brute retentiveness,660;multiple associations,662;improvement of memory,667ff.;its usefulness depends on forgetting much,680;its decay,683;metaphysical explanations of it,687ff.Mentality, the mark of its presence, I.8Mental operations, simultaneous, I.408Mercier, C.,on inertness of consciousness, I.135;on inhibition, II. 583Merkel,I.542-3-4Metaphysical principles, II. 669 ff.Metaphysics, I.137,401Meyer's experiment on color-contrast, II. 21Meyer, G. H.,II. 66, 97-8Meynert, T.,his brain-scheme, I.25,64,72Mill, James,I.277,355,470,476,485,499,597,651,653; II. 77Mill, J. S.,I.189;on unity of self,356-9;on abstract ideas,470;methods of inquiry,590;on infinitude and association,600;on space, II. 271;on belief, 285, 822;on reasoning, 331;on the order of Nature, 634;on arithmetical propositions, 654Mills, C. K.,I.60Mimicry, its effects on emotion, II. 463-6Mind, depends on brain-conditions, I.4,553;the mark of its presence,8;difficulty of stating its connection with brain,176;what psychology means by it,183,216Mind-Stuff theory,Chapter VI:a postulate of evolution, I.146,176;some proofs of it,148;author's interpretation of them,154;feelings cannot mix,157ff., II. 2, 103Miser, associationist explanation of the, II. 423 ff.Mitchell, J. K.,II. 616Mitchell, S. W.,I.381; II. 38-9, 380Modesty, II. 435Moll, A.,II. 616Molyneux,II. 210Monadism, I.179Monism, I.366-7Monkey's cortical centres, I.34-5,46,59Montgomery, E.,I.158Moral principles, II. 639, 672Morris, G. S.,I.365Mosso,on blood-supply to brain, I.97-9plethysmographic researches, II. 378;on fear, 419, 483Motor centres, I.31ff.'Motor circle,' II. 583Motor strands, I.38;for special muscles, I.64Motor type of imagination, II. 61Movement, perception of, by sensory surfaces, II. 171 ff.;part played by, in vision, 197, 203, 234-7the, Production of, Chap. XXIIrequires guiding sensations, 490illusory perception of, during anæsthesia, 489;results from every kind of consciousness, 526Mozart,I.255Müller, G. E.,I.445,456-8; II. 198, 280, 491, 502, 508, 517Müller, J.,I.68; II. 640Müller, J. J.,II. 213Müller, Max,I.269Munk, H.,I.41-3-4-5-6,57-8-9,63Münsterberg,on Meynert's scheme, I.77;on reaction times with intellectual operation,432:on association,562;on time-perception,620,637;on imagination, II. 74;on muscular sensibility, 189;on volition, 505;on feeling of innervation, 514;on association, 590Muscles, how represented in nerve-centres, I.19Muscle-reading, II. 525Muscular sense, its cortical centre, I.61;its existence, II. 189 ff., 197 ff.;its insignificance in space-perception, 197-203, 234-7Music, its accidental genesis, II. 627; 687Mussey,II. 543Mutilations, inherited, II. 627Myers, F. W. H.,I.400; II. 133Mysophobia, II. 435, 545Nature, the order of, its incongruence with that of our thought, II. 634 ff.Naunyn,I.55Necessary truths are all truths of comparison, II. 641 ff., 651, 662.Seeexperience,a priori connections,etc.Neiglick,I.543Neural process, in perception. I.78ff.;in habit,105ff.;in association,566;in memory,655;in imagination, II. 68 ff.;in perception, 82 ff., 103 ff.;in hallucination, 122 ff.;in space-perception, 143;in emotion, 474;in volition, 580 ff.;in association, 587 ff.Nitrous oxide intoxication, II. 284Nonsense, how it escapes detection, I.261Normal position in vision, II. 238Nothnagel,I.51,60-1Number, II. 653Obersteiner,I.87,445Object, use of the word, I.275,471;confusion of, with thought that knows it,278Objective world, known before self, I.273;its primitive unity,487-8;ditto, II. 8Objectsversusideas, I.230,278Old-fogyism, II. 110Orchansky,I.95'Overtone' (psychic), I.258,281-2Pain, I.143,its relations to the will, II. 549 ff., 583-4Paneth,I.64,65Parallelism, theory of, between mental and cerebral phenomena, seeAutomaton-theoryParesis of external rectus muscle, II. 236, 507Parinaud,II. 71Partiality of mind, seeinterest,teleology,intelligence,selection,essencesPast time, known in a present feeling, I.627;the immediate past is a portion of the present duration-block,608ff.Patellar reflex, II. 380Paths through cortex, I.71;their formation,107-12; II. 584 ff.;association depends on them, 567 ff.;memory depends on them, 655 ff., 661, 686Paulhan, F.,I.250,408,670; II. 64, 476Pedagogic remarks: I.121-7; II. 110, 401-2, 409, 463, 466Perception. Chapter