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 144
... plants of any country might be floated by sea - currents during 28 days , and would re- tain their power of germination . In Johnston's Physical Atlas , the average rate of the several Atlantic currents is 33 miles per diem ( some ...
... plants of any country might be floated by sea - currents during 28 days , and would re- tain their power of germination . In Johnston's Physical Atlas , the average rate of the several Atlantic currents is 33 miles per diem ( some ...
Página 178
... plants , and Wollaston for insects . New Zealand , for instance , with its lofty mountains and diversified stations , extending over 780 miles of latitude , together with the outlying islands of Auckland , Campbell and Chatham , contain ...
... plants , and Wollaston for insects . New Zealand , for instance , with its lofty mountains and diversified stations , extending over 780 miles of latitude , together with the outlying islands of Auckland , Campbell and Chatham , contain ...
Página 329
... plants , i . 20 . 9 on plants of Madeira , i . 130 . Helianthemum , i . 272 . Helix pomatia , ii . 187 . resisting salt water , ii . 187 . Helmholtz , M. , on the imperfection of the human eye , i . 255 . Helosciadium , ii . 143 ...
... plants , i . 20 . 9 on plants of Madeira , i . 130 . Helianthemum , i . 272 . Helix pomatia , ii . 187 . resisting salt water , ii . 187 . Helmholtz , M. , on the imperfection of the human eye , i . 255 . Helosciadium , ii . 143 ...
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