The Origin of Species by Means of Natural Selection: Or, The Preservation of Favored Races in the Struggle for Life, Том 1AMS Press, 1972 - Всего страниц: 479 This is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the original versions are generally quite old, there may occasionally be certain imperfections within these reproductions. We're happy to make these classics available again for future generations to enjoy! |
Результаты поиска по книге
Результаты 1 – 3 из 85
Стр. 190
... characters are more variable than generic ; but with respect to important characters , I have repeatedly noticed in works on natural history , that when an author remarks with surprise that some important organ or part , which is ...
... characters are more variable than generic ; but with respect to important characters , I have repeatedly noticed in works on natural history , that when an author remarks with surprise that some important organ or part , which is ...
Стр. 192
... characters are highly variable . It will also be admitted that species of the same group differ from each other more widely in their secondary sexual characters , than in other parts of their organisation : compare , for instance , the ...
... characters are highly variable . It will also be admitted that species of the same group differ from each other more widely in their secondary sexual characters , than in other parts of their organisation : compare , for instance , the ...
Стр. 193
... characters are afforded mainly by the anterior antennæ and by the fifth pair of legs : the specific differences also are principally given by these organs . " This relation has a clear ... characters CHAI . V. ] 193 CHARACTERS VARIABLE .
... characters are afforded mainly by the anterior antennæ and by the fifth pair of legs : the specific differences also are principally given by these organs . " This relation has a clear ... characters CHAI . V. ] 193 CHARACTERS VARIABLE .
Содержание
CHAPTER I | 5 |
VARIATION UNDER NATURE | 51 |
Its bearing on natural selectionThe term used in a wide sense | 75 |
Авторские права | |
Не показаны другие разделы: 5
Другие издания - Просмотреть все
The Origin of Species by Means of Natural Selection: Or, the Preservation of ... Charles Darwin Недоступно для просмотра - 2016 |
The Origin of Species by Means of Natural Selection: Or the Preservation of ... Charles Darwin Недоступно для просмотра - 2018 |
Часто встречающиеся слова и выражения
acquired adapted advantage allied analogous animals and plants appear Asa Gray beak become bees believe birds breeds caudicle cause cells characters climate closely colour common crossed cuckoo degree developed difficulty distinct species disuse domestic animals domestic races doubt effects eggs existence extinct extremely facts favourable females flowers forms Fritz Müller genera genus giraffe gradations greater number groups habits Hence hermaphrodites hive-bee important improved increase in number individual differences inhabitants inherited insects instance instincts intercrossing intermediate kind lamellæ large number larger genera larvæ less likewise males manner Melipona Mivart natural selection naturalists nearly nest occasionally offspring organisation organs origin Origin of Species perfect period pigeons pollen pollen-grains present preserved principle probably produced progenitor quadrupeds rank Red Grouse relation remarked resemble rock-pigeon seeds sexes sexual sexual selection slight stamens striped structure struggle supposed swimbladder tend tendency tion transitional tree variability variations varieties vary widely wings young