INDEX 



88 5 



Heart, work of, 126 



Heat-centres, 514 



Heat, distribution of, 519 



equivalent of food-substances, 499 



of work of heart, 503 

 given off in respiration, 497, 528 

 loss from body, 496-498 

 by evaporation, 497 

 after varnishing skin, 259, 416, 



5 X 3 



involuntary regulation of, 506 

 voluntary regulation of, 507 

 Heat-production, effect of curara on, 510 



in brain, 505 



in embryo, 875 



in fever, 505, 516 



in glands, 503 



in muscles, 501 



in heart, 503 



in sleep, 500 



and size of body, 512 



involuntary regulation of, 509 



voluntary regulation of, 508 



relation to muscular work, 504, 580 



seats of, 501-505 



sources of, 498 

 Heat rigor, 587, 627 



units, 493 



Heidenhain's experiments on renal secre- 

 tion, 405 



Heller's test for albumin, 429 

 Helmholtz's wire, 542 

 Hemianaesthesia, capsular, 690 

 Hemianopia, 719, 748 



nasal, 720 



Hemisection of cord, 701 

 Hemi-peptone, 308 

 Hemiplegia after removal of motor cortex, 



745 



and motor aphasia, 752 

 cutaneous reflexes in, 705 

 knee-jerk in, 710 



Hering's theory of colour vision, 828 

 Hiccup, 222 



Hippuric acid, 389, 445, 428 

 Holder for animal, 176 

 Homoiothermal animals, 491 

 Hopkins's method of estimating uric acid, 



427 



Horopter, 805 

 Hydrobilirubin, 311 

 Hydrocele fluid, clotting of, 39 

 Hydrochloric acid in gastric juice, 301, 



380 



formation of, 326 

 Hydrolytic action of ferments, 294 

 Hydrostatic and hydrodynamic elements 



in blood-pressure, 164 

 Hypermetropia, 798 

 Hyperpncea, 217 

 Hypnosis, 764 

 Hypoblast, 867, 868 

 Hvpobromite method of estimating urea, 



389, 424 

 Hypoglossal nerve, 726 



and lingual, union of, 602 

 and vagus, union of, 757 

 Hypoisotonic solutions, 362 

 Hypophysis, 729 



Hypophysis, action of extracts of, 489 



Eiypoxanthin, 442 



Identical points, theory of, 804 



Qeo-caecal valve, 289 



Image on retina, size of, 785 



[ncome and expenditure of body, 459 



Incus, 838, 842 



Indigo-carmine, excretion of, by kidney, 



Indol, 308 



formation of, in intestine, 358 

 in urine, 386, 392, 395, 423 

 Induced currents, 540 

 Induction machine, 540 



arranged for single shocks, 614 



tetanus, 175 

 Inferior peduncle of cerebellum. See 



Restiform body 

 Infundibulum, 729 

 Inhibition of heart, 133 

 reflex, 145 



by ammonia, 146, 184 

 nature of, 143 

 Inspiration, 199 

 forced, 202 



Insufficiency of cardiac valves, 181 

 Intercostal muscles, 200 

 Intermedio-lateral tract, 674 

 Internal capsule, 690-692 

 Internal secretion. See Secretion 

 Intestinal juice, 315, 347 

 Intestines, bacteria in, 354, 357 

 digestion in, 353 

 movements of, 289 

 nerves of, 290 



reaction of contents of, 353, 354 

 Intra-thoracic pressure, 198, 209 



in foetus, 210 



Intra-vascular clotting, 40 

 Invertin, 316 

 lodothyrin, 486 



action of, on heart and nerves, 487 

 Ions, 35, 362 

 Iris, centre for movements of, 720, 789, 



790 



functions of, 793 

 effect of stimulation of sympathetic 



on, 791, 861 

 local mechanism of, 792 

 nerves of, 789, 790, 791 

 Iron, absorption of, 474 

 in bile, 312 

 in bran, 474 

 in foetus, 475 

 in liver, 32, 33, 328, 382 

 in milk, 474 

 in ordinary dietary, 475 

 Irradiation, 833 



Isodynamic relation of foods, 584 

 Isotonic solutions, 362 



and isometric contraction, 563 



Japanese dancing mice, internal ear of, 



J undice, fat in faeces in, 314 

 Judgment, false, as explaining contrail, 



827 

 Judgments, visual, 807 



