Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page xii
... The Origin OF THE COLOUR - SENSE . - Supposed Increase of Colour - perception within the Historical Period -- Concluding Remarks on the Colour - sense pages 221-248 VII . BY - PATHS IN THE DOMAIN OF BIOLOGY xii CONTENTS .
... The Origin OF THE COLOUR - SENSE . - Supposed Increase of Colour - perception within the Historical Period -- Concluding Remarks on the Colour - sense pages 221-248 VII . BY - PATHS IN THE DOMAIN OF BIOLOGY xii CONTENTS .
Page 7
... increased altitude must undoubtedly exert . There is another important difference between the temperate and tropical ... increase in the temperature of the air . These very different effects , produced by the same amount of sun - heat ...
... increased altitude must undoubtedly exert . There is another important difference between the temperate and tropical ... increase in the temperature of the air . These very different effects , produced by the same amount of sun - heat ...
Page 10
... increases more rapidly than temperature increases , so that a fall of ten degrees at 50 ° Fahr . will lead to the condensation of about 1 grains of vapour , while a similar fall at 90 ° Fahr . will set free 6 grains . We can thus ...
... increases more rapidly than temperature increases , so that a fall of ten degrees at 50 ° Fahr . will lead to the condensation of about 1 grains of vapour , while a similar fall at 90 ° Fahr . will set free 6 grains . We can thus ...
Page 11
... increasing rapidity of the earth's rotational velocity , so that they reach the equator as easterly winds , and thus pass obliquely over a great extent of the heated surface of the globe . The causes that produce the westerly monsoons ...
... increasing rapidity of the earth's rotational velocity , so that they reach the equator as easterly winds , and thus pass obliquely over a great extent of the heated surface of the globe . The causes that produce the westerly monsoons ...
Page 13
... 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 directly from the high chain of the Peruvian Andes during the winter of the southern ...
... 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 directly from the high chain of the Peruvian Andes during the winter of the southern ...
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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