Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page 192
... Darwin's cele- brated work , The Descent of Man and Selection in Relation to Sex , he has treated of sexual colour in combination with other sexual characters , and has 1 For fuller information on this subject the reader should consult ...
... Darwin's cele- brated work , The Descent of Man and Selection in Relation to Sex , he has treated of sexual colour in combination with other sexual characters , and has 1 For fuller information on this subject the reader should consult ...
Page 193
... Darwin's theory to be erroneous ; and have argued that the primary cause of sexual diversity of colour was the need of protec- tion , repressing in the female those bright colours which are normally produced in both sexes by general ...
... Darwin's theory to be erroneous ; and have argued that the primary cause of sexual diversity of colour was the need of protec- tion , repressing in the female those bright colours which are normally produced in both sexes by general ...
Page 194
... all adduced by Mr. Darwin as instances of characters peculiar to the male , yet not derived from any parent ancestral form . Among domestic pigeons the character of the different breeds is 194 TROPICAL NATURE , AND OTHER ESSAYS .
... all adduced by Mr. Darwin as instances of characters peculiar to the male , yet not derived from any parent ancestral form . Among domestic pigeons the character of the different breeds is 194 TROPICAL NATURE , AND OTHER ESSAYS .
Page 195
... Darwin has shown , be transmitted to both sexes or to one only , according as they first appeared at an early age , or in adults of one sex ; and thus we may account for some of the most marked differences in this respect . With the ...
... Darwin has shown , be transmitted to both sexes or to one only , according as they first appeared at an early age , or in adults of one sex ; and thus we may account for some of the most marked differences in this respect . With the ...
Page 197
... Darwin remarks that the latter while running to its burrow , is made conspicuous to the sportsman , and no doubt to all beasts of prey , by its upturned white tail . But this very conspicuousness while running away , may be useful as a ...
... Darwin remarks that the latter while running to its burrow , is made conspicuous to the sportsman , and no doubt to all beasts of prey , by its upturned white tail . But this very conspicuousness while running away , may be useful as a ...
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Common terms and phrases
abundant adapted adorned Africa allied Amazon animals ants Asia attract bamboo Batavia beautiful become birds blue brilliant butterflies carnivora causes changes character characteristic climate colour Colours of Animals comparatively conspicuous continent curious Danaidæ Darwin distinct Eocene equator equatorial zone existence extensive fact families fauna favourable feet female ferns fertilization flowers foliage forests fruits genera genus greater green groups habits heat humming-birds hyænas immense inhabit insects Juan Fernandez land larger larvæ leaves lemurs less light Madagascar Malay Archipelago male mammalia marsupials Miocene monkeys natural selection naturalists North northern observed occur ocean ornaments Palearctic parrots peculiar perhaps phenomena plants plumage probably produced proportion protection rays region remarkable resemble sexual selection showy slender sometimes South America species spots structure sun-birds surface tail temperate zones temperature theory tints tion trees tropical trunks Ungulata variation varied variety vegetation whole wings yellow