Page:Darwinism by Alfred Wallace 1889.djvu/503

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INDEX

A

Abbott, Dr. C.C., instability of habits of birds, 76
on American water-thrushes (Seiurus), 117
Mr., drawings of caterpillars and their food plants, 203

Accessory plumes, development and display of, 293

Acclimatisation, 94

Achatinellidae, Gulick on variations in, 147

Acquired characters, non-heredity of, 440

Acraeidae, mimicry of, 247

Adaptation to conditions at various periods of life, 112

Adolias dirtea, sexual diversity of, 271

Aegeriidae, mimicry by, 240

Agaristidae, mimicry of, 246

Agassiz, on species, 5
on North American weeds, 15

Agelaeus phoeniceus, diagram showing variations of, 56;
proportionate numbers which vary, 64

Albatross, courtship of great, 287

Allen, Mr. Grant, on forms of leaves, 133
on degradation of wind-fertilised from insect-fertilised flowers, 325 (note)
on insects and flowers, 332
on production of colour through the agency of the colour sense, 334
Mr. J.A., on the variability of birds, 50

Allen, Mr. J.A., on colour as influenced by climate, 228

Alluring coloration, 210

American school of evolutionists, 420

Anemone nemorosa, variability of, 78

Animal coloration, a theory of, 288
general laws of, 296
intelligence, supposed action of, 425
characteristics of man, 454

Animals, the struggle among, 18
wild, their enjoyment of life, 39
usually die painless deaths, 38
constitutional variation of, 94
uses of colours of, 134
supposed effects of disuse in wild, 415
most allied to man, 450

Antelopes, recognition marks of, 219

Anthrocera filipendula inedible, 235

Apples, variations of, 87

Arctic animals, supposed causes of white colour of, 191

Argyll, Duke of, on goose reared by a golden eagle, 75

Artemia salina and A. milhausenii, 426

Asclepias curassavica, spread of, 28

Asses running wild in Quito, 28

Attractive fruits, 306

Australia, spread of the Cape-weed in, 29
fossil and recent mammals of, 392

Azara, on cause of horses and cattle not running wild in Paraguay, 19

Azores, flora of, supports aerial transmission of seeds, 368