The Descent of Man: And Selection in Relation to SexAppleton, 1897 - Всего страниц: 688 |
Результаты поиска по книге
Результаты 1 – 5 из 78
Стр. xiv
... breeding - season alone - Fishes with both sexes brilliantly coloured - Protective colours - The less conspicuous ... seasonal - Double and single annual moults - Dis- play of ornaments by the males . 307 330 358 CHAPTER XIV . BIRDS ...
... breeding - season alone - Fishes with both sexes brilliantly coloured - Protective colours - The less conspicuous ... seasonal - Double and single annual moults - Dis- play of ornaments by the males . 307 330 358 CHAPTER XIV . BIRDS ...
Стр. 218
... breeding- season ; but as is believed by Sir W. Elliot , who has had many opportunities in India of observing this animal , he consorts at this season with several females . Whether this holds good in Europe is doubtful , but it is ...
... breeding- season ; but as is believed by Sir W. Elliot , who has had many opportunities in India of observing this animal , he consorts at this season with several females . Whether this holds good in Europe is doubtful , but it is ...
Стр. 220
... breeding season differs conspicuously from the female . To sum up on the means through which , as far as we can ... breed in the spring . If such females select the more attractive , and at the same time vigorous males , they will rear a ...
... breeding season differs conspicuously from the female . To sum up on the means through which , as far as we can ... breed in the spring . If such females select the more attractive , and at the same time vigorous males , they will rear a ...
Стр. 224
... breeding season ; and , although they may be subjected to exactly the same conditions , they will tend to vary in a different manner . If such variations are of no service to either sex , they will not be accumulated and increased by ...
... breeding season ; and , although they may be subjected to exactly the same conditions , they will tend to vary in a different manner . If such variations are of no service to either sex , they will not be accumulated and increased by ...
Стр. 229
... breed to their offspring at the corresponding periods of life . For instance , the chickens of spangled Hamburgs ... breeding - season alone . Pallas states , 5 that in Siberia domestic cattle and horses become lighter - coloured ...
... breed to their offspring at the corresponding periods of life . For instance , the chickens of spangled Hamburgs ... breeding - season alone . Pallas states , 5 that in Siberia domestic cattle and horses become lighter - coloured ...
Содержание
1 | |
26 | |
65 | |
97 | |
127 | |
146 | |
166 | |
192 | |
330 | |
358 | |
404 | |
444 | |
463 | |
500 | |
525 | |
531 | |
198 | |
207 | |
260 | |
274 | |
307 | |
556 | |
585 | |
606 | |
620 | |
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
acquired adult male American apes appear Argus pheasant beauty become believe birds body brain breed breeding-season Brehm bright colours chimpanzee civilised common conspicuous courtship developed differences in colour domestic doubt early elytra extremely fact faculties feathers fighting fishes Fritz Müller genus habits hair head Hist horns India infanticide inhabitants inherited insects instance Jerdon kind larvæ latter Lepidoptera less likewise lower animals Lubbock Malay Archipelago mammæ mammals manner Marsupials mental modified monkeys moult natural selection naturalists negroes nests observed occur ocelli offspring organs ornaments Orthoptera pair peacock period pheasant plumage polygamous possess probably Proc Prof progenitors Quadrumana quadrupeds races reason remarks resemble respect rudiments savages secondary sexual characters seen sexes sexual selection shew shewn social instincts spots stridulating structure surface tail tints tion transmitted tribe upper Variation of Animals various Wallace whilst the females wings women young Zoolog