The Origin of Species by Means of Natural Selection: Or, The Preservation of Favored Races in the Struggle for Life, Volumen2AMS Press, 1972 |
Dentro del libro
Resultados 1-3 de 39
Página 152
... former cold period . The former influence of the glacial climate on the dis- tribution of the inhabitants of Europe , as explained by Edward Forbes , is substantially as follows . But we shall follow the changes more readily , by ...
... former cold period . The former influence of the glacial climate on the dis- tribution of the inhabitants of Europe , as explained by Edward Forbes , is substantially as follows . But we shall follow the changes more readily , by ...
Página 159
... former cold period . From facts communicated to me by the Rev. W. B. Clarke , it appears also that there are traces of former glacial action on the mountains of the south - eastern corner of Australia . Looking to America ; in the ...
... former cold period . From facts communicated to me by the Rev. W. B. Clarke , it appears also that there are traces of former glacial action on the mountains of the south - eastern corner of Australia . Looking to America ; in the ...
Página 166
... former homes , leaving some few species on the moun- tains , and carrying southward with them some of the northern temperate forms which had descended from their mountain fastnesses . Thus , we should have some few species identically ...
... former homes , leaving some few species on the moun- tains , and carrying southward with them some of the northern temperate forms which had descended from their mountain fastnesses . Thus , we should have some few species identically ...
Contenido
CONTENTS OF VOL | 1 |
CHAPTER X | 48 |
CHAPTER XII | 129 |
Derechos de autor | |
Otras 2 secciones no mostradas
Otras ediciones - Ver todas
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