GENERAL INDEX. 



545 



Potassium salts, relation of, to irritability, ii. 59 

 toxicity of, i. 520 



sulphocyanide, detection of, i. 284 

 occurrence of, i. 283, 542 

 of the urine, i. 507 



thiocyanide, i. 542 

 Potential energy of food, i. 364 

 Preformation theory of heredity, ii. 500 

 Pre-ganglionic fibres of the sympathetic system, 



ii. 219 

 Pregnancy, effects of, on the mother, ii. 477 

 Presbyopia, ii. 314 

 Pressor nerves, i. 202 



Pressure, ett'ect of, on irritability of nerves, ii. 

 56 



influence of, on conductivity, ii. 92 



intracardiac, i. 107 



intrathoracic, i. 396, 409 



intraventricular, i. 125 



of the lymph, i. 146 

 Pressure-points of the skin, ii. 396 

 Pressure-sensations, fusion of, ii. 394 

 Pressure-sense, delicacy of, ii. 392 



of the tympanic membrane, ii. 382 

 Primary position of the eye, ii. 299 



taste-sensations, ii. 412 

 Principal foci in a dioptric system, ii. 302 



point of the simplest dioptric system, ii. 301 



ray in the simplest dioptric system, ii. 301 

 Processus brevis of the malleus, ii. 365 



gracilis sive folianus of the malleus, ii. 365 

 Projection system of fibres, origin of, from 



central cells, ii. 205 

 Pronucleus, female, ii. 453 



male, ii. 466 

 Propeptones, definition of, i. 292 

 Propionic acid, i. 538 

 Proptosis after cerebellar injury, ii. 272 

 Propyl alcohol, i. 536, 538 

 Prostate glands, ii. 443 

 histology of, ii. 448 

 secretion of, ii. 446 

 Prostatic fluid, ii. 446, 448 

 Protagon, i. 559 



of medullary substance, ii. 170 

 Protamin, nature and origin of, i. 24 

 Protamins, properties of, i. 580 

 Proteid, affinity of cell-substance for, i. 568 



circulating, definition of, i. 346 



metabolism during starvation, i. 363 

 effect of muscular work on, i. 360 

 end-products of, i. 337 

 Proteid-absorption, mechanism of, i. 316 

 Proteids, absorption of, i. 315 



classification of, i. 576 



color reactions of, i. 576 



combined, classification of, i. 579 



combustion equivalent of, i. 365 



diffusion of, i. 70 



dynamic value of. i. 175 



effect of, on glycogen formation, i. 328 



gastric digestion of, i. 292 



general reactions of, i. 575 

 significance of, i. 2 1 



living, theoretical structure of, i. 23, 24 



molecular structure of, i. 581 



nutritive- value of, i. 276, 345 



of milk, i. 261 



of muscle, precipitation temperatures of, ii. 



166 

 of muscle-serum, ii. 166 

 of the blood, i 49, 50 

 origin of fat from, i. 351 



osmotic pressure of, i. 69 



putrefaction of, in the intestines, i. 310 

 rapidity of oxidation of, i. 347 

 relation of, to muscular work, ii. 74 



Proteids, simple, classification of, i. 576 

 substitutes for, in the diet, i. 348 

 synthesis of, i. 518, 582 

 tryptic digestion of, i. 303 

 vegetable, i. 577 

 Proteolysis, i. 293 

 tryptic, i. 303 

 value of, i. 315 

 Proteolytic enzymes, definition of, i. 280 

 Proteose injection, effects of, i. 316 

 Proteoses, definition of, i. 292 



properties of, i. 577 

 Prothrombin, i. 58 

 Protoplasm, i. 17, 199 

 Pseudo-mucoid, i. 578 

 Pseudoscopic vision, ii. 318, 357 

 Psychical powers of the spinal cord, ii. 215 

 Psycho-physic law, ii. 340 



of Fechner, ii. 393 

 Pterygoid muscles, i. 372 

 Ptomaines, chemical structure of, i. 542 

 Ptyalin, i. 221, 280 

 action of, i. 284, 286, 566 

 occurrence of, i. 284 

 Puberty, ii. 489 



Pulmonary circulation, i. 78, 103 

 innervation of, i. 205 

 ventilation, forces concerned in, i. 413 

 Pulse, arterial, cause of, i. 93 

 celerity of, i. 1 12 

 definition of, i. 139 

 dicrotic wave of, i. 143 

 extinction of, i. 94 

 frequency of, i. 121, 141 

 regularity of, i. 141 



respiratory variations in the rate of, i. 451 

 size of, i. 1 11 

 tension of, i. 141 

 transmission of, i. 140 

 relation of, to body-temperature, i. 471 

 respiratory, i. 96 

 Pulse-curve, i. 142 



Pulse-rate, diurnal variations of, 121 

 Pulse-volume of the heart, definition of. i. 105 

 Pupil, changes during accommodation in, ii. 

 311 

 in size of, ii. 323 

 condition of, in sleep, ii. 325 

 dilator nerves, ii. 324 

 size of, in old age, ii. 314 

 Pupillary reflex to light, ii. 323 

 I'lirin, i. 553 

 bases, i. 552 

 in leucocythsemia, i. 557 

 Purkinje-Sanson's images, ii. 307 

 Purkinje's figure, ii. 321 

 phenomenon, ii. 340 

 explanat ion of. ii. .'! 12 

 Purposeful reflexes, ii. 215 



Putrefaction, intestinal, products of, i. 310 

 Putrescin, i. 543 



Pyin, i. 579 



Pyramidal fibres, number of, ii. 216 



nerve-cells, development of, ii. 178 

 tracts in t he cold. ii. 215 

 geminal fibres of, ii. 215 

 size of, ii. 252 

 Pyramidal is muscle, expiratory action of, i. 



107 

 Pyridin, L 571 

 Pyrocatechin, i. 569 



Qi ldbat] lumborum, respiratory action of, i. 



399 

 Quadruplets, ii. 183 



Qualitv of musical tones, ii. 383 

 of the voice, ii. 130 



