a, 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._

Flora, endemic, ii. 43

"Floral Structures," Henslow's, ii. 46

Flourens' criticism of Darwin's theory, i. 160

Flowers, tropical, i. 238;
cleistogamic, 298

Flustra, Darwin's article on larvae of, i. 16

Forbes, Dr. Henry, ii. 12 (note);
estimation of Wallace, 229-33, 239

---- Prof., i. 96, 99, 100, 132, 139, 189, 248

Forel and Darwin, i, 294, 296

"Forms of Flowers," Darwin's, i. 298

Fossils, i. 20

"Foundations," Sir F. Darwin's, ii. 92

Free trade and monopoly, Wallace's views on, ii. 152

"Freeland," Wallace's opinion of, ii. 114

"Fuel of the Sun," M. Williams's, i. 263-4

G

Galapagos Islands, i. 97, 103;
fauna of, i. 295, ii. 13

Galaxias, i. 290

Galton, Sir Francis, on heredity, ii. 45;
on organic stability, 60;
introduces term Eugenics, 246

---- letter from, on finger-marks, ii. 48-9

Gaertner, i. 195

Geach, C., i. 79, 191, 245

Geddes, Prof. Patrick, ii. 12 (note), 41, 43

Geikie, Sir A., i. 122, ii. 71, 253

General Enclosure Act, ii. 140

"Genesis of Species," Mivart's, i. 257, 264, 265-7, 291, ii. 31

Geodephaga, exotic, i. 69

Geographical distribution and biology, Wallace's writings on, ii. 1-17;
correspondence on, 18-102

"---- ---- of Animals," Wallace's, i. 42, 286, ii. 1-2, 8, 32, 233,
286-7, 289-94

"---- ---- of Mammals," Murray's, i. 181

"---- ---- of Plants," Sir W.T. Thiselton-Dyer's, ii. 90

Geographical distribution of plants and animals, i. 94, 95, ii. 13

Geography, old-time teaching of, i. 11;
organic, 95;
zoological, ii. 9

"Geological Climates and the Origin of Species," Wallace's, ii. 5

---- distribution of plants and animals, i. 94, 95, 136

"---- History of Man," Lyell's, i. 142

"---- Observations on South America," Darwin's, ii. 2

---- time, Wallace's paper on, i. 249

Geology, Darwin's studies in, i. 16, 17

George, Rt. Hon. D. Lloyd, Wallace's letter to, on the railway