the work of the consciousness. FOOTNOTES: [Footnote 51: See [Note 43] on p. 191.] INDEX ABSTRACTIONS, character of, 8 "Archives de Psychologie," 198 Aristotle, 106, 129, 169, 186-190, 201, 265 Association, "inseparable," 116 Automatism, 250 BAIN, 3, 121, 186, 189, 219, 245, 252 Belfast, congress at, 207 Bergson, 47, 86; theory of images and brain, 226-230; refutation of, 230-233; 259, 271, 272 Berkeley, 47, 109, 225, 226, 227, 271 Berthelot, 147 Binet, 3, 191; theory of mind and brain, 236, 255 Body, union with mind, 179; Aristotle on body and soul, 188 Brain, 225, 226, 227; and consciousness, 236, 237, 247 Brieux, 209 Brillouin, 10 CATEGORIES, 106, 107, 114, 190, 263 Change, law of consciousness, 245 Cognition, 15, 33, 58, 98, 105, 107, 117, 123, 140, 141, 145, 153, 155, 157, 162, 184, 190, 195, 208, 225, 228, 241, 243, 246, 251, 260, 262, 264, 266 Comte, Auguste, 213 Concepts, method of, 6, 7; metaphysics of, 8, 223 Conclusion, 234-255 Condillac, 98 Condition, normal, 80 Consciousness, 58, 195; anatomical ignorance of, 237, 238; definition of: relation subject-object, categories of the understanding, separability of the consciousness from its object, idealism, 96-134; as dialyser, 244; law of, 275, 276; and nerve current, 247-255; manifestations of, 236; of a state, 63; origin of, 180; phenomena of, 17, 88, 190, 210, 223; useless luxury, 222 Contiguity, law of, 169, 170, 173 Current, motor, psychology of, 248, 249; nerve, 246, 249, 250, 251, 252, 276; sensory, 250 DANTEC, "Les Lois Naturelles," 10 Dastre, "La Vie et la Mort," 10, 145 Democritus, 158 Descartes, 64, 77, 78, 97, 152, 193 "Discours de la Methode," 77 Dreams, 82, 87 Dualism, of mind and matter, 69, 71, 182, 140, 155, 182, 254, 263 Duality, of sensation, 78; of ideation, 78; of consciousness and object, 199; of nature, 224; of soul and body, 269 Duhem, evolution of mechanics, 10 Ebbinghaus, 160, 161 Eccentricity, law of, 247 Effort, psychological nature of, 94; sensation of, 249, 263 Ego, 75, 86, 88, 89, 99, 152; and non-ego, 96, 100, 101 Emotions, definitions of the, 88-95, 263 Energy, 30, 31 Enumeration, method of, 6 Epiphenomenon, 222 "Etude Experimentale de l'Intelligence" (Binet), 8 Excitant, the, 18, 21, 22, 83, 244, 257, 258, 266 Existence or reality, 84, 85 Externospection, 140-146 Fathers of the Church, 201 Fechner, 149 Ferrier, 73 Finality, definition of, 163 Flournoy, 70, 73, 182, 191, 198 Geneva, congress of, philosophy at, 226 Goblot, E., "La Finalite sans Intelligence," 164 Habit, law of, 250 Hallucinations, 81, 82, 87 Hamilton, William, 47, 65, 256; "Philosophy" of, 47 Herbart, 90, 91 Herrick, C. L., 86 Heterogeneity, axiom of, 182, 183; principle of, 8, 73, 74, 182, 183, 194, 205, 206, 208, 215, 269 "Histoire du Materialisme" (Lange), 137 Hume, 64, 109 Huxley, 118, 222