“Earthworms,” Darwin’s, i. 320, ii. 2

Edinburgh, Darwin in, i. 16, 17

Education, Wallace’s views of, ii. 147

Edwards, W.H., “Voyage up the Amazon,” i. 25

Eight hours’ day, Wallace on, ii. 156

“Encyclopedia of Plants,” London’s, i. 21, 23, 92

Entomological Society, i. 35;
  discussion on mimicry at, 176;
  Wallace’s Presidential Address to, 126

Eocene Period, i. 308, 312

Epping Forest, superintendency of, Wallace and, i. 302-4, 306

Erotylidae, i. 65

Erskine of Linlathen on evolution, ii. 228

“Essays on Evolution,” Poulton’s, ii. 61 (note), 79 (note), 84, 85

“——­ upon Heredity,” Weismann’s, ii. 45, 51, 52

Eugenics, ii. 160, 246;
  term disliked by Wallace, 150, 246;
  and segregation of unfit, letter from Wallace on, 160

Evans, Miss, ii. 226

Evil, origin of, ii. 149

Evolution, theory of, Lamarck and, i. 1, 109;
  Lyell and, 76, 142, 239;
  as conceived in “Vestiges of Creation,” 91, 92 (note) et seq.;
  Darwin and, 103 et seq., 122-4;
  notable converts to, 137, 139, 141, 219, 221, 239;
  Wallace’s views on, 240, 256, 294, ii. 78, 94, 95;
  Sir W.T.  Thiselton-Dyer on, 97, 185.
  (See also Selection)

“——­ and Adaptation,” Morgan’s, ii. 79

——­ and Mendelism, Wallace on, ii. 93

“Evolution of the Stellar System, Researches on,” ii. 178

“——­ Theories of,” Poulton’s, ii. 61

“Evolutionist at Large,” ii. 46

“Expanse of Heaven,” Proctor’s, ii. 80

“Exposition of Fallacies in the Hypotheses of Darwin,” Bree’s, i. 271
  (note), 272-3

“Expression, Anatomy of,” Bell’s, i. 182

——­ in the Malays, i. 182, 191

“——­ of the Emotions,” Darwin’s, i. 279, ii. 2;
  review of, i. 280-1

“Expressiveness of Speech, etc., in the Origin of Language,” Wallace’s,
  ii. 65

F

Facsimile of Wallace’s inscription on envelope containing his first
  eight letters from Darwin, i. 128

Faraday on Spiritualism, ii. 188

Farmer, W.J., ii. 101

Farrer, Mr., i. 304

Fauna, British, i. 307

Felis of Timor, i. 138

Fellenberg and R.D.  Owen, ii, 225

Ferns, Lawrence on, ii. 40

“Fertilisation of Orchids,” Darwin’s, i. 189 (note), ii. 2

——­ self- and cross-, i. 169, 297, ii. 46

Finger-prints, Gallon’s papers on, ii. 48-9

“First Principles,” Spencer’s, Wallace’s admiration of, i. 125

Fish, sexual differences in, i. 178

Fisher, Mrs. (see Buckley, Miss)

——­ O., “Physics of the Earth’s Crust,” Wallace on, ii. 74

FitzRoy, Capt., i. 33

Flight, theory of, i. 145-6, ii. 25 et seq.