The Origin of Species: By Means of Natural Selection Or the Preservation of Favoured Races in the Struggle for LifeCastle Books, 2004 - Всего страниц: 703 The instant best-seller and source of controversy of 1859, this classic has lost none of its appeal or importance. A reprint of the original edition, value priced with a new jacket. |
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Стр. 546
... Islands . With respect to the absence of whole orders of animals on oceanic islands , Bory St. Vincent long ago remarked that Batrachians ( frogs , toads , newts ) are never found on any of the many islands with which the great oceans ...
... Islands . With respect to the absence of whole orders of animals on oceanic islands , Bory St. Vincent long ago remarked that Batrachians ( frogs , toads , newts ) are never found on any of the many islands with which the great oceans ...
Стр. 547
... island situated above 300 miles from a continent or great continental island ; and many islands situated at a much less distance are equally barren . The Falkland Islands , which are inhabited by a wolf - like fox , come nearest to an ...
... island situated above 300 miles from a continent or great continental island ; and many islands situated at a much less distance are equally barren . The Falkland Islands , which are inhabited by a wolf - like fox , come nearest to an ...
Стр. 549
... islands near the shores of Australia . The West Indian Islands , on the other hand , stand on a deeply submerged bank , nearly 1000 fathoms in depth , and here we find American forms , but the species and even the genera are quite ...
... islands near the shores of Australia . The West Indian Islands , on the other hand , stand on a deeply submerged bank , nearly 1000 fathoms in depth , and here we find American forms , but the species and even the genera are quite ...
Содержание
CHAPTER I | 5 |
Variability Individual differences Doubtful species Wide | 51 |
STRUGGLE FOR EXISTENCE | 75 |
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Часто встречающиеся слова и выражения
adapted admit affinities allied species America analogous ancient appear beak become bees believe belonging birds breeds cause cells characters climate closely allied colour continent crossed crustaceans degree developed difficulty distinct species divergence doubt eggs embryo existing extinct extremely facts favourable fertilised fertility flowers formation formerly forms fossil Fritz Müller genera genus geological Glacial period gradations greater number groups of species habits Hence hybrids hybrids produced important increase individuals inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ larvæ less living male mammals manner Marsupials migration modified descendants natural selection naturalists nearly nest occasionally occur oceanic islands offspring organisation organs Origin of Species paleozoic parent peculiar perfect pigeon pistil pollen present preserved principle probably produced quadrupeds ranked remarked resemblance rudimentary seeds slight South America stamens sterility structure successive supposed theory tion trees variability variations varieties vary whilst whole wings young