350 
155, 165, 167, 189, 221, 241, 247, 248, 
252; -revolution, 103. 
Inequality, 26, 104, 143, 163, 206, 296. 
Infancy, prolongation of, 214, 309. 
Infanticide, 64, 154. 
Ingenuity, 179. 
Inheritance, 33, 57, 67, 69, 154, 178, 245. 
See also Use-inheritance. 
Initiative, 287. 
Injustice, 144. 
Innovation, Innovator, 136, 178, 229, 
235, 257, 274, 295, 325, 328. 
Insects, 63-65. 
Instinct, Instinctive, 9, 25, 57, 63, 65, 
77, 78, 81, 83, 87, 159, 163, 194, 216, 
231, 238, 244, 257, 308, 321. 
Institutions, 33, 36, 83, 100, 103, 105, 
116, 125, 126, 127, 135, 152, 153, 161, 
174, 175, 191, 197, 206, 226, 240, 272, 
274, 308, 327, 330, 331- 
Integration, 20, 32, 35, 36, 128, 186, 322, 
327. 
Integrity, 87. 
Intellect, Intellectual, 15, 21, 25, 27, 39, 
64, 65, 79, 105, 113, 115, 134, 177, 209, 
217, 222. 
Intelligence, 23, 39, 82, 94, 100, 124, 
131 n., 169, 179, 194, 200, 210, 211, 
224, 270, 274, 275, 276, 282, 311, 312. 
Intemperance, 119. 
Interests, 10, 11, 21, 31, 113, 126, 132, 
136, 142, 170-178, 248, 310, 311, 321, 
326, 327; self-, 90, 91, 174, 182, 183, 
241, 261, 277, 280. See also Conflict 
of interests. 
Interference, 297. 
Intuition, Intuitional, Intuitionalism, 
105, 108, 173, 254, 303, 329 n. 
Invention, 161, 187, 197, 221-267, 311. 
See also Innovation. 
Isolation, 59, 61, 68, 73, 77, 112, 118, 157, 
169. 
James, W., 146, 287-2901. 
Judgment, 154, 183, 194, 306, 325. 
Justice, 129, 154, 163, 168, 246, 274, 279; 
294. 
INDEX 
Keller, A. G., 316, 317 n. 
Kingdom of God, 256, 329. 
Knowing, Knowledge, 3, 20, 109, 131, 
154, 164, 169, 239, 277, 330. 
Labor, Laborers, 104, 120, 156, 186, 247— 
249, 258. See also Division of labor. 
Laissez faire, 40, 85, 152, 183, 281. 
Lamarck, J. B., 21, 30, 56-58, 70, 314. 
Language, 33, 63 M., I14, 116, 117, 137, 
I51, 158, 163, 228, 272. 
Lapouge, V., 99-102. 
Law, 43, 47, 91, 136, 142; definition of, 
17, 110; biological or organic, 57, 76; 
cosmic or natural, 15, 17, 22, 23, 24, 
32, 34, 44, 85, 86, 107, 108, 162-165, 
185, 201, 212, 225, 274 n.; divine, 245, 
259, 312; economic, 248-250; Men- 
delian, 72, 73; mental, 23, 27, 104~- 
106, 192-199; moral, 24; penal, 254; 
social, 21-26, 106, 140, 164, 167, 170, 
185-192, 277; statistical, 44; of the 
Three Periods, 16, 17, 20, 26. 
Leader, Leadership, 128, 177, 268. 
Leisure, 3, 112, 242, 260. 
Liberal, Liberalism, 30, 206, 278. 
Liberty, 36, 118, 206, 281, 332. 
Freedom. 
Life, 19, 34; 57) 118, 127, 132, 170, 213, 
234, 245, 277, 287, 308, 324, 328, 3325 
duration of, 21, 88; life-force, 125; 
simple, 248; spiritual, 124. 
Like-mindedness, 203-205. 
Conciousness of kind. 
Lilienfeld, P. von, 47-49, 123, 126, 151. 
Literature, 110, 228, 272, 301. 
Loyalty, 235, 274, 279, 290. 
Logic, Logical, 18, 43, 50, 105, 159, 199, 
260. 
Love, 12, 25, 153, 172, 181, 200, 201, 242, 
270, 271, 306, 328. 
Luck, 152, 308. 
Lyell, Sir Charles, 30, 58. 
See also 
See also 
Mackenzie, J. S., 123, 128-133, 319 n. 
Mackintosh, R., 16, 39. 
Maine, Sir Henry, 178. 
Malthus, T. R., 58, 64, 248, 253. 
