INDEX. 



A. 



Ahrus precatorta, perhaps a case of 



mimicry, 226 

 Absorption- colours or pigments, 183 

 AcrEeidte, warning colours of, 174 

 Adaptive characters, 150, 155 

 Affinities, how to determine doubtful, 



148 



African large mammalia, recent immi- 

 grants, 323 



Allen, Mr, Grant, on protective colours 

 of fruits, 225 



Alpine flowers, why so beautiful, 232 



Amboyna, large sized butterflies of, 258 



American monkeys, 118 



American Continents, past history of, 

 332 



Ancient races of North and South 



America, 298 

 Andaman Islands, pale butterflies of, 



260 



white-marked birds of, 263 

 Anderson, Mr. W. Marshall, on cranium 



from N. American mound, 296 

 Andes, very rich in humming-birds, 139 

 Animal colours, how produced, 134 



life in tropical forests, 70 

 Anthribidge, 95 

 Auts, wasps, and bees, 80 



numbers of, in India and Malaya, 

 81—88 



destructive to insect-specimens, 85 

 and vegetation, special relation 

 between, 89 

 Apntnra and Heterochroaj resemblance 



of species of, 257 

 Apes, 116 



A<iueous vapour of atmosphere, its 

 influence on temperature, 9 



quantity at Batavia and Clifton, 10 

 Arctic plants, large leaves of, 236 



flowers and fruits brightly coloured, 

 237 



Areca palm, 45 

 Arevga sacchar^fcra, 43 



Argus- pheasant, wonderful plumage of, 



205 

 Arums, 48 



Assai of the Amazon, 43 

 Auckland Isles, handsome flowers of, 

 238 



Audubon, on the ruby humming-birds, 

 130, 137 



Australian Region, mammalia of, 340 

 birds of, 340 

 extinct fauna of, 341 

 its supposed union with S. America, 

 341 



Azara, on food of humming-birds, 135 



B. 



Bamboos, 52 



uses of, 53 — 58 

 Bananas, wild, 47 

 Banana, 48 



Barber, Mrs. on colour changes of pupa 



of Papilio nireus, 168 

 Barbets, 105 



Bark, varieties of in tropical forests, 33 

 Barometer, range of, at Batavia, 24 

 Batavia, Meteorology of, 4 



and London, diagram of mean 



temperatures, 5 

 greatest rainfall at, 24 

 range of barometer at, 24 

 Bates, Mr. on climate at the Equator, 24 

 on scarcity of forest-flowers on 



Amazon, 6] 

 on animal life in Amazon valley, 70 

 on abundance of butterflies at Ega, 

 75 



on importance of study of butter- 

 flies, 78 



on leaf-cutting ants, 86 



on blind ants, 88 



on bird-catching spider, 97 



on use of toucan's bill, 106 



on lai'ge serpents, 115 



on the habits of humming-birds, 

 132 



