalists frequently speak of the skull as formed of metamorphosed vertebræ ; the jaws of crabs as metamorphosed legs ; the stamens and pistils in flowers as metamorphosed leaves ; but it would in most cases be more correct , as ...
... Naturalists frequently speak of the skull as formed of metamorphosed vertebræ ; the jaws of crabs as metamorphosed legs ; the stamens and pistils in flowers as metamorphosed leaves ; but it would in most cases be more correct , as ...
Página 296
... naturalists , endowed with much flexibility of mind , and who have already begun to doubt the immu- tability of species , may be influenced by this volume ; but I look with confidence to the future , -to young and rising naturalists ...
... naturalists , endowed with much flexibility of mind , and who have already begun to doubt the immu- tability of species , may be influenced by this volume ; but I look with confidence to the future , -to young and rising naturalists ...
Contenido
CONTENTS OF VOL | 1 |
CHAPTER X | 48 |
CHAPTER XII | 129 |
Derechos de autor | |
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Términos y frases comunes
accumulated adapted admit adult affinity allied species ancient animals appear Archipelago arctic areas become beds believe birds breeds Cambrian changes characters classification climate closely allied continent crustaceans degree deposited difficulty distant distinct species domestic doubt embryo Europe existing extinct fact faunas fertilised fertility flowers formations formerly forms fossil fresh-water Fritz Müller Gärtner genera genus geological period geological record Glacial period groups of species habits hybrids hybrids produced important individuals inhabitants inherited insects instance intermediate intervals land larvæ less living mammals manner marine Marsupials migration modified descendants mongrels mountains natural selection naturalists nearly occur oceanic islands offspring organisation parent parent-form peculiar perfect pistil plants pollen present probably produced quadrupeds reciprocal crosses regions remains remarked reproductive resemblance rocks rudimentary organs seeds Silurian slight South America species belonging stage stamens sterility structure successive suppose terrestrial tertiary tion variations varieties whilst widely different wings