Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
From inside the book
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Page 13
... surface at the equator a south wind there must have been a south - west wind at its origin , and this would bring it directly from the high chain of the Peruvian Andes during the winter of the southern hemisphere . It is therefore ...
... surface at the equator a south wind there must have been a south - west wind at its origin , and this would bring it directly from the high chain of the Peruvian Andes during the winter of the southern hemisphere . It is therefore ...
Page 17
... surface there will be a considerable balance of conden- sation over evaporation which must tend to the general raising of the temperature , and , owing to the conden- sation being principally at night , not less powerfully to its ...
... surface there will be a considerable balance of conden- sation over evaporation which must tend to the general raising of the temperature , and , owing to the conden- sation being principally at night , not less powerfully to its ...
Page 19
... surface ; and it is to a systematic planting of all the hill tops , elevated ridges , and higher slopes that we can alone look for a radical cure of the evil . This would almost certainly induce an increased rainfall ; but even more ...
... surface ; and it is to a systematic planting of all the hill tops , elevated ridges , and higher slopes that we can alone look for a radical cure of the evil . This would almost certainly induce an increased rainfall ; but even more ...
Page 20
... surface . In tropical and even in south - temperate countries , on the other hand , the rains are periodical and often of excessive violence for a short period ; and when the forests are cleared away the torrents of rain soon strip off ...
... surface . In tropical and even in south - temperate countries , on the other hand , the rains are periodical and often of excessive violence for a short period ; and when the forests are cleared away the torrents of rain soon strip off ...
Page 29
... surface . At the solstices the sun passes vertically over the vicinity of the tropics for several weeks , and this further aggravates the aridity ; and wherever the soil is sandy and there are no lofty mountain - chains to supply ample ...
... surface . At the solstices the sun passes vertically over the vicinity of the tropics for several weeks , and this further aggravates the aridity ; and wherever the soil is sandy and there are no lofty mountain - chains to supply ample ...
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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