Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page 3
... Equatorial Zone . - The most characteristic , as it is the most important feature in the physical conditions of the great equatorial zone is the wonderful uniformity of its temperature , alike throughout the changes of day and night ...
... Equatorial Zone . - The most characteristic , as it is the most important feature in the physical conditions of the great equatorial zone is the wonderful uniformity of its temperature , alike throughout the changes of day and night ...
Page 4
... equatorial zone ; though , being in an island , it is somewhat less extreme than many continental localities . Observations made at Para , which is continental and close to the equator , agree how- ever very closely with those at ...
... equatorial zone ; though , being in an island , it is somewhat less extreme than many continental localities . Observations made at Para , which is continental and close to the equator , agree how- ever very closely with those at ...
Page 7
... equatorial zone to be always warm , —and the latent heat given out during the formation of rain and dew . We will briefly consider the manner in which each of these causes contributes to the degree and the uniformity of the equatorial ...
... equatorial zone to be always warm , —and the latent heat given out during the formation of rain and dew . We will briefly consider the manner in which each of these causes contributes to the degree and the uniformity of the equatorial ...
Page 9
... equatorial climate . Influence of the Aqueous Vapour of the Atmosphere . -The aqueous vapour which is always present in considerable quantities in the atmosphere , exhibits a singular and very important relation to solar and terrestrial ...
... equatorial climate . Influence of the Aqueous Vapour of the Atmosphere . -The aqueous vapour which is always present in considerable quantities in the atmosphere , exhibits a singular and very important relation to solar and terrestrial ...
Page 10
... equatorial atmosphere that keeps up a genial warmth throughout the night by preventing the radiation into space of the heat absorbed by the surface soil during the day . That this is really the case is strikingly proved by what occurs ...
... equatorial atmosphere that keeps up a genial warmth throughout the night by preventing the radiation into space of the heat absorbed by the surface soil during the day . That this is really the case is strikingly proved by what occurs ...
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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