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 224
... insects , and thus often escape destruction . Mr. Bates may almost be said to have actually witnessed the process by which the mimickers have come so closely to resemble the mimicked ; for he found that some of the forms of Leptalis ...
... insects , and thus often escape destruction . Mr. Bates may almost be said to have actually witnessed the process by which the mimickers have come so closely to resemble the mimicked ; for he found that some of the forms of Leptalis ...
Página 314
... insects , the members of which lay their eggs in the bodies or eggs of other insects . IMAGO . The perfect ( generally winged ) reproductive state of an insect . - INDIGENS . The aboriginal animal or vegetable inhabitants of a country ...
... insects , the members of which lay their eggs in the bodies or eggs of other insects . IMAGO . The perfect ( generally winged ) reproductive state of an insect . - INDIGENS . The aboriginal animal or vegetable inhabitants of a country ...
Página 339
... insects homologous with branchiæ . i . 231 . 255 . rudimentary , in insects , ii . Wolf crossed with dog , i . 327 . of Falkland Isles , ii . 183 . Wollaston , Mr. , on varieties of in- sects . i . 59 . - , on fossil varieties of shells ...
... insects homologous with branchiæ . i . 231 . 255 . rudimentary , in insects , ii . Wolf crossed with dog , i . 327 . of Falkland Isles , ii . 183 . Wollaston , Mr. , on varieties of in- sects . i . 59 . - , on fossil varieties of shells ...
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