Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page 8
... feet , and with us it is probably fifty or sixty feet , and the temperature found there is nearly forty degrees lower than at the equator . This great body of cool earth absorbs a large portion of the surface heat during the summer ...
... feet , and with us it is probably fifty or sixty feet , and the temperature found there is nearly forty degrees lower than at the equator . This great body of cool earth absorbs a large portion of the surface heat during the summer ...
Page 27
... hill , plain , and mountain with an evergreen mantle . Lofty peaks and precipitous ridges are sometimes bare , but often the woody covering continues to a height of eight or ten thousand feet , as in some of the volcanic mountains.
... hill , plain , and mountain with an evergreen mantle . Lofty peaks and precipitous ridges are sometimes bare , but often the woody covering continues to a height of eight or ten thousand feet , as in some of the volcanic mountains.
Page 28
Alfred Russel Wallace. thousand feet , as in some of the volcanic mountains of Java and on portions of the Eastern Andes . Beyond the forests both to the north and south , we meet first with woody and then open country , soon changing ...
Alfred Russel Wallace. thousand feet , as in some of the volcanic mountains of Java and on portions of the Eastern Andes . Beyond the forests both to the north and south , we meet first with woody and then open country , soon changing ...
Page 30
... feet , is an almost unbroken canopy of foliage formed by the meeting together of these great trees and their interlacing branches ; and this canopy is usually so dense that but an indistinct glimmer of the sky is to be seen , and even ...
... feet , is an almost unbroken canopy of foliage formed by the meeting together of these great trees and their interlacing branches ; and this canopy is usually so dense that but an indistinct glimmer of the sky is to be seen , and even ...
Page 31
... feet ; they often divide as they approach the ground , and sometimes twist and curve along the surface for a considerable distance , forming elevated and greatly compressed roots . These buttresses are sometimes so large that the spaces ...
... feet ; they often divide as they approach the ground , and sometimes twist and curve along the surface for a considerable distance , forming elevated and greatly compressed roots . These buttresses are sometimes so large that the spaces ...
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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