The Origin of Species, Том 2Books, Incorporated, 1900 - Всего страниц: 365 |
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Стр. 326
... tion of the more dominant forms of life from one region into an- other having been more or less effectually prevented , at periods more or less remote on the nature and number of the former immigrants - and on the action of the ...
... tion of the more dominant forms of life from one region into an- other having been more or less effectually prevented , at periods more or less remote on the nature and number of the former immigrants - and on the action of the ...
Стр. 418
... tion , they appear as if suddenly created there , and will be simply classed as new species . Most formations have been intermittent in their accumulation , and their duration has probably been shorter than the average duration of ...
... tion , they appear as if suddenly created there , and will be simply classed as new species . Most formations have been intermittent in their accumulation , and their duration has probably been shorter than the average duration of ...
Стр. 449
... tion , that forms now perfectly distinct have descended from a single parent - form . In June , 1859 , Professor Huxley gave a lecture before the Royal Institution on the " Persistent Types of Animal Life . " Referring to such cases ...
... tion , that forms now perfectly distinct have descended from a single parent - form . In June , 1859 , Professor Huxley gave a lecture before the Royal Institution on the " Persistent Types of Animal Life . " Referring to such cases ...
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Часто встречающиеся слова и выражения
adapted admit affinity ancient animals appear Archipelago areas become believe belonging birds Cambrian characters classification climate closely allied species common continent creation crustaceans degree deposits descent with modification developed difficulty distant distinct species domestic doubt embryo Europe existing extinct facts faunas 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 INDIANENSIS individuals inhabitants inherited insects instance intermediate intervals land larvæ less living mammæ mammals manner marine Marsupials MDCCCXX migration modified descendants mongrels mountains natural selection naturalists nearly oceanic islands offspring parent peculiar perfect pistil plants pollen present probably produced progenitor quadrupeds reciprocal crosses regions remains remarked reproductive resemblance rocks rudimentary organs seeds SIGILLUM Silurian South America stage stamens sterility structure successive suppose terrestrial tertiary theory of natural tion variations varieties VERITAS whole widely different