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
... marsupials should have been chiefly or solely produced in Australia ; or that Edentata and other American types should have been solely produced in South America . For we know that Europe in ancient times was peopled by numerous marsupials ...
... marsupials should have been chiefly or solely produced in Australia ; or that Edentata and other American types should have been solely produced in South America . For we know that Europe in ancient times was peopled by numerous marsupials ...
Página 227
... Marsupial , which will naturally have been more or less intermediate in character with respect to all existing Marsupials ; or that both Rodents and Marsupials branched off from a common progenitor , and that both groups have since ...
... Marsupial , which will naturally have been more or less intermediate in character with respect to all existing Marsupials ; or that both Rodents and Marsupials branched off from a common progenitor , and that both groups have since ...
Página 332
... Marsupials of Australia , i . 140 . Structure of their fect , ii . 232 Marsupials , fossil species of , ii . 121 . Martens , M. , experiment ou seeds , ii . 144 . Martin , Mr. W. C. , on striped mules , i . 201 . Masters , Dr. , on ...
... Marsupials of Australia , i . 140 . Structure of their fect , ii . 232 Marsupials , fossil species of , ii . 121 . Martens , M. , experiment ou seeds , ii . 144 . Martin , Mr. W. C. , on striped mules , i . 201 . Masters , Dr. , on ...
Contenido
CONTENTS OF VOL | 1 |
CHAPTER X | 48 |
CHAPTER XII | 129 |
Derechos de autor | |
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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