GENERAL INDEX. 



551 



Tetanus of the muscles, ii. 127 

 rate of stimulation required for, ii. 125 

 Bitter's, ii. 37, 61 

 secondary, ii. 150 

 voluntary, ii. 133 

 Wundt's, ii. 37. <il 

 Tetramethylene-diamin, i. 513 

 Thalamus, cortical connections of, ii. 271 



heat-centre of, ii. 271 

 Theobromin, i. 553 

 Theophyllin, i. 553 

 Thermal energy liberated in muscle, ii. Ill 



stimulation of nerve, ii. 25 

 Thermo-accelerator centres, i. 492 

 Thermogenesis, i. 477 



mechanism of, i. 489 

 Thermogenic centres, i. 491 

 nerves, i. 490 

 tissues, i. 490 

 Thermo-inhibitory centres, i. 492 

 Thermolysis, i. 485 



mechanism of, i. 494 

 Thermopile, ii. 142 

 Thermotaxis, i. 489, 495, 496 



relation of cerebrum to, ii. 270 

 Thinlactic acid, i. 547 

 Thirst, ii. 404 

 Thiry-Vella fistula, i. 308 

 Thoracic duct, i. 145 

 Thorax, effects of opening, i. 115 

 movements of, in respiration, i. 397 

 negative pressure in, i. 396 

 Thrombin, i. 58, 280 

 Thrombus, i. 60 

 Thymic acid, i. 579 

 Thyro-arytenoid muscles, ii. 424, 426 

 Thyroglobulin, i. 509 

 Thyro-hyoid muscle, ii. 425 

 Thyroid cartilage, ii. 425 



extract, injection of, i. 269, 270 

 gland, relation of, to growth of the central 

 nervous system, ii. 289 

 Thyroidectomy, i. 269 

 Thyroids, anatomy of, i. 267 

 extirpation of, i. 268 

 functions of, i. 268 

 grafting of, i. 269 

 internal secretion of, i. 270 

 Thyroiodine, i. 509 

 Tidal air, volume of, i. 426 

 Tigroid of nerve-cells, ii. 179 

 Timbre, of musical tones, ii. 383, 387 

 Time intervals, perception of, by the ear, ii. 388 



of a complete circulation, i. 79 

 Tinctures, definition of, i. 535 

 Tissue death, ii. 492 

 Tissue-proteid, definition of, i. 346 

 Tissue-respiration, i. 122 

 Tissues, growth of, ii. 186 

 Tobacco smoke, action of, on nerves, ii. 60 

 Tones, combinal ional, ii. 387 

 differential, ii. 387 

 fundamental, ii. 383 

 loudness of, ii. 381 

 pitch of. ii. 381 

 simple, ii. 381 

 Tongue, distribution of taste-sensations on, ii. 

 413 

 vaso-inotor nerves of, i. 204 

 Tonicity of involuntary muscle, i. 371 



of vaso-cou strict or centre, i. 199 

 Tonography definition of, i. 127 

 Tonometer, i. 188 



Tonus, muscular, in the insane, ii. 220 

 rellex origin of, ii. 220 

 id' muscles, ii. 143 

 ventricular, during vagus stimulation, i. 163 



Touch illusions, ii. 396 

 sensations, ii. '■>'*'! 



localization of, ii. 394 

 Tractus solitarius, ii. 236 

 Transfusion of blood, i. 64 

 Transversal is abdominis muscle, respiratory 



action of. i. 407 

 Trapezius muscle, respiratory action of, i. 405 

 Traube-Hering waves, i. 201 

 Tremors, ii. 132 



Triangulares sterni muscles, expiratory action 



of, i. 107 

 Trigeminal nerves, central paths of, ii. 238 



influence of, on respiration, i. 463 

 Trimethylamine, i. 511 

 Trioses, i. 559 

 Triplets, ii. 483 



Trommel's test for carbohydrates, i. 562 

 Tropseolin 00 test for mineral acid, i. 289 

 Trophic impulses to muscles, ii. 70 



influence of neurones on one another, ii. 197 



of the vagi on the heart, i. 167 

 nerves of the muscles, ii. 70 

 of the salivary glands, i. 224 

 pulmonary, i. 4iii! 

 Trypsin, i. 232 



effect of, on blood coagulation, i. 63 

 extracts, preparation of, i. 301 

 properties of, i. 301 

 Tripsinogen, i. 235 



granules, i. 235 

 Tryptie digestion, products of, i. 302 



value of. i. 304 

 Tryptophan, i. 574 

 Tubules, uriniferous, i. 250 

 Tubuli recti of the testis, ii. 447 

 Tunicin, i. 566 

 Turtle's striped muscle, time of contraction in. 



ii. 108 

 Twins, ii. 1*2 

 Tympanic membrane, ii. 364 



effect of destruction of, ii. 370 

 pressure-sensations of, ii. 382 

 vibrations of. ii. 370 

 Tympanum, ii. 363 



mechanics of, ii. 368 

 Tyrosin, i. 570 



formation of, in tryptie digestion, i. 303 



Ultimum moriens, ii. 492 



Umbilical arteries, ii. 474 



vein, ii. 17 I 

 Umbo of the tympanic membrane, ii. 365 

 Unconsciousness, ii. 293 



Unipolar excitation for localized excitation, ii. 

 15 

 nerve-cells, development of, ii. 17- 

 stimulation, ii. 30 

 principles of, ii. 13 

 Unite, calorimel ric, i. 177 

 Unorganized ferments, definition of. i. 271' 

 Urea, amount of, in sweat, i. .'!:;."> 



in the bl 1, i. 51 



in the mine, i. :;:',."> 



antecedents of', i. ::::."> 

 eliminal ion of. i. 252 

 est imaf ion of, i. ."> lit 



formation of. after removal of the liver, i. 3:57 

 in f he liver, i. :;::i 



in muscles, ii. L67 



origin of, in the body. i. 550 



in the liver, i. 266 

 preparation of, i. ."> i^ 



from proteid, i. 337 



presence of, in sweat, i. .'!.".7 

 proper! ies of, i. .". |<> 

 Ureters, movements of, j. 371, 389 



