Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page xii
... Females not a Cause of Colour - Probable Use of the Horns of Beetles - Cause of the greater Brilliancy of some Female ... Female Birds - Colour- development as illustrated by Humming - Birds - Theory of Typical Colours -Local Causes of ...
... Females not a Cause of Colour - Probable Use of the Horns of Beetles - Cause of the greater Brilliancy of some Female ... Female Birds - Colour- development as illustrated by Humming - Birds - Theory of Typical Colours -Local Causes of ...
Page 76
... composed of males , the females remaining in the forests where , towards the afternoon , their partners join them . The majority of butterflies settle upon foliage and on flowers 76 TROPICAL NATURE , AND OTHER ESSAYS .
... composed of males , the females remaining in the forests where , towards the afternoon , their partners join them . The majority of butterflies settle upon foliage and on flowers 76 TROPICAL NATURE , AND OTHER ESSAYS .
Page 134
... females or in rivalry with other males . It is therefore probable that the wonderfully varied decorations of humming ... female . bird . One would shoot up like a rocket , then , suddenly expanding the snow - white tail like an inverted ...
... females or in rivalry with other males . It is therefore probable that the wonderfully varied decorations of humming ... female . bird . One would shoot up like a rocket , then , suddenly expanding the snow - white tail like an inverted ...
Page 141
... females differ con- siderably ; and the curious point is , that the female in the smaller and more distant island somewhat resembles the same sex in Chili , while the female of the Juan Fernandez species is very distinct , although the ...
... females differ con- siderably ; and the curious point is , that the female in the smaller and more distant island somewhat resembles the same sex in Chili , while the female of the Juan Fernandez species is very distinct , although the ...
Page 142
... female remains to this day intermediate between the Juan Fernandez and the Chilian forms . More re- cently , the parent form has again migrated from Chili to Juan Fernandez , where it still lives side by side with its greatly changed ...
... female remains to this day intermediate between the Juan Fernandez and the Chilian forms . More re- cently , the parent form has again migrated from Chili to Juan Fernandez , where it still lives side by side with its greatly changed ...
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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