The Origin of Species, Том 2Books, Incorporated, 1900 - Всего страниц: 365 |
Результаты поиска по книге
Результаты 1 – 3 из 44
Стр. 318
... closely allied , than it is at present , to the northern half . In a similar man- ner we know , from Falconer and Cautley's discoveries , that North- ern India was formerly more closely related in its mammals to Africa than it is at the ...
... closely allied , than it is at present , to the northern half . In a similar man- ner we know , from Falconer and Cautley's discoveries , that North- ern India was formerly more closely related in its mammals to Africa than it is at the ...
Стр. 366
... closely allied or repre- sentative species occur , there will likewise be found some identical species ; and wherever many closely allied species occur , there will be found many forms which some naturalists rank as distinct species ...
... closely allied or repre- sentative species occur , there will likewise be found some identical species ; and wherever many closely allied species occur , there will be found many forms which some naturalists rank as distinct species ...
Стр. 428
... closely allied species inhabit two areas , some identical species are still common to both . Wherever many closely allied yet distinct species occur , doubtful forms and varieties belonging to the same groups like- wise occur . It is a ...
... closely allied species inhabit two areas , some identical species are still common to both . Wherever many closely allied yet distinct species occur , doubtful forms and varieties belonging to the same groups like- wise occur . It is a ...
Другие издания - Просмотреть все
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