INDEX OF SUBJECTS. 



PAGE 



Tonus of muscles, . . . .377 

 ,, ,, afferent nerve im- 



pulses for, . . 1020 

 ,, ,, in appesthetic limbs, 1020 



of crayfish, . . 377 

 of heart, . 194, 210, 216, 

 218, 221, 222, 377, 378 

 ,, ,, influence of afferent 



impulses on, . 726 



,, ,, ,, anaesthetics on, 870 



, , , , , , cerebellar lesions 



on, . . 904 



,. ,, ,, on co-ordination, 1020 



,, ,, ,, muscle-sense on, 870 



,, ,, ,, section of affer- 



ent roots on, . 870 

 neural, . 868, 869, 870 

 .,, ,, ,, influence on ex- 



citability, 870 



,, ,, ,, ,, knee-jerk, 872 



reflex, 799, 800, 909, 910 



,, ,, inhibition of, . 1019 



-,, ,, in spinal animal, 817, 870 



,, skeletal, 377 



7J of sphincter ani, . . . 336 



,, ,, spinal cord, . . . 868,869 



.,, ,, sympathetic system, . 619, 655, 



672, 675, 676, 677 



vagal, . . 55, 129, 294, 311 



,, vasomotor, . 131, 132, 133, 135, 



136, 137, 138, 619, 



656, 672, 675, 677 



,, ,, influence of cord on, 854, 869 



,, vesical, ..... 341 

 Torpedo, electrical organ of. See 

 Electrical organ. 



'Torricelli, law of, 62 



Torticollis reflex, 821 



Tortoise, cerebellum of, ... 899 



heart of, . . .173, 199, 



205, 214 



,, mesencephalon of, . . . 913 



,, reflexes in, . ' . . . 853 



retina of, . . . .1049 



,, spinal cord of, ... 850 



'Touch. See Sensations, tactual. 



Touch-spots, . . 921, 922, 923, 935, 



940, 984, 985, 988, 989 



Toxines, effect of, on nerve cells, . . 604 

 Trachea, resonance of, . . . . 1235 



'Tract, comma, 805 



,, ofGowers, .... 807 



,, olfactory, ..... 764 

 ,, optic, * 758, 915 



, , pyramidal. See Pyramidal tract. 

 ,, septo-marginal, ..." 806 

 Tractus solitarius, . . . .885 



Tragus, 1150, 1152 



Transfusion, effect of, on arterial pressure, 74, 



75 



,, ,, ,, capillary pres- 



sure, . .118 



., ,, ,, heart, . 75, 77 



,, ,, ,, velocity of blood 



flow, . . 76 



,, ,, ,, venous pressure, 76 



'Transpiration coefficient, ... 66 

 Trapezio-metacarpal joint, . . . 241 



Trapezium, 763, 782 



Traube-Hering curves, . . 60, 138, 307 



PAGE 



Tremors, . . .711, 896, 897, 898, 



900, 901, 903 



Tremospasm, . . . . .874 

 Treppe phenomenon, . 192, 214, 215, 222 

 Triton, reflexes in, .... 813 

 ,, spinal cord of, .... 879 

 Trophic changes from lesions of afferent 



roots, 876 



j, ,, ,, nerves, 875, 



876, 877 

 ,, :: spinal 



cord, 875, 

 876, 878 



,, nerves, 876 



,, nerve cells, .... 877 

 Tropidonotus, accommodation in, . . 1041 

 Trunk, motor centres for, See Cerebral 



cortex. 

 ,, movements of, from stimulation 



of dorso-lateral columns of bulb, 792 

 ,, sympathetic nerves to, 157,625,627, 



629, 634 



Tubes, branching, fluid-flow in, . . 67 



,, cylindrical, ,, . 63, 64 



,, elastic, ,, . .67 



,, ,, wave motion in, . 96, 98, 99 



,, lateral pressure in, . 63, 66, 67, 98 



,, of varying width, fluid-flow in, . 66 



Tunica dartos, . . ' . . 348, 635 



Turbinal bones, ..... 1248 



Tiirck, bundle of, 808 



Twitch. See Muscle. 

 Tympanum. See Ear. 



UNCINATE GYEUS, . . 749, 763, 764 



Uncus, . . . . . 749, 763, 764 



Unio, auditory organ of, ... 1167 



Urea, effect of, on nerve, . . . 466 



,, ,, ,, renal circulation, . 160 



,, ,, ,, vasomotor centre, . 160 



Ureter, 338 



,, afferent root fibres for, . . 849 

 ,, effect of excitation of splanchnics 



on, . . . . 339 



,, ligation of, . . .339 



,, local ganglia of, . . . 338 



,, movements of, .... 338 



,, nerves of, 338 



,, orifice of, 339 



,. sensory nerves of, . . . 339 



Urethra, accelerator muscle of, . 340, 345 



,, . constrictor of, . . 340, 346 



,, contractions of, in coitus, . 347 



,, . influence of, in retaining urine, 340 



,, . in micturition, . . 345, 346 



, , muscles of, . . 339, 348 



,, Wilson's muscle of, . . 340 



Urinary bladder. See Bladder. 



,, secretion, effect of cord lesions on, 853 



,, ,. influence of cortex on, 716 



,, tract, mechanism of, . . 338 



Urine, incontinence of, ... 342 



,, retention of, . . . . 850 



Uterus, afferent nerves of, . . 349, 849 



,, cervix of, during labour, . . 350 



,, in coitus, . . . 347,348,349 



,, contractions of, . 350, 351, 851 



,, efferent nerves of, . . 349,667 



,, in parturition, 350, 351. See 



also Parturition. 



