Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page xii
... greater Brilliancy of some Female Insects - Origin of the Ornamental Plumage of Male Birds - Theory of the Display of Ornaments by Males - Natural Selection as neutralizing Sexual Selection - Greater Brilliancy of some Female Birds ...
... greater Brilliancy of some Female Insects - Origin of the Ornamental Plumage of Male Birds - Theory of the Display of Ornaments by Males - Natural Selection as neutralizing Sexual Selection - Greater Brilliancy of some Female Birds ...
Page 3
... greater degree than other localities . which are , as regards geographical position , tropical . Temperature of the Equatorial Zone . - The most characteristic , as it is the most important feature in the physical conditions of the ...
... greater degree than other localities . which are , as regards geographical position , tropical . Temperature of the Equatorial Zone . - The most characteristic , as it is the most important feature in the physical conditions of the ...
Page 6
... greater altitude , and therefore greater heating- power , of the midday sun ; but a little consideration will show that this alone by no means accounts for the phenomenon . The island of Java is situated in from six and a half to eight ...
... greater altitude , and therefore greater heating- power , of the midday sun ; but a little consideration will show that this alone by no means accounts for the phenomenon . The island of Java is situated in from six and a half to eight ...
Page 8
... greater as the annual range of temperature is greater , so that it is least near the equator , and greatest in localities near the arctic circle where the greatest difference between summer and winter temperature prevails . In the ...
... greater as the annual range of temperature is greater , so that it is least near the equator , and greatest in localities near the arctic circle where the greatest difference between summer and winter temperature prevails . In the ...
Page 9
... greater daily range of humidity ( 62 to 92 ) the range of temperature is the greatest , and the lowest temperatures are recorded in this and the pre- ceding month . It is a curious fact , that in many parts of England the degree of ...
... greater daily range of humidity ( 62 to 92 ) the range of temperature is the greatest , and the lowest temperatures are recorded in this and the pre- ceding month . It is a curious fact , that in many parts of England the degree of ...
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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