Classes, social, 179 f., 209-309; open, 239 ff.; open, in relation to wealth, 248 ff.; capitalist, 256 ff.; organization of the ill-paid, 284 ff.; hostile feeling between, 301. Classical culture, 388 f. Clergymen, facial expression of, 67. Commercialism, 167; in relation to art, 173 f., 261, 346, 383 ff. Commons, J. R., 286. Communication, 54; significance of, 61 ff.; growth of, 66 ff.; modern, a cause of enlargement and animation, 80 ff.; modern, in relation to individuality, 91 ff.; in relation to superficiality and strain, 98 ff.; in relation to crowds, 151, 180, 191; in relation to caste, 226 f., 338 f. Community ideal, the, 33 ff., 52, 305. See also We-feeling and Moral unity. Compensation, principle of, in social organization, 55 ff., 115, 118. Competition, 35, 56, 158, 199 ff., 210, 226 f., 235, 239 f., 244, 323. See also Survival of the fittest. Comte, 237. Conflict. See Competition. Confusion, in relation to art and literature, 162 ff.; to sentiment, 193. See also Disorganization. Conquest, a cause of caste, 221. Conscience, public, 387. Consciousness, growth of in history, 107 ff. Consciousness, public, 10 ff., 82, 411 ff. Consciousness, social, 4 ff.; development of in children, 7 ff., 71, 350. Conservatism, 327 ff. Constitution of the United States, 314, 398. Convention and tradition, 335 ff. Conventionalism, 339 ff. Cornish, F. W., 224. Cost of change, 418 f. Country life, effects of, 93 f., 178 f. Courage, 187. Creeds, 375 ff., 418. Crime, 202 f. Crises, commercial, 418. Crowd excitement, in relation to democracy, 149 ff. Crowds, psychology of, 149 ff. Cuba, 322. Culture groups and types, 163 ff., 243, 388 f. Dante, 36, 70, 165, 173, 190, 388. Darwin, 29, 67, 189, 295, 321. Dead-level theory, 93, 159 ff. Declaration of Independence, 48, 134. Dellenbaugh, F. S., 108. Demand, economic, often degrading, 141. Democracy, among children, 45; source of its ideals, 51; dependent upon printing, 75; relation to modern communication, 85 ff.; an inadequate name, 86; as mental organization, 105-205; a discipline in self-control, 152; and distinction, 157 ff.; in relation to wealth, 278 ff.; to childhood, 318, 329, 334, 398. Descartes, 5 ff. Determinism, moral value of, 19 f. De Tocqueville, Alexis, 27, 92, 99, 101, 116, 159, 172, 175, 235, 329, 398. Devine, E. T., 297. Dialects, revival of, 96. Diffusion, a result of modern communication, 81; possibilities of, 87; not opposed to selection, 88; zeal for, 174; the age of, 175. Dill, Samuel, 114. Discussion. See Opinion. Disorganization, spiritual, 162 ff., 347 ff.; in the family, 356 ff.; in the church, 372 ff.; in industry, 383 ff.; in education and culture, 386 ff.; in fine art, 389 ff.