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 64
... rocks once formed the primordial nucleus of the globe , will admit that these latter rocks have been stript of their covering to an enormous extent . For it is scarcely possible that such rocks could have been solidified and ...
... rocks once formed the primordial nucleus of the globe , will admit that these latter rocks have been stript of their covering to an enormous extent . For it is scarcely possible that such rocks could have been solidified and ...
Página 65
... rock , which alone could have formed a part of the original capping of the granitic series . Turning to a well - known ... rocks would be found much more widely extended than they appear to be , if all the sedimentary beds were removed ...
... rock , which alone could have formed a part of the original capping of the granitic series . Turning to a well - known ... rocks would be found much more widely extended than they appear to be , if all the sedimentary beds were removed ...
Página 309
... rocks , between the Laurentian and the Silurian . Until recently these were regarded as the oldest fossiliferous rocks . CANIDE . - The Dog - family , including the Dog , Wolf , Fox , Jackal , & c . CARAPACE . - The shell enveloping the ...
... rocks , between the Laurentian and the Silurian . Until recently these were regarded as the oldest fossiliferous rocks . CANIDE . - The Dog - family , including the Dog , Wolf , Fox , Jackal , & c . CARAPACE . - The shell enveloping the ...
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 - 1963 |
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