Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page 79
... distribution of the ribs or veins which form their framework . The minute scales or feathers with which the wings are clothed are coloured in regular patterns , which vary in accordance with the slightest change in the conditions to ...
... distribution of the ribs or veins which form their framework . The minute scales or feathers with which the wings are clothed are coloured in regular patterns , which vary in accordance with the slightest change in the conditions to ...
Page 103
... distribution , their habits , and even their colours may have been influenced ; for the most conspicuous pigeons , whether by colour or by their crests , are all found in countries where they have the fewest enemies . Picaria . - The ...
... distribution , their habits , and even their colours may have been influenced ; for the most conspicuous pigeons , whether by colour or by their crests , are all found in countries where they have the fewest enemies . Picaria . - The ...
Page 104
... distribution over all the warmer countries of the globe - the cuckoos , the kingfishers , the swifts , and the goatsuckers ; while two others the trogons and the woodpeckers - are only wanting in the Australian region , ceasing suddenly ...
... distribution over all the warmer countries of the globe - the cuckoos , the kingfishers , the swifts , and the goatsuckers ; while two others the trogons and the woodpeckers - are only wanting in the Australian region , ceasing suddenly ...
Page 124
... Distribution and Variation - Humming - birds of Juan Fernandez as illustrating Variation and Natural Selection - The relations and affinities of Humming - birds - How to determine doubtful affinities - Resemblances of Swifts and Humming ...
... Distribution and Variation - Humming - birds of Juan Fernandez as illustrating Variation and Natural Selection - The relations and affinities of Humming - birds - How to determine doubtful affinities - Resemblances of Swifts and Humming ...
Page 125
... distribution , and affinities , of this remarkable family of birds , as illustra- tive of the teeming luxuriance of tropical nature , and as throwing light on some of the most interesting problems of natural history . Structure . The ...
... distribution , and affinities , of this remarkable family of birds , as illustra- tive of the teeming luxuriance of tropical nature , and as throwing light on some of the most interesting problems of natural history . Structure . The ...
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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