Variation of Animals and Plants under Domestication, Outline of the Book, 163; on Sexual and Asexual Reproductions, 164, _et seq._; Extracts from Letters to Friends on Pangenesis, 178, _et seq._; “The Descent of Man,” 186; “The Expression of the Emotions,” 189; “Volcanic Islands,” 190; “South America,” 190; “The Formation of Vegetable Mould through the Action of Worms,” 191; his Life of Erasmus Darwin, 192; “Fertilisation of Orchids,” 193; Cross- and Self-Fertilisation in the Vegetable Kingdom, 194; Different Forms of Flowers on Plants of Same Species, 194; Climbing Plants, 196; “Power of Movement in Plants,” 197; “Insectivorous Plants,” 198; Letters to Prof. Meldola, 199, _et seq._; his Last Illness, 219; and Death, 220 Darwin, Erasmus, Brother of Charles, 11 Darwin, Erasmus, Grandfather of Charles, 10, 192 Darwin, Prof. George, Brother of Charles, 11 Darwin, Robert Waring, Father of Charles, 10; Profession and Character, 10; his Dislike to the “Beagle” Expedition, 21–22; Death of, 41 Darwin Medal of the Royal Society awarded to Huxley, The, 140 Darwinism not Evolution, Huxley’s Speeches, 139–141 Deposits, Oceanic, 55 Descent of Man, The, 186 Development, 166, 171 Dixey, Dr. F. A., Paper on Mimicry, 214 Domestication, Variation by, of Animals and Plants, 115, 161, _et seq._; of Animals, 75 Down, Darwin’s Home at, 35 Drosera and Other Insectivorous Plants, 198 Earthworms, 191; Castings of, 191; Papers on the, 31 Edinburgh, Darwin studying for Medicine at, 17 “Emotions, The Expression of the,” 189, 190 Evolution, First Recorded Thoughts upon, 28; Natural Selection as a Cause not accepted by Huxley, 121, _et seq._; the Argument for, 100; supported by Huxley, 121; Huxley agrees with Darwin, 121, _et seq._; Discussion at Meeting of the British Association, 82, 138; not Darwinism, 139–141 “Expression of the Emotions, The,” 189, 190 Extinction, 43–45 Fertilisation of Germ Cells, 165; “of Orchids, The,” 193; of Flowers by Insects, 193; Effects of Cross- and Self-, 194 Fitzroy, Capt., of the “Beagle,” 21, 22 Flowers, The Fertilisation of, by Insects, 193; Effects of Cross- and Self-Fertilisation compared, 194; Different Forms on the same Plant, 195 Flustra, Darwin’s Discovery of the Free-Swimming Larvæ of, 18 Forbes, Edward, and the Atlantis Hypothesis, 53 “Formation of Vegetable Mould through the Action of Worms, The,” 191 Fox, W. Darwin, 19 Galapagos Archipelago, The Animals, etc., of the, 26, 27, 42 Galton, F., 184 Geikie, James, 190 Geological Society, The, Darwin appointed Secretary, 29; Papers on the Earthworms, 31 Geology of the Voyage of the “Beagle,” 35 Glacial Phenomena, Darwin’s Paper upon, 33 Graft-Hybrids, 166 Grafting, Production of Hybrids by, 168