Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page 18
... believe that it materially differs in Guinea or the Congo . In certain localities , however , a more contrastéd wet and dry season prevails , with a somewhat greater range of the thermometer . This is generally associated with a sandy ...
... believe that it materially differs in Guinea or the Congo . In certain localities , however , a more contrastéd wet and dry season prevails , with a somewhat greater range of the thermometer . This is generally associated with a sandy ...
Page 61
... believe it is now tolerably well ascer- tained that the majority of the forest - trees in equatorial Brazil have small and inconspicuous flowers . " 1 My friend Dr. Richard Spruce assured me that by far the greater part of the plants ...
... believe it is now tolerably well ascer- tained that the majority of the forest - trees in equatorial Brazil have small and inconspicuous flowers . " 1 My friend Dr. Richard Spruce assured me that by far the greater part of the plants ...
Page 85
... believe they were not the work of man , or at least of some burrowing animal . In these underground caves the ants store up large quantities of leaves , which they obtain from living trees . They gnaw out circular pieces and carry them ...
... believe they were not the work of man , or at least of some burrowing animal . In these underground caves the ants store up large quantities of leaves , which they obtain from living trees . They gnaw out circular pieces and carry them ...
Page 179
... believe to be one of the chief causes of the dull colour of female birds when their partners are gaily coloured . This subject is fully argued in my Contribu- tions , & c . , chapter vii . As the colours of plants and flowers are very ...
... believe to be one of the chief causes of the dull colour of female birds when their partners are gaily coloured . This subject is fully argued in my Contribu- tions , & c . , chapter vii . As the colours of plants and flowers are very ...
Page 196
... believe , a very important purpose and use of the varied colours of the higher animals , in the facility it affords for recognition by the sexes or by the young of the same species ; and it is this use which probably fixes and ...
... believe , a very important purpose and use of the varied colours of the higher animals , in the facility it affords for recognition by the sexes or by the young of the same species ; and it is this use which probably fixes and ...
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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