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 101
... points , the organic remains in certain beds present an unmis- takeable resemblance to those of the Chalk . It is ... points as mere superficial sculpture . More- over , other forms , which are not found in the Chalk of Europe , but ...
... points , the organic remains in certain beds present an unmis- takeable resemblance to those of the Chalk . It is ... points as mere superficial sculpture . More- over , other forms , which are not found in the Chalk of Europe , but ...
Página 136
... point to the several distant and isolated points , where now found . Nevertheless the simplicity of the view that each species was first produced within a single region cap- tivates the mind . He who rejects it , rejects the vera causa ...
... point to the several distant and isolated points , where now found . Nevertheless the simplicity of the view that each species was first produced within a single region cap- tivates the mind . He who rejects it , rejects the vera causa ...
Página 138
... points , nor do I for a moment pretend that any explanation could be offered of many instances . But , after some preliminary remarks , I will discuss a few of the most striking classes of facts ; namely , the existence of the same ...
... points , nor do I for a moment pretend that any explanation could be offered of many instances . But , after some preliminary remarks , I will discuss a few of the most striking classes of facts ; namely , the existence of the same ...
Contenido
CONTENTS OF VOL | 1 |
CHAPTER X | 48 |
CHAPTER XII | 129 |
Derechos de autor | |
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The Origin of Species by Means of Natural Selection: Or, The Preservation of ... Charles Darwin Vista de fragmentos - 1962 |
The Origin of Species by Means of Natural Selection: Or, The Preservation of ... Charles Darwin Vista de fragmentos - 1962 |
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