on fusion of impressions,522,530-3;on strong and weak sensations,547;on relativity of knowledge, II. 11;on sensations of extent, 219, 221Subjective sensations, I.516ff.Substance, spiritual, I.345Substantive states of mind, I.243Substitution of parts for wholes in reasoning, II. 330;of the same for the same, 650Subsumption, the principle of mediate, II. 648Succession, not known by successive feelings, I.628;vs.duration,609Suggestion, in hypnotism, II. 598-601;post-hypnotic, 613Suicide, I.317Sully, J.,I.191; II. 79, 221, 272, 281, 322, 425Summation of stimuli, I.82;of elements of feeling,151;the latter is inadmissible,158Superposition, in space-measurements, II. 177, 266 ff.Symbols as substitutes for reality, II. 305Sympathy, II. 410Synthetic judgmentsa priori, II. 661-2Systems, philosophic, sentimental, and mechanical, II. 665-7Tactile centre, I.58Tactile images, II. 65Tactile sensibility, its cortical centre, I.34,61,62Taine, H.,on unity of self, I.355;on alterations of ditto,376;on recollecting,658,670;On projection of sensations, II. 33;on images, 48, and their 'reduction,' 125-6;on reality, 291Tàkacs,II. 490Tarde, G.,I.263Taylor, C. F.,II. 99Tedium, I.626Teleology,created by consciousness, I.140-1;essence of intelligence,482involved in the fact of essences, II. 335;its barrenness in the natural sciences, 665Tendency, feelings of, I.250-4Thackeray, W. M.,II. 434Thermometry, cerebral, I.99'Thing,' II. 184, 259Thinking, the consciousness of, I.300ff.Thinking principle, I.342Third dimensionof space, II. 134 ff., 212 ff., 220Thompson, D. G.,I.354; II. 662Thomson, Allen,I.84Thought, synonym for consciousness at large, I.186;the stream of,Chapter IX:it tends to personal form,225;same thought never comes twice,231ff.;sense in which it is continuous,237;can be carried on in any terms,260-8;what constitutes its rational character,269;is cognitive,271;not made up of parts,276ff., II. 79 ff.;always partial to some of its objects, I.284ff.;the consciousness of it as a process,300ff.;the present thought is the thinker,369,401;depends on material conditions,553'Thought reading,' II. 525Time, occupied by neural and mental processes, seereaction-timeTime, unconscious registration of, I.201Time, the perception of,Chapter XV;begins with duration, I.609;compared with perception of space,610ff.;empty time not perceived,619;its discrete flow,621,637;long intervals conceived symbolically,622ff.;variations in our estimate of its length,623ff.;cerebral process underlying,627ff.Tischer,I.524,527Touch, cortical centre for, I.58Trance, seehypnotismTranscendentalist theory of the Self, I.342,360ff.;criticised,363ff.Transitive states of mind, I.243ff.Tschisch, von,I.414,560Tuke, D. H.,II. 130, 413Taylor, E. B.,II. 304Tympanic membrane, its tactile sensibility, II. 140Tyndall,I.147-8Ueberweg,I.187Unconscious states of Mind, proofs of their existence, I.164ff.;Objections,164ff.Unconsciousness, I.199ff.;in hysterics,202ff.;of useless sensations,517ff.Understanding of a sentence, I.281Units, psychic,I.151Unity of original object, I.487-8; II. 8, 183 ff.Universal conceptions,I.473. Seegeneral propositionsUnreality, the feeling of, II. 298Valentin,I.557Varying concomitants, law of dissociation by, I.506Vennum, Lurancy,I.397Ventriloquism, II. 184Verdon, R.,I.685Vertigo,II. 89;Mental vertigo, 309;optical, 506Vicarious functionof brain-parts, I.69,142; II. 592Vierordt,I.616ff.; II. 154, 172Vintschgau,I.95-6Visionwith head upside down, II. 213Visual centre in brain, I.41ff.Visual space, II. 211 ff.Visualizing power, II. 51-60Vocalization, II. 407Volition, seeWillVolkmann. A. W.,II. 198, 252 ff.Volkmann, W. von Volkmar,I.627,629,631; II. 276Voluminousness, primitive, of sensations, II. 184Voluntary thinking, I.583Vulgarity of mind, II. 370Vulpian,I.73Wahle,I.493Waitz, Th.,I.405,632; II. 436Walking, in child, II. 405Walter. J. E.,I.214Ward, J.,I.162,454,548,562,629,633; II. 282Warren, J. W.,I.97Wayland,I.347Weber, E. H.,his 'law,' I.537ff.On space-perception on skin, II. 141-2;on muscular feeling, 198Weed, T.,I.665Weissmann, A.,II. 684 ff.Wernicke's convolution, I.39,54-5'Wheatstone's experiment,' II. 326-7Wigan,Dr., I.390,675; II. 566-7Wilbrand,I.50-1Will, Chapter XXVI;involves memory of past acts, and nothing else but consent that they shall occur again, II. 487-518;the memory may involve images of either resident or remote effects of the movement, 518-22;ideo-motor action, 522-8;action after deliberation, 528;decision, 531;effort, 535;the explosive will, 537;the obstructed will, 546;relation of will to pleasure and pain, 549 ff.;to attention, 561;terminates in an 'idea', 567;the question of its indeterminism, 569;psychology must assume determinism, 576;neural processes concerned in education of the will, 579 ff.Will, relations of, to Belief, II. 320Wills, Jas.,I.241Witchcraft, II. 309Wolfe, H. K.,I.674,679Wolff, Chr.,I.409,651World, the peculiar constitution of the, II. 337, 647, 651-2Writing, automatic, I.393ff.Wundt,on frontal lobes, I.64;on reaction-time,89-94,96,427ff.,525;on introspective method,189;on self-consciousness,303;on perception of strokes of sound,407;on perception of simultaneous events,411ff.;on Weber's law,534ff.;association-time,557,560;on time-perception,608,612ff.,620,634.on local signs, II. 155-7;on eyeball-muscles, 200;on sensations, 219;on paresis of ext. rectus, 236;on contrast, 250;on certain illusions, 264;on feeling of innervation, 266, 493;on space as synthesis, 276;on emotions, 481;on dichotomic form of thought, 654Zöllner's pattern, II. 232