Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page 6
... means accounts for the phenomenon . The island of Java is situated in from six and a half to eight and a half ... mean temperature of the day and night is under 60 ° Fahr . , while in the latter place it is 80 ° Fahr . , the daily ...
... means accounts for the phenomenon . The island of Java is situated in from six and a half to eight and a half ... mean temperature of the day and night is under 60 ° Fahr . , while in the latter place it is 80 ° Fahr . , the daily ...
Page 8
... mean temperature of the locality , is con- stantly maintained throughout the year . The depth at which this uniform temperature is reached is greater as the annual range of temperature is greater , so that it is least near the equator ...
... mean temperature of the locality , is con- stantly maintained throughout the year . The depth at which this uniform temperature is reached is greater as the annual range of temperature is greater , so that it is least near the equator ...
Page 9
... as measured by the comparative saturation of the air , is as great as that of Batavia or even greater . A register kept at Clifton during the years 1853-1862 shows a mean humidity in January MOISTURE OF THE ATMOSPHERE . 9.
... as measured by the comparative saturation of the air , is as great as that of Batavia or even greater . A register kept at Clifton during the years 1853-1862 shows a mean humidity in January MOISTURE OF THE ATMOSPHERE . 9.
Page 10
Alfred Russel Wallace. during the years 1853-1862 shows a mean humidity in January of 90 , while the highest monthly mean for the four years at Batavia was 88 ; and while the lowest of the monthly means at Clifton was 79'1 , the lowest ...
Alfred Russel Wallace. during the years 1853-1862 shows a mean humidity in January of 90 , while the highest monthly mean for the four years at Batavia was 88 ; and while the lowest of the monthly means at Clifton was 79'1 , the lowest ...
Page 11
... mean temperature will be much higher than in the other . - Influence of Winds on the Temperature of the Equator . The distance from the northern to the southern tropics being considerably more than three thousand miles , and the area of ...
... mean temperature will be much higher than in the other . - Influence of Winds on the Temperature of the Equator . The distance from the northern to the southern tropics being considerably more than three thousand miles , and the area of ...
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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 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