Chapter L

Land and sea, peculiar distribution of, 311
existing distribution of, very
ancient, 312

Leaf-insects, 92

Leaves, supposed use of odours of, 277

Lemuria, an hypothetical continent, not required, 328

_Leopoldinia major_, 45

Lepidoptera, diurnal, 72

Leptalis, a good case of mimicry, 189

_Leptena erastus_, 256

Light, theory of, as producing colours, 161
action of, on plants, 222
supposed direct action of, on colours
of flowers and fruits, 236

Lizards, 111

Local causes of colour-development, 216

Locusts, richly-coloured tropical, 94

Longicorns, 95

_Lophornis ornatus_, very pugnacious, 214

Lord Howe’s Island, white rail in, 264

Lubbock, Sir John, on colour-perception in insects, 255