A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, Z

Abstraction, 126, 133, 140, 151.
Adaptation, 74.
Affection, 162.
Afferent, 35, 38.
After-image, 74.
Anemia, 27.
Animals, 27, 37, 65, 75, 128, 151, 197.
Apes, 27.
Apperception, 119.
Arborization, 33.
Architecture, 202.
Aristotle, 3, 10, 17.
Art, 14, 24, 196.
Association, 10, 11, 12, 14, 93, 144, 164.
Attention, 11, 12, 87, 115, 121, 125, 144, 151.
Audition, 74, 76.
Auditory, 62, 98.
Automatic, 101.
Axiom, 152.
Beats, 64.
Beethoven, 14.
Belief, 152, 156, 158.
Bessel, 20.
Biology, 16.
Bismarck, 180.
Blind born, 67.
Boycott, 136.
Brain, 21, 22, 23, 27, 28.
Brewster, 17.
Broca, 21.
Buffon, 11.
Bulb, 38.
CÆsar, 136.
Catholic church, 205.
Causality, 5, 7, 8, 9, 177.
Center, 35, 36, 37, 107, 111.
Cerebellum, 38, 39.
Cerebrum, 38, 41.
Christ, 209.
Cicero, 159.
Coherent thought, 142.
Collateral, 32.
Color, 58.
Color-blind, 60, 76.
Color mixture, 61.
Conduct, 162, 176.
Conscience, 206.
Consciousness, 41.
Conservation of energy, 45.
Copernican system, 161.
Cortex, 38, 40, 41.
Corti, 76.
Crime, 97.
Cutaneous, 52, 73.
Davy, 121.
Definition, 141.
Dendrite, 31.
Desire, 109.
Determinism, 181.
Difference tone, 64.
Discrimination, 100.
Distance, 116.
Dream, 142, 156.
Drugs, 27.
Duration, 68.
Education, 24, 97.
Efferent, 35, 38.
Emotion, 168.
Enlightenment, 11.
Esthetics, 14, 185, 197, 202.
Evolution, 5, 16.
Experiment, 17.
Expression, 105, 169.
Faculties, 10, 11, 13, 22, 124, 151.
Falstaff, 123.
Fatalism, 179.
Fatigue, 102.
Fechner, 18, 19.
Feeling, 81, 162.
Fibril, 32.
Fichte, 15.
France, 10.
Frederick William, 1, 5.
Freedom, 7, 8, 9, 176, 208.
Fritsch, 21.
Future life, 192, 195.
Galileo, 10.
Gall, 29.
Ganglion cell, 30, 32, 38, 80.
Generalization, 126, 128, 134.
Goethe, 14, 62.
Gray matter, 33, 39.
Greece, 192.
Greenwich, 20.
Hallucination, 79.
Handicraft, 202.
Harmony, 68.
Helmholtz, 17, 76.
Heraclitus, 3.
Herbart, 12, 13, 14, 18, 19.
Herod, 137.
Hitzig, 21.
Hobbes, 8, 9, 10, 17.
Hume, 10.
Hypnosis, 179.
Hysteria, 29.
Ideation, 123.
Illusion, 120.
Imagery, 98, 128.
Imagination, 78, 115, 124, 151.
Imitation, 130, 132, 199.
Indeterminism, 181.
Insane, 143.
Instinct, 85, 91, 101, 107, 109, 110, 130, 171, 173, 180, 197.
Intelligence, 27, 148.
Interest, 89.
James, 170.
Japan, 205.
Jewish prophets, 193.
Judgment, 142.
Kant, 13, 15, 205.
Kinesthetic, 51, 52, 67, 86, 91, 98, 108, 117, 129, 131, 145, 174.
Kinnebrook, 20.
Knowledge, 152, 157, 184, 189.
Labyrinth, 54.
Lange, 170.
Language, 3, 24, 109, 128, 144, 147, 151, 155.
Latent idea, 81.
Laughing, 105.
Law, 24.
Leibniz, 8.
LinnÆus, 11.
Literature, 139.
Localization of function, 41, 42, 44.
Lotze, 19.
Machine, 15.
Maskelyne, 20.
Mathematics, 13.
Medulla, 38.
Melody, 68.
Memory, 92, 123, 144, 149, 150.
Metaphor, 137.
Metonymy, 137.
Middle Ages, 7.
Mind, 47.
Money, 165.
Monotheism, 193, 209.
Mood, 169.
Morality, 193, 204.
Mosaic law, 209.
Motor point, 34.
Movement, 105, 108.
MÜller, Johannes, 17.
MÜnchhausen, 207.
Music, 199.
Napoleon, 159.
Natural science, 6, 8, 9, 16.
Neo-Platonic philosophy, 194.
Nerve anatomy, 38.
Nerve center, 35, 36, 37, 107, 111.
Nervous architecture, 34.
Nervous process, 33.
Nervous system, 27, 28, 36.
Neuron, 30, 81.
Newton, 10.
Noise, 62.
Odor, 57.
Organic sensation, 56, 170, 174.
Otolith, 54, 55, 65.
Pain, 53.
Painting, 200.
Passion, 172.
Pathology, 22, 117, 143, 174.
Perception, 105, 114, 119.
Personal equation, 20.
Perspective, 116.
Philonic philosophy, 194.
Philosophy, 18,