XIX:compared with sensation, II. 1, 76;involves reproductive processes, 78;is ofprobableobjects, 82 ff.;not an unconscious inference, 111 ff.;rapidity of, 131Perception-time, II. 131Perez, B.,I.446; II. 416Personal equation, I.413Personality, alterations of, I.373ff.Pflüger,on frog's spinal cord, I.9,134Philosophies, their test, II. 312Phosphorus and thought, I.101Phrenology, I.27Pick, E.,I.669Pitres,I.206Planchette-writing, I.208-9,393ff.Plasticity, as basis of habit, defined, I.105Platner,II. 208Plato,I.462Play, II. 427Pleasure, as related to will, I.143; II. 549, 583-4Points, identical,theory of, II. 222 ff.Possession, Spirit-, I.393ff.Post-hypnotic suggestion, II. 613Practical interests, their effects on discrimination, I.515ff.Prayer, I.316'Preperception,' I.439Present, the present moment, I.606ff.Preyer,II. 403Probability determines what object shall be perceived, II. 82, 104, 258, 260-3Problematic conceptions, I.463Problems, the process of solution of, I.584Projection of sensations, eccentric, II. 31 ff.Projection, theory of, II. 228Psychologist's fallacy, the, seeFallacyPsychophysic law, I.539Pugnacity, II. 409Pure Ego, I.342Putnam, J. J.,I.61Questioning mania, II. 284Rabier,I.470,604Rational propositions, II. 644Rationality is based on apprehension of series, II. 659Rationality, postulates of, II. 670, 677Rationality, sense of, I.260-4; II. 647Reaction-time, I.87;simple,88;what it measures is not conscious thought,90;Lange's distinction between muscular and sensorial,92;its variations,94-7;influenced by expectant attention,427ff.;after intellectual process,432;after discrimination,523;after association,557;after perception, II. 131Real size and shape of visual objects, II. 179, 237 ff.Reality, the Perception of, Chapter XXI;not a distinct content of consciousness, II. 286;various orders of, 287 ff.;every object hassomekind of reality, 291 ff.;the choice of, 290;practical, 293 ff.;means relation to the self, 295-8;relation of sensations to, 299;of emotions, 306Reason, I.551. SeeLogicReasoning, Chapter XXII;its definition, II. 325;involves the picking out of essences, or sagacity, 329;and abstraction, 332;its utility depends on the peculiar constitution of this world, 337 ff., 651;depends on association by similarity, 345Recall, I.578,654'Recepts,' II. 327, 349, 351Recognition,I.673Recollection, voluntary, I.585ff.Redintegration, I.569'Reductives,' II. 125, 291Reflex acts, I.12;reaction-time measures one,90;concatenated habits are constituted by a chain of,116Reid, Thomas,I.609,78; II. 214, 216, 218, 240, 309Relating principle, I.687-8Relation, feelings of, I.243ff.;space-relations, II. 148 ff.Relations, inward, between ideas, II. 639, 642, 661, 671;the principle of transferred, 646Relief, II. 254-7. Seethird dimensionRenouvier, Ch.,I.551; II. 309Reproduction in memory, I.574ff.,654;voluntary,585ff.Resemblance, I.528Respiration, effects of sensory stimuli upon, II. 376Restitution of function, I.67ff.Restoration of function, I.67ff.Retention in memory, I.653ff.Retentiveness, organic, I.659ff.;it is unchangeable,663ff.Retinal image, II. 92Retinal sensibility, seevision,space,identical points,third dimension,projection,etc.Revival in memory, I.574ff.,654Reynolds, Mary,I.381Ribot, Th.,I.375;on attention,444,446,680, 682Richet, Ch.,I.638,644-6-7Riehl, A.,II. 32Robertson, G. C.,I.461; II. 86Romanes, G. J.,II. 95, 132, 327-9, 349, 351, 355, 397Romantic and classic, II. 469Rosenthal,I.78Ross, J.,I.56-7Royce, J.,I.374; II. 316-7Royer-Collard,I.609Rutherford,II. 170Sagacity, II. 331, 343Sameness, I.272,459,480; II. 650Schaefer, W.,I.35,53,59,63Schiff, M.,I.58,78,100Schmid,I.683Schmidt, H. D.,II. 399-400Schneider, G. H.,on Habits, I.112,118-20;on perception of motion, II. 173;on evolution of movements, 380;on instincts, 387-8, 411, 418, 439Schopenhauer,II. 33, 273Schrader,I.72ff.Science, the genesis of, II. 665-9Sea-sickness, susceptibility to, an accident, II. 627Seat of consciousness, I.65;of Soul,214;of sensations, no original, II. 34Sciences, the natural, the factors of their production, II. 633 ff.;a Turkish cadi upon, 640;postulate things with unchangeable properties, 656Sciences, the pure, they express results of comparison exclusively, II. 641;classifications, 646;logic, 647;mathematics, 653Secretiveness, II. 