McDougall, William, on inheritance of acquired characters, 85. Maine de Biran, self-dissection, 280. Manner, D.’s, 188. Marriage of cousins, D. and, 136. Mendel, Gregor, experiments, 124. Milton, John, D.’s appreciation, 146. Missing links in evolutionary theory, 113. Missionaries, D.’s attitude, 159. Mistakes, D.’s attitude, 77. Mivart, St. G. J., and evolution and religion, 238. Montesquieu, on study, 277. Moody, D. L., absorption of interest, 129; and prayer, 162; and God, 167; and hell and heaven, 227, 228. Moore, Thomas, on children, 196. Morality. _See_ Ethics. Morgan, Lloyd, and evolution, 235. Music, D.’s attitude, 140-42. Native, utilitarian and æsthetic observation, 10-13; D. and appreciation, 148, 153-56; elements of enjoyment, 149-53. Natural selection, D.’s term and theory, 5, 90; modification of theory, 119-21, 124. _See also_ Evolution. Neuter insects, and evolutionary theory, 113. Nietzsche, F. W., effect of evolution on, 241. Norton, C. E., on D., 168, 170. Objections, in D.’s logical processes, 71. Observation, D.’s scientific trait, 6, 14, 19-21; as general trait, 6-8; by women, 8; exclusive, 8; of humanity, 9, 267, 268; of nature, change in character, 10; ulterior, 11; æsthetic, 11; delight, 12, 38, 148-54; Thoreau, 13; D.’s comments, 15; D.’s general trait, 16; his study of expression, 17-19; D. and accuracy, 21; accuracy in statement, 22-24; D. and information from others, 19, 23; mathematical, and instruments, 24; detailed, 25; D.’s industry and patience, 27-29; need of patience, 29; system, 30, 31; comparison, 31; difficulties and discomforts, 32-34; and sympathy, 34-36; effect of D.’s physical limitations, 36, 37; knowledge as aid, 38-40; effect of evolution on, 40-43. _See also_ Deduction; Scientific spirit. _Origin of Species_, publication, effect, 5, 96; exposition, 63; revisions, 73, 118; success, 122. Osborn, H. F., on D.’s observation, 14; on D. and Lamarck, 87; on D. and criticism, 105; on D.’s change in attitude, 120; on D.’s fame, 124; on D.’s appearance, 168; on ethical effect of evolution, 222. Owen, Sir Richard, and evolution, 103, 107, 111. Oxford, Bishop of, attack on evolution, 103. Pangenesis, D.’s theory, 68. Parker, G. H., on evolution, 125. Pascal, Blaise, on man, 275. Pasteur, Louis, and objections, 72; scientific ardor, 265. Patience, D.’s, 28; element in scientific spirit, 29, 253. Pearson, Karl, on D. and imagination, 51. Pedantry, and scientific spirit, 257. Perry, R. B., on evolution, 125. Pessimism, and evolution, 233; Sainte-Beuve’s, 272, 276; Goethe’s, 274. Philosophy, D. and self-analysis, 16; D. and metaphysics, 69; evolutionary, 233. Poetry, D.’s attitude, 146-48; Sainte-Beuve and, 268. Politics, D. and, 131-33; influence of evolution, 222. Pragmatism, and evolution, 234. Prayer, D.’s attitude, 161-63. Primogeniture, D.’s attitude, 136. Pugnacity, and scientific spirit, 261. Realism, as fruit of evolution, 225.