546 



INDEX 



Physical structure of protoplasm, 23 

 Physiologic anode and cathode, 498 

 Pia mater, 62 

 Pigeon's milk, 322 

 Pigment-cells, 324 

 Pigmentation, 324 



in pregnancy, 445 

 Pineal gland, 75, 380 

 Pitch, 350 

 Pituitary body, 228 

 Placenta, expulsion of, 447 

 Plane mirrors, 520 

 Plasma, 255 



Plasticity of protoplasm, 47 

 Plastids, red, 263 

 Platelets, 258, 269 



Pleasantness or unpleasantness of emo- 

 tion, 409 

 Pleasure, 369 



end-organs, 368 

 Pleura, 116 

 Plexus, perivascular, 61 



peripheral, 94 



pre vertebral, 94 

 Pneumatics of respiration, 476 

 Pneumogastric, 88, 111, 199, 295, 516 



action on abdominal viscera, 199, 210 

 Pneumothorax, 477 

 Poikilotherms, 229 



temperature of, 229 

 Polar inhibition in heart, 506 



stimulation, 498 

 Pole-changes, 471 

 Polymorphonuclears, 267 

 Polynuclears, 267 

 Polypeptids, 192 

 Poris varolii, 75 

 Posterior roots, 91 

 Posture, 390 

 Postganglionic fibers, 95 

 Preganglionic fibers, 95 

 Pregnancy, 442 



diet in, 158 



duration of, 441 



ectopic, 433 

 Presbyopia, 527 

 Pressure in the heart, 290 

 Pressure-sense, 351 

 Pre vertebral plexuses, 93 

 Prisms, 521 



Production of energy, 42 

 Propeptones, 192 

 Prophases of mitosis, 46 

 Proportion of diet's components, 145 

 Prostate, 438 

 Protamine, 438 

 Protection by the skin, 313 

 Protein, 27, 29, 30 



empirical formulae of, 28 



osmosis of, 529 

 Prothrombin, 262 

 Proto-albumose, 192 

 Protoplasm, 17, 459 ' 



a morphological term, 20 



chemical composition of, 25 



Protoplasm, inherently unstable, 25, 27 

 Protrypsinogen, 271 

 Proximate principles, 26, 133 



nutrient, 135 

 Pseudopodia, 38, 49 

 Psychological terms, 400 

 Ptyalin, 189 

 Puberty in the female, 430 



in the male, 429 

 Pulmonary capillary circulation, 115 



nerves, 111, 113 

 Pulse, 298 



dicrotic, 472 



forms of, 472, 474, 475 , 

 Pulse-rate, 286 



seven things told by, 298 

 Pulse-wave, 284 

 Pupil, 343 



Pure sensations, 405 

 Purkinje cells, 61, 77 

 Purposive movements, 54, 71, 411 

 Pyloric valve, 185, 197 



QUALITATIVE adaptation of diets, 153 

 Qualities of sounds, 350 

 Quality of food, 140, 151 

 Quantitative, adaptation of diets, 140 



RACE-suicide and over-civilized women, 

 445 



Rales, 127 



Ranvier, nodes of, 57 



Ration, daily, 144 



Reaction-time, 360, 412 



Reason, 418 



Receptive apparatus of eye, 337 

 of ear, 348 



Reciprocal action between flexion and ex- 

 tension, 71, 398, 409 

 of thermotaxis, 232 

 of vasomotion, 237, 301 



Recoil of arterial walls, 279 



Recurrent sensibility, 92 



Rectum, 211 



Reduced eye, 338 



Referred pain, 92 



Reflex movements, 83, 410 



Reflexes, list of, 84, 85 



Reflexion, 83 



Refraction, 521 



by spectacle lenses, 524 

 in the eye, 526 



Refractory period of heart, 504 



Regio olfactoria, 362 



Relation to environment, 327 



Relations of body and mind, 406, 411, 



414, 418 

 some theories of, 419 



Relaxation of auricles, 282 



