Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page viii
... organic remains . This part of the subject is however both complex and difficult , and I have only attempted to indicate what seem to me the special physical conditions to which the existing peculiarities of tropical life are mainly due ...
... organic remains . This part of the subject is however both complex and difficult , and I have only attempted to indicate what seem to me the special physical conditions to which the existing peculiarities of tropical life are mainly due ...
Page ix
... 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 male birds and ...
... 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 male birds and ...
Page xii
... Organic Colours - Protective Colours - Warning Colours -Sexual Colours - Typical Colours - The Nature of Colour - How Animal Colours are Produced - Colour a Normal Product of Organization - Theory of Protective Colours - Theory of ...
... Organic Colours - Protective Colours - Warning Colours -Sexual Colours - Typical Colours - The Nature of Colour - How Animal Colours are Produced - Colour a Normal Product of Organization - Theory of Protective Colours - Theory of ...
Page 66
... organic forces , which gives the advantage , now to one , now to another , species , and prevents any one type of vegetation from monopolising territory to the exclusion of the rest . The same general causes have led to the filling up ...
... organic forces , which gives the advantage , now to one , now to another , species , and prevents any one type of vegetation from monopolising territory to the exclusion of the rest . The same general causes have led to the filling up ...
Page 79
... organic world ; therefore the study of butterflies - creatures selected as the types of airiness and frivolity — instead of being despised , will some day be valued as one of the most important branches of biological science . " 1 1 ...
... organic world ; therefore the study of butterflies - creatures selected as the types of airiness and frivolity — instead of being despised , will some day be valued as one of the most important branches of biological science . " 1 1 ...
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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