Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page 7
... surface - waters of the ocean , the great amount of aqueous vapour in the atmosphere , the great extent of the intertropical regions which cause the winds that reach the equatorial zone to be always warm , —and the latent heat given out ...
... surface - waters of the ocean , the great amount of aqueous vapour in the atmosphere , the great extent of the intertropical regions which cause the winds that reach the equatorial zone to be always warm , —and the latent heat given out ...
Page 8
... surface soil becomes greatly super- heated , and a large portion of this heat is given out at night and thus keeps up the high temperature of the air when the sun has ceased to warm the earth . In the temperate zones , on the other hand ...
... surface soil becomes greatly super- heated , and a large portion of this heat is given out at night and thus keeps up the high temperature of the air when the sun has ceased to warm the earth . In the temperate zones , on the other hand ...
Page 10
... surface soil during the day . That this is really the case is strikingly proved by what occurs in the plains of Northern India , where the daily maximum of heat is far beyond anything experienced near the equator , yet , owing to the ...
... surface soil during the day . That this is really the case is strikingly proved by what occurs in the plains of Northern India , where the daily maximum of heat is far beyond anything experienced near the equator , yet , owing to the ...
Page 11
... surface are exactly equal , yet the sensible and effective heat produced in the two localities may be very different according as the atmosphere contains much or little vapour . In the one case the heat is absorbed . more rapidly than ...
... surface are exactly equal , yet the sensible and effective heat produced in the two localities may be very different according as the atmosphere contains much or little vapour . In the one case the heat is absorbed . more rapidly than ...
Page 12
... surface and is thus necessarily a warm wind . In the north temperate zone , on the other hand , the winds are always cool , and often of very low temperature even in the height of summer , due probably to their coming from colder ...
... surface and is thus necessarily a warm wind . In the north temperate zone , on the other hand , the winds are always cool , and often of very low temperature even in the height of summer , due probably to their coming from colder ...
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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