Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page ix
... considerable changes in a limited 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 ...
... considerable changes in a limited 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 ...
Page x
... considerable additions to the original essay and have rearranged , and I trust strengthened the argument , which I now hope may attract the attention of all who are interested in the subject . I may be allowed here to remark , that my ...
... considerable additions to the original essay and have rearranged , and I trust strengthened the argument , which I now hope may attract the attention of all who are interested in the subject . I may be allowed here to remark , that my ...
Page 2
... considerable angle towards the source of light and heat . This inclination 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 ...
... considerable angle towards the source of light and heat . This inclination 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 ...
Page 2
... considerable angle towards the source of light 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 ...
... considerable angle towards the source of light 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 ...
Page 9
... considerable quantities in the atmosphere , exhibits a singular and very important relation to solar and terrestrial heat . The rays of the sun pass through it unobstructed to the earth ; but the warmth given off by the heated earth is ...
... considerable quantities in the atmosphere , exhibits a singular and very important relation to solar and terrestrial heat . The rays of the sun pass through it unobstructed to the earth ; but the warmth given off by the heated earth is ...
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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