Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page viii
... periods from the character of their organic remains . This part of the subject is however both complex and difficult , and I have only attempted to indicate what seem to me the special physical conditions to which the existing ...
... periods from the character of their organic remains . This part of the subject is however both complex and difficult , and I have only attempted to indicate what seem to me the special physical conditions to which the existing ...
Page ix
... period . The discussion on the nature and origin of the colours of animals and plants , is intended to show how far and in what way these are dependent on the climate and physical conditions of the tropics . The chapter entitled " By ...
... period . The discussion on the nature and origin of the colours of animals and plants , is intended to show how far and in what way these are dependent on the climate and physical conditions of the tropics . The chapter entitled " By ...
Page xii
... World - 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 .
... World - 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 4
... period was only 27 ° Fahr . , the maximum being 95 ° and the mini- mum 68 ° . But this is , of course , very much beyond the usual daily range of the thermometer , which is , on the average , only a little more than 11 ° Fahr .; being ...
... period was only 27 ° Fahr . , the maximum being 95 ° and the mini- mum 68 ° . But this is , of course , very much beyond the usual daily range of the thermometer , which is , on the average , only a little more than 11 ° Fahr .; being ...
Page 20
... period ; and when the forests are cleared away the torrents of rain soon strip off the vegetable soil , and thus destroy in a few years the fertility which has been the growth of many centuries . The bare subsoil becoming heated by the ...
... period ; and when the forests are cleared away the torrents of rain soon strip off the vegetable soil , and thus destroy in a few years the fertility which has been the growth of many centuries . The bare subsoil becoming heated by the ...
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Common terms and phrases
abundant adapted adorned Africa allied Amazon animals ants attract bamboo Batavia beautiful become beetles birds blue Borneo brilliant butterflies carnivora causes change of colour character characteristic climate Colours of Animals conspicuous continent curious Danaid¿ Darwin distinct elegant equatorial zone existence extensive fact families favourable feet female ferns fertilization flowers foliage forest-trees fruits genera genus greater green groups habits heat humming-birds hy¿nas immense inhabit insects Juan Fernandez kinds land larger larv¿ leaves lemurs less light Madagascar Malay Archipelago male mammalia Miocene monkeys natural selection naturalists nests North observed occur organic ornaments Palearctic palms 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 toucans trees trunks uneatable variation varied variety various vegetation whole wings yellow