| The Discovery of Natural Selection
LIII. | 220 | 1896 | The Cause of an Ice Age
" | 317 | " | The Astronomical Theory of a Glacial Period
" | 553 | " | E.D. Cope's "Primary Factors of Organic
| | | Evolution"
" | 553 | " | G. Archdall Reid's "Present Evolution of Man"
LV. | 289 | 1897 | E.B. Poulton's "Charles Darwin and the Theory
| | | of Natural Selection"
LIX. | 246 | 1899 | The Utility of Specific Characters
LXI. | 273 | 1900 | Is New Zealand a Zoological Region?
LXVII. | 296 | 1903 | Genius and the Struggle for Existence
LXXV. | 320 | 1907 | Fertilisation of Flowers by Insects
LXXVI. | 293 | " | The "Double Drift" Theory of Star Motions
=======+==========+======+=================================================

INDEX

A

"Acclimatisation," Wallace's article on, ii. 11

Acquired characters, non-inheritance of (_see_ Non-inheritance)

Africa, flora of, i. 309

Agassiz, Louis, attacks Darwin's "Origin of Species," i. 142;
glacial theories of, 176;
on diversity of human races, ii. 28

Alexandria, Wallace at, i. 45-7

Allbutt, Sir Clifford, theory of generation, i. 214

Allen, Charles (Wallace's assistant), i. 39, 40, 46, 48, 49, 51, 53, 54,
60, 79

---- Grant, on origin of wheat, ii. 46;
Wallace and, 219

Alpine plants, i. 210, 311

Amazon and Rio Negro, Wallace's exploration of, i. 26-30

Amboyna, Wallace at, i. 106

America, Wallace's lecture tour in, ii. 14

"Anatomy of Expression," Bell's, i. 182

"Ancient Britain and the Invasions of Julius Caesar," Holmes's, ii. 86

Angraecum sesquipedale, i. 189 (note)

Animals and plants, distribution of, Darwin's views, i. 131

"---- ---- under Domestication," i. 112

---- geographical distribution of, i. 94, 136;
migration of, Lyell's theory, ii. 19

"Antarctic Voyage," Scott's, ii. 82

"Anthropology," Tyler's, Wallace's review of, ii. 65;
his interest in, 231 _et seq._

Antiseptic treatment, medical opposition to, ii. 241

Ants, instincts of, i. 279

Apis testacea, i. 146

Archebiosis, i. 274-6

Argus pheasant, i. 230, 289, 292

Argyll, Duke of, i. 189, 313, 315, ii. 23;
his theory of flight, 25-7

Arnold, Matthew, on Darwin's theory, ii. 228

Aru Islands, distribution of animals in, i. 132;
productions of, 161

---- pig, i. 160, 161, 162

Astronomy, Wallac