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ERRATUM.

Ат page 59 I have said that there are only three or four species of Mimosa which are sensitive. This is a mistake, as the greater portion of the species in the extensive genus Mimosa, as well as some species of several other genera of Leguminosa, and also of Oxalidaceae, possess this curious property. I cannot find, however, that any one has suggested in what way the sensitiveness may have been useful to the species which first acquired it. My guess at an explanation may therefore induce botanists who are acquainted with the various species in a state of nature, to suggest some better solution of the problem.

INDEX.

A.

Abrus precatoria, perhaps a case of
mimicry, 226

Absorption-colours or pigments, 183
Acræidæ, 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

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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, 61

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 large serpents, 115

on the habits of humming birds,

132

Bats, 118

Beetles, 94

abundance of, in New Forest-clear-
ings, 96

probable use of horns of, 202
Belt, Mr. on virgin forests of Nicaragua,

62

on aspects of tropical vegetation, 67
on leaf-cutting ants, 86

on an Acacia inhabited by ants, 89
on uses of ants to the trees they
live on, 90

on a leaf-like locust, 93
on tree-frogs, 116

on the habits of humming-birds,
133, 134

on uneatable bright-coloured frog,

175

on use of light of glow-worm, 205
Betel-nut, 45

Bill of humming-birds, 129
Biology, by-paths of, illustrated, 251
Birds, 99

how many known, 124

cases of local variation of colour
among, 262

influence of locality on colours of,
255

which fertilize flowers, 273, 274

and insects blown to oceanic islands,
308

of Palearctic Region, 316
of Ethiopian Region, 318
of Oriental Region, 320
Bonelli, Mr., on the Sappho comet
humming-bird, 132

Bullock on food of humming-birds, 153
Buprestidæ, 94

Burchell, Dr., on the "stone mes-
embryanthemum," 223

Butterflies, abundance of, in tropical
forests, 72

conspicuousness

forests, 73

of in tropical

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Campylopterus hemileucurus, pugna-
cious and ornamental, 214
Cattleyas, 51

Cecropias, trees inhabited by ants, 89
Celebes, large and peculiarly formed
butterflies of, 259

white-marked birds of, 263
Centipedes, 97

Ceylon and Malaya, resemblances of
fauna of, 327
Chameleons, 113

Chameleon, cause of changes of its
colour, 170

Chemical action changes colours, 183
Chili, humming-birds of, 141
Chiroptera, 119

Chrysobactron Rossii, 238

Clark, Rev. Hamlet on leaf-cutting
ants, 86

Climate of Equator, general features of,

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DANAIDE, warning colours of, 174
Danainæ, Acræinæ and Heliconiinæ,
local resemblances of, 256

Daphne pontica, 230

Darwin, Mr., on mode of cross-fertiliza-
tion and its use, 228

not too highly rated, 252

on vegetation of Galapagos, 272
on use of scented leaves, 277

on former union of West Indian
islands and S. America, 306
on oceanic islands, 307
revolution in thought effected by,
284

Deserts on line of tropics, 28
Desmoncus, 41

De Vry, Mr., on the sugar-palm, 43
Dews, cause of heavy tropical, 10

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