Chontales and Costa Rica, connec-
tion of forest forms, 377, 378
Chontals, 155
Christians, Icelandic, 168
Cicada, 312
Cinerary urns, 164
Citron trees, 65
Citrus aurantium, 75
lemonum, 74
medicus, 75
Clarke, Mr. Hyde, 366
Claro, Santo, 329
Clausilia, 333
Clavigero, 67; on the Xoloitz-
cuintli, 205
Climate of Nicaragua, 235
of Santo Domingo, 104
Club moss, 238
Coccidæ, 222, 226
Cockatoo of Australia, 196
Cockchafer, 127
Cock-fighting, 49
Cockroaches, 17, 174, 318
instinct of, 109
Cocoa-nut palms, 2
Cocos, 256
Cocos butyracea, 232
Calosis biloba, 84
Coffee, 4; plants, 60
Coleoptera, 315, 332, 379
Colocasia esculenta, 70
Colorado river, 2, 13, 14
Colour, differences in, correlated
with immunity from disease,
183
Columbus, Christopher, 3
Colymbetes, 331
Comayagua, plain of, 378
DAINTREE, Mr. R., on auriferous
veinstones, 96
Darailly, 248
Darlingtonia Californica, 184
Darwin on animals and plants,
332; on continual varieties in
the same direction, 208; on
the effect of slight differences
of colour, 182; on fertilisation
of scarlet runner, 70; on fossil
maize in Peru, 54; on fresh-
water mollusks, 334; on the
humble bee, 132; on migrations
of butterflies, 153; on natives
of Terra del Fuego, 172
Decomposition of the rocks in
the forest region, 86
Deer, 252
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