432Seguin,I.48,75Selection, a cardinal function of consciousness, I.284ff.,402,594; II. 584;of visual reality, II. 177 ff., 237;of reality in general, 290, 294;of essential quality, 333, 370, 634Self, consciousness of,Chap. X:not primary, I.273;the empirical self, I.291;its constituents,292;the material self,292;the social self,293;the spiritual self,296;resolvable into feelings localized in head,300ff.;consciousness of personal identity,330ff.;its alterations,373ff.Self-feeling, I.305ff.Self-love, I.317;the name for active impulses and emotions towards certainobjects; we do not love our bare principle of individuality,323Self-seeking, I.307ff.Selves, their rivalry, I.309ff.Semi-reflex acts, I.13Sensation, does attention increase its strength? I.425;terminus of thought,471Sensation, Chapter XVII;distinguished from perception, II. 1, 76;its cognitive function, 3;pure sensation an abstraction, 3;the terminus of thought, 7Sensations, are not compounds, I.158ff.; II. 2;their supposed combination by a higher principle, I.687; II. 27-30;their influence on each other, II. 28-30;their eccentric projection, 31 ff., 195 ff.;their localization inside of one another, 183 ff.;their relation to reality, 299 ff.;to emotions, 453;their fusion, seeMind-stuff theorySensationalism, I.243;criticised by spiritualism,687Sensationalism, II. 5;in the field of space-perception, criticised, 216 ff.;its difficulties, 231-7;defended, 237 ff., 517Sergi,II. 34Serial increase, I.490; II. 644Series, II. 644-51, 659 ff.Seth, A.,II. 4Sexual function, I.22Shadows, colored, II. 25Shame, II. 435Shoemaker,Dr., I.273Shyness, II. 430Sight, its cortical centre, I.41ff.,66Sign-making, a differentia of man, II. 356Signs, local, II. 155 ff.Sigwart, C.,II. 634-6Sikorsky,II. 465Similarity, I.528Similarity, association by, I.578; II. 345, 353Skin, discrimination of points on, I.512Sleep, partial consciousness during, I.213Sociability, II. 430Somnambulism, seehypnotism,hystericsSoul, theory of the, I.180;inaccessibility of,187;its essence is to think (according to Descartes),200;seat of,214;arguments for its existence,343ff.;an unnecessary hypothesis for psychology,350;compared with transcendental Ego,365;a relating principle,499Space,the perception of, Chapter XX;primitive extensity in three dimensions, II. 134-9;spatial order, 145;space-relations, 148;localization in, 153 ff.;how real space is mentally constructed, 166 ff.;part played by movement in, 171-6;measurement of extensions, 177 ff.;synthesis of originally chaotic sensations of extension, 181 ff.;part played by articular surfaces in, 189 ff.;by muscles, 197 ff.;how the blind perceive space, 203 ff.;visual space, 211-268;theory of identical points, 222;of projection, 228;difficulties of sensation-theory expounded and replied to, 231-268;historical sketch of opinion, 270 ff.Spalding, D. A.,II. 396, 398, 400, 406Span of consciousness, I.405,640Speech, the 'centre' of, I.55;its misleading influence in psychology, I.194;thought possible without it,269.SeeAphasia,PhrenologySpencer,his formula of 'adjustment,' I.6;on formation of paths in nerve-centres,109;on chasm between mind and matter,147;on origin of consciousness,148;on 'integration' of nervous shocks,151-3;on feelings of relation,247;on unity of self,354;on conceivability,464;on abstraction,506;on association,600;on time perception,622,639;on memory,649;on recognition,673;on feeling and perception, II. 113, 180;on space-perception, 272, 282;on genesis of emotions, 478 ff.;on free-will, 576;on inheritance of acquired peculiarities, 620 ff., 679;on 'equilibration,' 627;on genesis of cognition, 643;on that of sociality and pity, 685Spinoza,II. 288Spir, A.,II. 665, 677'Spirit-control,' I.228Spiritualist theory of the self, I.342; II. 5Spiritualists, I.161Stanley, Henry M.,II. 310Starr, A.,I.54,56Statistical method in psychology, I.194Steiner,I.72-3Steinthal,I.604; II. 107-9Stepanoff,II. 170Stereoscope, II. 87Stereoscopy, II. 223, 252. Seethird dimensionSternberg,II. 105, 515Stevens,I.617Stevens, E. W.,I.397Story, Jean,I.263Stream of Thought,Chapter IX:schematic representations of, I.279-82Stricker, S.,II. 62 ff.Strümpell, A.,I.376,445,489,491Strümpell,Prof., II. 353Stuart, D.,I.406,427Stumpf. C,on attention, I.426;on difference,493;