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 121
... fossils are discovered far beneath the lowest Cambrian strata - a discovery of which the chance is small . On the ... fossil mammals from the Australian caves were closely allied to the living marsupials of that continent . In South ...
... fossils are discovered far beneath the lowest Cambrian strata - a discovery of which the chance is small . On the ... fossil mammals from the Australian caves were closely allied to the living marsupials of that continent . In South ...
Página 332
... fossilized trees in Nova Scotia , ii . 70 . Lythrum salicaria , trimorphic , ii . 32 . M. Macleay , on analogical ... fossil land - shells of , ii . 121 . birds of , ii . 180 . Magpie tame in Norway , i . 325 . Males fighting , i . 108 ...
... fossilized trees in Nova Scotia , ii . 70 . Lythrum salicaria , trimorphic , ii . 32 . M. Macleay , on analogical ... fossil land - shells of , ii . 121 . birds of , ii . 180 . Magpie tame in Norway , i . 325 . Males fighting , i . 108 ...
Página 334
... fossil horse of La Plata , ii . on generalized form , ii . 107 . on relation of ruminants and pachyderms . ii . 107 ... fossils in consecutive formations , ii . 114 . — , on early transitional links , ii 78 . Pierce , Mr. , on varieties ...
... fossil horse of La Plata , ii . on generalized form , ii . 107 . on relation of ruminants and pachyderms . ii . 107 ... fossils in consecutive formations , ii . 114 . — , on early transitional links , ii 78 . Pierce , Mr. , on varieties ...
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