Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page 25
... period of the day ( the first two hours after sunrise ) the sky was invariably cloudless , the ther- mometer marking 72 ° or 73 ° Fahr .; the heavy dew or the previous night's rain , which lay on the moist foliage , becoming quickly ...
... period of the day ( the first two hours after sunrise ) the sky was invariably cloudless , the ther- mometer marking 72 ° or 73 ° Fahr .; the heavy dew or the previous night's rain , which lay on the moist foliage , becoming quickly ...
Page 44
... period . Another most impor- tant consideration is , that these trees will grow on poor rocky soil and on the steep slopes of ravines and hill- sides where any ordinary cultivation is impossible , and a great extent of fertile land ...
... period . Another most impor- tant consideration is , that these trees will grow on poor rocky soil and on the steep slopes of ravines and hill- sides where any ordinary cultivation is impossible , and a great extent of fertile land ...
Page 66
... periods ; and the never - ceasing struggle for existence between the various species in the same area has resulted in a nice balance of organic forces , which gives the advantage , now to one , now to another , species , and prevents ...
... periods ; and the never - ceasing struggle for existence between the various species in the same area has resulted in a nice balance of organic forces , which gives the advantage , now to one , now to another , species , and prevents ...
Page 122
... periods have devas- tated the temperate zones , and destroyed most of the larger and more specialized forms which during more favourable epochs had been developed , the equatorial lands must always have remained thronged with life ; and ...
... periods have devas- tated the temperate zones , and destroyed most of the larger and more specialized forms which during more favourable epochs had been developed , the equatorial lands must always have remained thronged with life ; and ...
Page 141
... period , just before any humming - birds had reached these islands . At that time a species of this peculiar genus , Eustephanus , must have inhabited Chili ; but we must not be sure that it was identically the same as that which is now ...
... period , just before any humming - birds had reached these islands . At that time a species of this peculiar genus , Eustephanus , must have inhabited Chili ; but we must not be sure that it was identically the same as that which is now ...
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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