Conscience, evolution of, i. 263 "Contributions to the Theory of Natural Selection," Wallace's, i. 94, 250, 252, ii. 5, 6 Cooke, Kate, medium, ii. 193, 194, 195 Co-operation, Wallace on, ii. 151-2 Cope, E.D., ii. 47 Copley Medals awarded to Wallace, ii. 128, 222 Coral islands, Lyell on, ii. 22 "---- Reefs," Darwin's, ii. 2 ---- snakes, i. 187 Crawford, Marion, one of Wallace's favourite authors, ii. 131 "Creation by Law," Wallace's article on, i. 188, 192, ii. 6 "Creative Thought," Sir Wm. Barrett's, ii. 212-13, 249 "Creed of Science," Graham's, i. 318 Croll, James, i. 242, 305, 313, ii. 5, 13 Crookes, Sir W., and psychical research, ii. 87, 189, 191, 205; and Westminster Abbey memorial to Wallace, 253 Cross- and self-fertilisation, i. 169, 297, ii. 46 "Cross Unions of Dimorphic Plants," Darwin's, i. 218 "Crossing Plants," Darwin's, i. 296 Crotch, G., i. 262 D "Darwin and After Darwin," Romanes', ii. 50 "---- and his Teachings," i. 170 "---- and 'The Origin,'" Poulton's, ii. 88 (note) ----, Charles, i. 1, 2; birth of, 5; autobiography, 5, 23 (note); ancestors, 6; at Shrewsbury Grammar School, 12; natural history tastes, 12; as angler, 12; egg-collecting, 12; humanity of, 13; leaves Shrewsbury Grammar School, 15; fondness for shooting, 16; at Cambridge, 16; medical studies, 16; theological studies, 17, ii. 184; tours in North Wales, i. 18; beetle-hunting, 18, 114; voyage in the _Beagle_, 18; theory of Natural Selection, 102, 107; reading, 103; visits Maer and Shrewsbury, 103; experiments, 103; Huxley and, 104; at work on Species and Varieties, 107; at Down, 109; receives presentation copy of Spencer's Essays, 124; appreciation of Wallace's magnanimity, 134, 137, 139, 141, 153, 164, 242, 252, 287, 304; falls from his horse, 243; on Wallace's review of "Descent of Man," 260-2; criticism of Wallace's "Geographical Distribution," 286, 289; at Dorking, 288; promotes memorial to City Corporation in favour of Wallace, 303; acknowledgment of "Island Life," 307-8; on migration of plants, 307 (note), 312; memorial to Gladstone on behalf of Wallace, 313; death of, 318