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 49
... geological formation and every stratum full of such intermediate links ? Geology assuredly does not reveal any such finely - graduated organic chain ; and this , perhaps , is the most obvious and serious objection ... GEOLOGICAL RECORD .
... geological formation and every stratum full of such intermediate links ? Geology assuredly does not reveal any such finely - graduated organic chain ; and this , perhaps , is the most obvious and serious objection ... GEOLOGICAL RECORD .
Página 88
... geological formations many links between the species which now exist and which formerly existed , we do not find infinitely numerous fine transi- tional forms closely joining them all together ; -the ... GEOLOGICAL RECORD . [ CHAP . X.
... geological formations many links between the species which now exist and which formerly existed , we do not find infinitely numerous fine transi- tional forms closely joining them all together ; -the ... GEOLOGICAL RECORD . [ CHAP . X.
Página 128
... geological record be as imperfect as many believe , and it may at least be asserted that the record cannot be proved to be much more perfect , the main objections to the theory of natural selection are greatly diminished or disappear ...
... geological record be as imperfect as many believe , and it may at least be asserted that the record cannot be proved to be much more perfect , the main objections to the theory of natural selection are greatly diminished or disappear ...
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