The Origin of Species, Том 2Books, Incorporated, 1900 - Всего страниц: 365 |
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Стр. 279
... deposits . In the case of an extensive and shallow sea , such as that within a large part of the Malay Archipelago ... deposit be much consolidated , nor be capped by overlying formations , so that it would run a good chance of ...
... deposits . In the case of an extensive and shallow sea , such as that within a large part of the Malay Archipelago ... deposit be much consolidated , nor be capped by overlying formations , so that it would run a good chance of ...
Стр. 281
... deposits , in various quarters of the world , it has everywhere been noted , that some few still existing species are common in the deposit , but have become extinct in the im- mediately surrounding sea ; or , conversely , that some ...
... deposits , in various quarters of the world , it has everywhere been noted , that some few still existing species are common in the deposit , but have become extinct in the im- mediately surrounding sea ; or , conversely , that some ...
Стр. 282
... deposits , in- cluding fossil remains , have gone on accumulating within the same area during the whole of this period . It is not , for instance , probable that sediment was deposited during the whole of the glacial period near the ...
... deposits , in- cluding fossil remains , have gone on accumulating within the same area during the whole of this period . It is not , for instance , probable that sediment was deposited during the whole of the glacial period near the ...
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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