Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page xii
... producing Colour - Changes of Colour in Animals produced by Coloured Light— Classification of Organic Colours - Protective Colours - Warning Colours -Sexual Colours - Typical Colours - The Nature of Colour - How Animal Colours are Produced ...
... producing Colour - Changes of Colour in Animals produced by Coloured Light— Classification of Organic Colours - Protective Colours - Warning Colours -Sexual Colours - Typical Colours - The Nature of Colour - How Animal Colours are Produced ...
Page 7
... produces any burning of the skin ; while in the tropics , at almost any hour of the day , and when the sun has an ... produced by the same amount of sun - heat poured upon the earth in different latitudes is due to a combination of ...
... produces any burning of the skin ; while in the tropics , at almost any hour of the day , and when the sun has an ... produced by the same amount of sun - heat poured upon the earth in different latitudes is due to a combination of ...
Page 11
... produced in the two localities may be very different according as the atmosphere contains much or little vapour . In ... produce the westerly monsoons act in a similar manner , so that on the equator direct north or south winds , except ...
... produced in the two localities may be very different according as the atmosphere contains much or little vapour . In ... produce the westerly monsoons act in a similar manner , so that on the equator direct north or south winds , except ...
Page 12
... produce those scorching effects which are so puzzling when the altitude of the sun or the indications of the thermometer are alone con- sidered . Whenever , as is sometimes the case , exceptional cold occurs near the equator , it can ...
... produce those scorching effects which are so puzzling when the altitude of the sun or the indications of the thermometer are alone con- sidered . Whenever , as is sometimes the case , exceptional cold occurs near the equator , it can ...
Page 13
... produces a remarkable lowering of the usual equatorial temperature . But owing to the increased velocity of the earth's surface at the equator a south wind there must have been a south - west wind at its origin , and this would bring it ...
... produces a remarkable lowering of the usual equatorial temperature . But owing to the increased velocity of the earth's surface at the equator a south wind there must have been a south - west wind at its origin , and this would bring it ...
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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 Danaid¿ 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 hy¿nas immense inhabit insects Juan Fernandez land larger larv¿ 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