Tropical Nature, and Other EssaysMacmillan and Company, 1878 - 356 pages |
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Page vii
... tints of flower and bird and insect . Each strange and beautiful object has been described in detail ; and both the scenery and the natural phenomena of the tropics have been depicted by master hands and with glowing colours . But , so ...
... tints of flower and bird and insect . Each strange and beautiful object has been described in detail ; and both the scenery and the natural phenomena of the tropics have been depicted by master hands and with glowing colours . But , so ...
Page 1
... tints of spring , summer , and autumu , succeeded by the leafless boughs of winter , are constantly recurring phenomena which represent to us the estab‐ lished course of nature . At the equator none of these changes occur ; there is a ...
... tints of spring , summer , and autumu , succeeded by the leafless boughs of winter , are constantly recurring phenomena which represent to us the estab‐ lished course of nature . At the equator none of these changes occur ; there is a ...
Page 67
... tints , the bright browns and yellows of English woods ; much less the crimsons , purples , and yellows of Canada , where the dying foliage rivals , nay , excels , the expiring dolphin in splendour . Unknown the cold sleep of winter ...
... tints , the bright browns and yellows of English woods ; much less the crimsons , purples , and yellows of Canada , where the dying foliage rivals , nay , excels , the expiring dolphin in splendour . Unknown the cold sleep of winter ...
Page 92
... tint , exactly corresponds to that of the leaves of their food - plant ; and as they rest motion- less during the day , only feeding at night , they the mote easily escape detection . In Java they are often kept alive on a branch of the ...
... tint , exactly corresponds to that of the leaves of their food - plant ; and as they rest motion- less during the day , only feeding at night , they the mote easily escape detection . In Java they are often kept alive on a branch of the ...
Page 94
... tints . They abound on fallen tree - trunks and on foliage , in the hottest sunshine , and are among the most brilliant ornaments of the tropical forests . Some parts of the temperate zone , especially Australia and Chili , abound in ...
... tints . They abound on fallen tree - trunks and on foliage , in the hottest sunshine , and are among the most brilliant ornaments of the tropical forests . Some parts of the temperate zone , especially Australia and Chili , abound in ...
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Common terms and phrases
abundant adapted Africa allied Amazon animals ants Asia attract bamboo Batavia beautiful become birds blue brilliant butterflies carnivora causes changes characteristic climate colour Colours of Animals comparatively conspicuous continent curious Danaida Darwin distinct Eocene equator equatorial zone Europe 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 inches inhabitants insects islands Juan Fernandez land larvæ leaves lemurs less light Madagascar Malay Archipelago male mammalia marsupials Miocene Moluccas monkeys natural selection North northern observed occur ocean ornaments Palearctic parrots peculiar perhaps phenomena plants plumage probably produced proportion protection rays region remarkable resemble sexual sexual selection showy sometimes South America species spots sun-birds surface tail temperate zones temperature theory tints tion trees TROPICAL NATURE trunks variation varied variety vegetation whole wings yellow
Popular passages
Page 246 - ... do butterflies — probably because the causes which determine colour are in their case more complex — yet there are distinct indications of some effect of the kind, and we must devote some little time to their consideration. One of the most curious cases is that of the parrots of the West Indian islands and Central America, several of which have white heads or foreheads, occurring in two distinct genera,1 while none of the more numerous parrots of South America are so coloured.
Page 55 - Morning and evening the howling monkeys make a most fearful and harrowing noise, under which it is difficult to keep up one's buoyancy of spirit. The feeling of inhospitable wildness which the forest is calculated to inspire is increased tenfold under this fearful uproar. Often, even in the still hours of midday, a sudden crash will be heard resounding afar through the wilderness, as some great bough or entire tree falls to the ground.
Page 144 - We now propose to lay before our readers a general account of the more recent discoveries on this interesting subject ; and in doing so it will be necessary first to give an outline of the more important facts as to the colours of organised beings ; then to point out the cases in which it has been shown that colour is of use ; and lastly, to endeavour to throw some light on its nature and on the general laws of its development.
Page 24 - Languor and uneasiness would seize on every one ; even the denizens of the forest betraying it by their motions. White clouds would appear in the east and gather into cumuli, with an increasing blackness along their lower portions. The whole eastern horizon would become almost suddenly black, and this would spread upwards, the sun at length becoming obscured.
Page 24 - In Europe, a woodland scene has its spring, its summer, its autumnal, and its winter aspects. In the equatorial forests the aspect is the same or nearly so every day in the year : budding, flowering, fruiting, and leaf-shedding are always going on in one species or other.
Page 226 - The fact that the higher vertebrates, and even some insects, distinguish what are to us diversities of colour by no means proves that their sensations of colour bear any resemblance whatever to ours. An insect's capacity to distinguish red from blue or yellow may be (and probably is) due to perceptions of a totally distinct nature...
Page 152 - The caterpillar feeds on the orange tree, and also on a forest tree (Vepris lanceolata) which has a lighter green leaf, and its colour corresponds with that of the leaves it feeds upon, being of a darker green when it feeds on the orange. The chrysalis is usually found suspended among the leafy twigs of its food-plant, or of some neighbouring tree ; but it is probably often attached to larger branches, and Mrs. Barber has discovered that it has the property of acquiring the colour, more or less accurately,...
Page 238 - ... with are — the influence of locality, or of some unknown local causes, in determining the colours of insects, and, to a less extent, of birds ; and the way in which certain peculiarities in the distribution of plants may have been brought about by their dependence on insects. The latter part of my address will deal with the present state of our knowledge as to the antiquity and early history of mankind.
Page 107 - In the one, evolution has had a fair chance; in the other it has had countless difficulties thrown in its way. The equatorial regions are then, as regards their past and present life history, a more ancient world than that represented by the temperate zones, a world in which the laws which have governed the progressive development of life have operated with comparatively little check for countless ages, and have resulted in those...
Page 47 - Not less so are the cecropia trees, with their white stems and large palmated leaves standing up like great candelabra. Sometimes the ground is carpeted with large flowers, yellow, pink, or white, that have fallen from some invisible tree-top above, or the air is filled with a delicious perfume, for the source of which one seeks around in vain, as the flowers that cause it are far overhead out of sight, lost in the great overshadowing crown of verdure.