INDEX. 



501 



Odorous principles, 66 



exhalation of, by the lungs, . 450 



Organic non-nitrogenized princi- 

 ples, general considerations,.. 27, 69 

 Organic nitrogenized principles, 

 composition, properties, and 

 condition of, in the organism, . . 71 



table of, 75 



summary of properties of, ... 93 



Organic matter, exhalation of, in 



respiration, 449 



Osteine, 91 



Otoconies, or otoliths, 18 



Oxygen, discovery of, 412 



minimum proportion in the 



air which will support life, 414 



effects of confining animals 



in atmosphere of, 415 



consumption of, in respira- 

 tion, 416, 476 



influence of age on consump- 

 tion of, 421 



influence of temperature, .... 420 



consumption of, in hiberna- 

 tion, 422 



absorption of, by blood-cor- 

 puscles, 455 



proportion in arterial and 



venous blood, 464 



condition of, in the blood, . . 466 



Ozone, 414 



Pancreatine, 88 



Pepsin, 88 



Pectoral muscles, action of, in res- 

 piration, 380 



Phosphate of lime (table of quan- 

 tity of ), 40 



Phosphates of magnesia, soda, and 



potassa, 45 



Physiology, definition of, 14 



Piezometer (note), 267 



Pneumic acid, 68 



action of, on the bicarbonates 



in the blood, 446 



Pneurnate of soda, 69 



Poisonous gases, exhalation of, by 



the lungs, 450 



Proximate principles, general con- 

 siderations, 20-24 



inorganic, 25 



do. (table), 28 



organic non-nitrogenized, ... 25 



organic nitrogeuized, 27 



Proteine, 73 



Pulmonary artery, pressure of 

 blood in, . 341 



Pulse, mechanism of production of, 252 



frequency of, 212 



form of, 254 



dicrotic, 257 



variations in character of,. . . 260 



influence of temperature on, 260 



Putrefaction, 73 



Rennet, 87 



Respiration, influence of, on the 



action of the heart, 217 



general considerations, 353 



movements of, 366 



frequency of movements of,. 391 



movements of ribs in, 374 



types of, 389 



relations of inspiration and 



expiration, 392 



relations in volume of in- 

 spired and expired air, 405 



changes of air in (historical 



considerations), 409 



- consumption of oxygen in 



(see Oxygen), 416 



effect of confining an animal 



in a mixture of oxygen and hy- 

 drogen, 422 



exhalation of carbonic acid 



(see Carbonic Acid), 424 



relations between the quan- 

 tity of oxygen consumed and 



carbonic acid exhaled, 443 



exhalation of watery vapor, . . 446 



exhalation of ammonia, .... 448 



exhalation of organic matter, 449 



exhalation of alcohol, 450 



exhalation of odorous princi- 

 ples, 450 



exhalation of certain poison- 

 ous gases, 450 



exhalation of nitrogen, 451 



changes of the blood in, .... 452 



absorption of oxygen by the 



blood-corpuscles, 455 



proportions of gases in venous 



and arterial blood, . . . 456, 464-470 



relations of, to nutrition, 472 



combustion-theory of, . . 473-476 



consumption of oxygen, .... 476 



production of carbonic acid, 478 



cutaneous, 489 



Respiratory organs, anatomy of,.. 357 

 Respiratory sounds (murmurs),.. . 393 

 Respiratory sense, the sensation 

 inducing respiratory move- 

 ments, 479-484 



Respiratory efforts before birth,. . . 487 



