Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page ix
... colour in the organic world , and its special develop- ments among certain groups of animals , I have been led to a theory of the diverse colours of the sexes and of the special ornaments and brilliant hues which dis- tinguish certain ...
... colour in the organic world , and its special develop- ments among certain groups of animals , I have been led to a theory of the diverse colours of the sexes and of the special ornaments and brilliant hues which dis- tinguish certain ...
Page xii
... Colour - Changes of Colour in Animals produced by Coloured Light— Classification of Organic Colours - Protective Colours - Warning Colours -Sexual Colours - Typical Colours - The Nature of Colour - How Animal Colours are Produced ...
... Colour - Changes of Colour in Animals produced by Coloured Light— Classification of Organic Colours - Protective Colours - Warning Colours -Sexual Colours - Typical Colours - The Nature of Colour - How Animal Colours are Produced ...
Page 64
... coloured flowers . When from some elevated point you can gaze down upon an unbroken expanse of woody vegetation , it ... colour , indicating the position of handsome flowering trees . The well - established relation between coloured ...
... coloured flowers . When from some elevated point you can gaze down upon an unbroken expanse of woody vegetation , it ... colour , indicating the position of handsome flowering trees . The well - established relation between coloured ...
Page 79
... colour , of the wings , and the 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 ...
... colour , of the wings , and the 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 ...
Page 110
... colour is concerned , from the sparrows , warblers , and thrushes of our northern climes . He will however , if observant , soon note that most of these dull colours are protective ; the groups to which they belong frequenting low ...
... colour is concerned , from the sparrows , warblers , and thrushes of our northern climes . He will however , if observant , soon note that most of these dull colours are protective ; the groups to which they belong frequenting low ...
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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