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Стр. 253
... naturalists , endowed with much flexibility of mind , and who have already begun to doubt the immutability of species , may be influenced by this volume ; but I look with confidence to the future , -to young and rising naturalists , who ...
... naturalists , endowed with much flexibility of mind , and who have already begun to doubt the immutability of species , may be influenced by this volume ; but I look with confidence to the future , -to young and rising naturalists , who ...
Стр. 256
... naturalists as sufficient to raise both forms to the rank of species . Hereafter we shall be compelled to acknowledge that the only distinc- tion between species and well - marked varieties is , that the latter are known , or believed ...
... naturalists as sufficient to raise both forms to the rank of species . Hereafter we shall be compelled to acknowledge that the only distinc- tion between species and well - marked varieties is , that the latter are known , or believed ...
Стр. 293
... naturalists as species , by others as mere geographical races . Now if numerous specimens of Cebus were collected from all parts of South America , and those forms which at present appear to be specif- ically distinct , were found to ...
... naturalists as species , by others as mere geographical races . Now if numerous specimens of Cebus were collected from all parts of South America , and those forms which at present appear to be specif- ically distinct , were found to ...
Содержание
Recollections of the Development of My Mind and Character | 3 |
Tierra del Fuego | 35 |
Galapagos Archipelago | 54 |
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Часто встречающиеся слова и выражения
acquired action allied Alphonse de Candolle appearance Archipelago Argus pheasant Asa Gray atolls barrier-reefs Beagle beauty become believe birds blush breed cause chapter characters Charles Darwin Chatham Island climate closely colour continent corals Darwin degree descendants developed distinct species doubt effect excited existence expression extinct extremely eyes face fact favourable females formation forms Fuegians genera genus geological glands groups habits Hence important increase individuals inhabitants inherited insects instance instincts intermediate islands Jemmy Button kind land less living lower animals males mammals manner mind modified monkeys movements natural selection naturalists nearly never observed oceanic offspring organic origin Origin of Species period plants present principle probably produced progenitor races reef relation remarkable savages seeds seems seen sexes sexual selection slight South America sterile structure struggle tendrils tentacles theory Tierra del Fuego tion variations varieties various whilst whole widely worms young