INDEX. 



575 



Pneumogastric nerves, their influence 

 on the secretion of the gastric juice, 

 iii. 306 



Potassium and sodium, their relations 

 in the blood-cells and the intercel- 

 lular fluid, ii. 189 

 Propionic acid, i. 53 

 Protein, i. 326 



binoxide of, i. 354 

 teroxide of, i. 389 



Protein-bodies, probable constitution 

 of the, iii. 474 



derivatives of, i. 391 

 their formation in plants, iii. 198 

 their importance in the meta- 

 morphosis of matter, iii. 208 



their conversion into fat, iii. 213 

 the action of the intestinal juice 

 on the, iii. 516 

 Ptyalin, ii. 14, 20 

 Pulmonic acid. See Pneumic acid, 



iii. 463 



Purpurate of ammonia, i. 207 

 Purpuric acid, i. 208 

 Pus, iii. 147 

 Pus -corpuscles. See Cytoid corpuscles, 



iii. 147 



Pvin identical with teroxide of pro- 

 tein, i. 391; ii. 373, 376; iii. 156 

 Pyroleic acid, i. 76 

 Pyrotartaric acid, i. 77 

 Pyrrhol, i. 131 



QUANTITIES in which the animal fluids 

 are formed, the importance of deter- 

 mining, ii. 7 



RACHITIC bones, analysis of, iii. 27 

 Seduction, processes of, in animals, iii. 



206 



Eesino-bezoardic acid, ii. 153 

 Resorption. See Absorption, iii. 251- 



268 

 Respiration, iii. 324 



the mechanical conditions influ- 

 encing it, iii. 326 



methods of investigation, iii. 329 

 the interchange of gases in the 

 lungs, iii. 332 



the expired air, iii. 333 

 its volume, iii. 333 

 its temperature, iii. 333 

 its amount of aqueous vapour, 

 iii. 333 



its amount of nitrogen, iii. 

 333; of ammonia, iii. 559 

 the amount of carbonic acid ex- 

 haled and oxygen absorbed in 24 

 hours, iii. 335 



influence of the frequency of the 

 respirations on the amount of ex- 

 haled carbonic acid, iii. 336 



of the depth of the respirations 

 on the amount of exhaled carbonic 

 acid, iii. 340 



respiration of artificial atmos- 

 pheres, iii. 341 



influence of temperature on the, 

 iii. 344 



of moisture, iii. 346 

 of the pressure of the air, iii. 

 348 



of different periods of the day, 

 iii. 350 



of inanition, iii. 351 

 of digestion, iii. 354 

 of the chemical nature of the 

 food, iii. 355 



of the quantity of the food, iii. 

 359 



of sleep and hibernation, iii. 

 363 



of age and sex, iii. 365 

 Respiration in different classes of ani- 

 mals, iii, 366 



in mammals, iii. 367 

 in birds, iii. 367 

 in the eggs of birds, iii. 369 

 in amphibians, iii. 370 

 in insects, iii. 371 

 in fishes, iii. 372 

 intestinal, of certain fishes, iii. 

 373 



in worms, iii. 374 

 Respiration in diseases, iii. 376 

 in inflammation, iii. 378 

 in chlorosis, iii. 380 

 in pulmonary tuberculosis, iii. 

 381, 560 



in cholera, iii. 381 

 in typhus, iii. 381 



Respiration, importance of a know- 

 ledge of the chemistry of, in relation 

 to medical treatment, iii. 382 

 theory of, iii. 383 



source of the carbonic acid in 

 the blood, iii. 384 



interchange of gases in the 

 parenchyma of the organs, iii. 386 

 the oxygen in the arterial 

 blood is for the most part chemi- 

 cally combined, iii. 387 



the laws controlling the inter- 

 change of the gases in the lungs, 

 iii. 389 



application of Graham's law of 

 the diffusion of gases, iii, 390 



application of the laws of 

 Henry and Dalton, regarding the 

 absorption of gases, iii. 391 

 Respiration of plants, iii. 179 

 Respiratory equivalents, iii. 358 

 ROSE on the ashes of organic sub- 

 stances, i. 407 



