Apis testacea, i. 146 Archebiosis, i. 274-6 Argus pheasant, i. 230, 289, 292 Argyll, Duke of, i. 189, 313, 315, ii. 23; his theory of flight, 25-7 Arnold, Matthew, on Darwin's theory, ii. 228 Aru Islands, distribution of animals in, i. 132; productions of, 161 ---- pig, i. 160, 161, 162 Astronomy, Wallace's works on, ii. 167 _et seq._; lectures at Davos on, 168 "Australasia," Wallace's, i. 42 Australia, fauna and flora of, ii. 10, 20, 32-3 ---- Wallace invited to lecture in, ii. 155 Avebury, Lord, i. 122, 137, 164; signs memorial to City Corporation in Wallace's favour, 303; and the Civil List pension to Wallace, 305 ---- letter from, on Wallace's biography, and Spiritualism, ii. 212 Azores, birds of, i. 138; orchids of, 311 B "Bad Times," Wallace's, ii. 109, 143 Baer, von, ii. 96 Bahamas, flora of, ii. 33 Baker, J.G., on alpine plants of Madagascar, i. 311-12 Balfour, Francis, i. 315 Bali, fauna of, ii. 19-20 Ball, Sir Robert, on solar nebula, ii. 174 "Barnacles," Darwin's, ii. 2 Barrett, Sir W.F., paper on "Phenomena associated with Abnormal Conditions of the Mind," ii. 195; on Wallace as lecturer, 201; inquiry into dowsing, etc., 205; invites Wallace's criticism of "Creative Thought," 212; last visit to Wallace, 248-9 ---- letters from: on Presidency of Psychical Research Society, ii. 210-11; on a Supreme Directive Power, 213-14 Bartlett, on colouring of male birds, i. 302 Bates, F., i. 69 ---- H.W., i. 24, 25; explores the Amazon, 26-30 ---- ---- letter from, on "Law regulating Introduction of New Species," i. 64 Bates's caterpillar, i. 178, 253 Bateson, Prof., Sir W.T. Thiselton-Dyerson, ii. 91 ---- "Material for Study of Variation," ii. 60-1 Bats, fruit-eating, i. 57 _Beagle_, Darwin's voyage in the, i. 19, 31, 32, 33, 43 "------, Voyage of the," i. 31, 32, 34, ii. 2 Bee's cell, Prof. Haughton's paper on the, i. 148 Bees' combs, i. 135; a honeycomb from Timor, 143, 146 Beetles, Darwin's zeal for collecting, i. 18; Wallace's study of, 24; South American, 30; Wallace's collection of, 38,114 "Beginnings of Life," Bastian's, i. 274 Bell, Sir C., i. 182 Belt, Mr., glacial theory of, i. 298 Bendyshe, Mr., i. 165 Bennett, A.W., i. 253 Bentham, G., i. 219 Bergson, Wallace on, ii. 98 Bermuda, birds of, i. 138 Best, Miss Dora, letter to, on Welsh offer of a degree to Wallace, ii. 222 Biology and geographical distribution, Wallace's works on, ii. 1-17; correspondence on, 18-102 ---- "Grand Old Men" of, ii. 12 (note) Birch, Mr. F., ii. 177, 223-4 Bird of paradise, i. 41, 44, 238, 261 Birds, flight of, i. 145-6, ii. 25 _et seq._; colour problem of, i. 184, 185, 212, 226-9, 230, 252, 289 (note), 302; polygamous, 194, 199; migration of, ii. 19, 20; instincts of, 54 Birds' nests, i. 134, 191, 212, 213, 252 "---- ---- and Plumage," Wallace's, i. 191 "---- ---- Philosophy of," Wallace's, i. 212, ii. 6, 8 Blackbird, crested, i. 163