Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
From inside the book
Page 6
... tropics is sufficiently explained by the 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 ... TROPICAL NATURE , AND OTHER ESSAYS .
... tropics is sufficiently explained by the 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 ... TROPICAL NATURE , AND OTHER ESSAYS .
Page 7
... tropical zones , in the direct heating effect of the sun's rays independently of altitude . In England the noonday sun in the month of June rarely incon- veniences us or produces any burning of the skin ; while in the tropics , at ...
... tropical zones , in the direct heating effect of the sun's rays independently of altitude . In England the noonday sun in the month of June rarely incon- veniences us or produces any burning of the skin ; while in the tropics , at ...
Page 8
... July and August ) when the upper layers of the soil have accumulated a surplus store of solar heat that a sufficient quantity is radiated at night to keep up a high temperature in the absence 8 TROPICAL NATURE , AND OTHER ESSAYS .
... July and August ) when the upper layers of the soil have accumulated a surplus store of solar heat that a sufficient quantity is radiated at night to keep up a high temperature in the absence 8 TROPICAL NATURE , AND OTHER ESSAYS .
Page 11
... tropical lands . This warming of the air is rendered . more certain and more effective by the circumstance , that all currents of air coming from the north or south have their direction changed owing to the increasing rapidity of the ...
... tropical lands . This warming of the air is rendered . more certain and more effective by the circumstance , that all currents of air coming from the north or south have their direction changed owing to the increasing rapidity of the ...
Page 17
Alfred Russel Wallace. portion of the tropical and subtropical zones where the trade - winds constantly blow , as the evaporation must there be enormous while the quantity of rain is very small . It follows , then , that on the ...
Alfred Russel Wallace. portion of the tropical and subtropical zones where the trade - winds constantly blow , as the evaporation must there be enormous while the quantity of rain is very small . It follows , then , that on 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