Butterflies, Wallace's study of, i. 24;
of South America, 30;
of Malay Archipelago, 41-2;
protective adaptation of, 140;
variation and distribution of, 149;
mimetic, 167, 168, 176, 178, 189 (note), 200, 213, 217, 224, 254, 300;
sexual selection of, 179, 260 (note);
flight of, ii, [26]

C

Cambridge, Darwin at, i. 16, 17

—— Philosophical Society, attacks on "Origin of Species" at, i. 142

Campbell-Bannerman, Sir Henry, ii. [146]

Carbon, deposits of, i. 298

Carlyle, Thomas, ii. [228]

Carpenter, Dr., his controversies with Wallace, ii. [195], [198]

Carroll, Lewis, Wallace's quotations from, ii. [105]

Casuarius, query from Darwin on, i. 239