634: 



COMPARATIVE PHYSIOLOGY. 



Parturition, 128. 



Pathological re food-stuffs, HI. 



muscle, IGV. 



circulation, 244, 266. 



bile, 318. 



stomach, 330, 337. 



lymphatics, 352. 



fseces, 364. 



digestion, 359. 



respiration, 379, 401, 403. 



skin, 411. 



urine, 423. 



expulsion of urine, 426. 



metabolism, 436, 443. 



temperature, 449. 



spinal cord, 471. 



brain, 508, 509. 



muscular sense, 624. 



vision, 536, 554. 



hearing, 563. 



spinal nerves, 580. 



third and other nerves, 582, 585, 

 587, 688. 



voice, 598. * 



Peculiar respiratory movements, 401. 

 Peptones, 145. 

 Pendulum myograph, 184. 

 Perspiration, excretion of, 412. 

 Periods of gestation, 127. 

 Pfliiger's monograph, 181. 

 Physiology of unicellular plants, 10. 



of protococcus, 12. 



unicellular animals, 13. 



nerves, 195. 

 Physiological aspects of development, 

 118. 



research and reasoning, 148. 

 Placenta, 82. 



discoidal, 83. 



metadiscoidal, 84. 



zonary, 89. 



diffuse, 89. 



polycotyledonary, 89. 



Simple, 90. 



Placenta multiple, 90. 



microscopic structure of, 90. 



Pneumogastric nerve, 586. 

 Polyps, 23. 



Pressure, endocardiac, 236. 

 Pressure sensations, 522. 

 Proteids, general characteristics of, 

 144. 



of milk, 276. 

 Proteus animalcule, 13. 

 Protococcus, 11. 

 Protozoa, 5, 53. 

 Protective and excretory function of 



skin, 408. 

 Protective mechanism of the eye, 549. 

 Protoplasm, 3. 

 Proximate principles, 144. 

 Pulse, 241. 



the venous; 244. 

 Psychological aspects of vision, 543. 



Quantity and distribution of blood, 

 163, 



of blood, influence on blood-press- 

 ure, 261. 



of air respired, 378. 



Reflex functions of the spinal cord, 



466. 

 Regulation of temperature, 447. 

 Relations of cerebro-spinal and sym- 

 pathetic symptoms, 588. 

 Relative value of food-stuffs, 444. 



time occupied by cardiac cycle, 237. 

 Removal of digested products from 



the alimentary canal, 341. 

 Reproduction, 51. 

 Retinal stimulation, laws of, 541. 

 Respiratory system, 366. 



rhythm, 379. 



sounds, 81. 

 Respiration, muscles of, 373. 



facial and laryngeal, 374. 



types of, 376. 



in blood, 383. 



