Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page 16
... direct rays of the sun . Again , the most copious condensation both of dew and rain is greatly influenced by vegetation and especially by forests , and also by the presence of hills and moun- tains , and is therefore greater on land ...
... direct rays of the sun . Again , the most copious condensation both of dew and rain is greatly influenced by vegetation and especially by forests , and also by the presence of hills and moun- tains , and is therefore greater on land ...
Page 147
... direct action of changes of climate and of food ; but they show us how varied and un- accountable are the changes in specific forms that may be effected in a comparatively short time , and by means of very slight changes of locality ...
... direct action of changes of climate and of food ; but they show us how varied and un- accountable are the changes in specific forms that may be effected in a comparatively short time , and by means of very slight changes of locality ...
Page 149
... direct relation to habits ; and they are therefore little liable to change , when from any cause a portion of the group may have been driven to adopt a new mode of life . Thus all the Old World apes , however much they may differ in ...
... direct relation to habits ; and they are therefore little liable to change , when from any cause a portion of the group may have been driven to adopt a new mode of life . Thus all the Old World apes , however much they may differ in ...
Page 151
... direct connection with the outside world , and are readily modified in accordance with varying conditions of existence . Another , though less valuable guide is afforded , in the case of birds , by the eggs . These often have a ...
... direct connection with the outside world , and are readily modified in accordance with varying conditions of existence . Another , though less valuable guide is afforded , in the case of birds , by the eggs . These often have a ...
Page 156
... direct use is apparent in any peculiarity of structure , the greater is its value in indicating true , though perhaps remote , affinities ; while any peculiarity of an organ which seems essential to its possessor's well - being is often ...
... direct use is apparent in any peculiarity of structure , the greater is its value in indicating true , though perhaps remote , affinities ; while any peculiarity of an organ which seems essential to its possessor's well - being is often ...
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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