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 122
... American types should have been solely produced in South America . For we know that Europe in ancient times was peopled by numerous marsupials ; and I have shown in the publications above alluded to , that in America the law of ...
... American types should have been solely produced in South America . For we know that Europe in ancient times was peopled by numerous marsupials ; and I have shown in the publications above alluded to , that in America the law of ...
Página 159
... south - eastern corner of Australia . Looking to America ; in the northern half , ice - borne fragments of rock have been observed on the eastern side of the continent , as far south as lat . 362-37 ° , and on the shores of the Pacific ...
... south - eastern corner of Australia . Looking to America ; in the northern half , ice - borne fragments of rock have been observed on the eastern side of the continent , as far south as lat . 362-37 ° , and on the shores of the Pacific ...
Página 188
... South America . Here almost every product of the land and of the water bears the unmistakable stamp of the American continent . There are twenty - six land- birds ; of these , twenty - one , or perhaps twenty - three are ranked as ...
... South America . Here almost every product of the land and of the water bears the unmistakable stamp of the American continent . There are twenty - six land- birds ; of these , twenty - one , or perhaps twenty - three are ranked as ...
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