Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page 2
... heat . This incli- nation of the axis on which the earth rotates is usually defined by the inclination of the equator to the plane of the orbit , termed the obliquity of the ecliptic . The amount of this obliquity is 23 degrees , and ...
... heat . This incli- nation of the axis on which the earth rotates is usually defined by the inclination of the equator to the plane of the orbit , termed the obliquity of the ecliptic . The amount of this obliquity is 23 degrees , and ...
Page 3
... of day and night , and from one part of the year to another . As a general rule , the greatest heat of the day does not exceed 90 ° or 91 ° Fahr . , while it seldom falls during the night B 2 EQUATORIAL TEMPERATURE . 3.
... of day and night , and from one part of the year to another . As a general rule , the greatest heat of the day does not exceed 90 ° or 91 ° Fahr . , while it seldom falls during the night B 2 EQUATORIAL TEMPERATURE . 3.
Page 6
... heating- power , of the midday sun ; but a little consideration will show that this alone by no means accounts for the ... heat received by the earth must be then very much greater at London than at Batavia . Yet at the former place the ...
... heating- power , of the midday sun ; but a little consideration will show that this alone by no means accounts for the ... heat received by the earth must be then very much greater at London than at Batavia . Yet at the former place the ...
Page 7
... heat poured upon the earth in different latitudes is due to a combination of causes . The most important of these are , probably , -the constant high temperature of the soil and of the ... Heat of the Soil . - It CAUSES OF TROPICAL HEAT .
... heat poured upon the earth in different latitudes is due to a combination of causes . The most important of these are , probably , -the constant high temperature of the soil and of the ... Heat of the Soil . - It CAUSES OF TROPICAL HEAT .
Page 8
... heat received during the day is therefore conducted down- wards very slowly , the surface soil becomes greatly super- heated , and a large portion of this heat is given out at night and thus keeps up the high temperature of the air when ...
... heat received during the day is therefore conducted down- wards very slowly , the surface soil becomes greatly super- heated , and a large portion of this heat is given out at night and thus keeps up the high temperature of the air when ...
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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