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 fertilization
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

hunter, 252
Defoliation of tree, 72

trees, 6

Humble bee, 70

Humboldt on hairless dogs, 205

on origin of the Mexican

and Eastern Asiatics,
3.70-373

on origin of whirlwinds,

301

of, 55

abundance of, 139

nests of, 140

rapidity of flight,

140
bathing, 137
fertilising flowers,

131
tongue of, 113

Humuya valley, 378
Hydrophilidæ, 331

Hydrophilus, 331