INDEX. 



1039 



Respiration, abdominal type, 650 



acapnia, 701, 707 



accessory centers of, in the brain, 



695 

 respiratory movements, 651 



anatomy of thorax, 644 



apnea, 699 



artificial, 655, 664 



asphyxia, 700 



aspiratory action of, on blood-flow, 

 661 



automatic action of respiratory 

 center, 687 



bronchoconstrictor and broncho- 

 dilator fibers, 702 



calorimeter, 950 



capacity of the bronchi, 655 



chamber, 893 



chemical composition of inspired 

 and expired air, 665 



Cheyne-Stokes type of, 710, 711 



complemental air, 654 



condition of carbon dioxid in blood, 

 679 



costal, 650 



definition of inspiration and expira- 

 tion, 645 



dissociation of oxyhemoglobin, 678 



dyspnea, 649, 699 



effect of anemia upon, 711 



of changes in barometric pressure 



upon, 706 



in composition of air, 705 

 of muscular work upon, 704 



exchange of gases in, 665 



forced, 649 



gaseous exchange in lungs, 681 



gases of blood, 669 



history of, 640 



hyperpnea, 699 



increased heart-rate during inspira- 

 tion, 576 



injurious effect of expired air, 666 



intrapulmonic pressure, 657 



intrathoracic pressure, 658 



mechanism of inspiration, 646 



methods of recording, 651 



minimal air, 654 



modified, respiratory movements, 

 710 



mountain sickness, 706 



muscles of expiration, 648 

 of inspiration, 648 



negative pressure in thorax, 659 



normal stimulus of, 695 

 ventilation of alveoli, 655 



of swallowing, 715 



origin of negative pressure in 

 thorax, 660 



physical theory of, 680 



physiological anatomy of organs of, 

 644 



Respiration, pneumothorax, 661 

 reflex stimulation of respiratory 



center, 688 



relation of vagus nerve to , 689 

 residual air, 654 

 respiratory center, 685 

 quotient, 708 



waves of blood-pressure, 662 

 secretion of gases in lungs, 683 

 spinal respiratory centers, 686 

 supplemental air, 654 

 tension of gases in alveolar air, 682 

 in arterial blood, 682 

 in tissues, 683 

 in venous blood, 682 

 tidal air, 654 

 value of nitrogen in, 676 

 ventilation, principles of, 666 

 vital capacity, 653 

 volumes of air respired, 652 

 voluntary control of, 693 

 Respiratory center, 685, 694 

 automatic activity of, 687 

 normal stimulus of, 695 

 reflex stimulation of, 697 

 movements, electrical changes in, 



692 



quotient, 708 



waves of blood-pressure, 662 

 Restiform body, 235 

 Retina, action current of, 337 

 acuity of vision in, 343 

 after-images from, 352 

 color-blindness of, 354 

 contrasts in, 353 

 vision in, 349 



corresponding points of, 372 

 distribution of color sense in, 357 

 entoptic phenomena, 366 

 function of rods and cones of, 358 

 fundamental and complementary 



colors, 351 

 light adapted and dark adapted, 



346 



portion of, stimulated by light, 336 

 projection of, on occipital lobes, 210 

 qualities of visual sensations from, 



349 



size of fovea in, 343 

 theories of color vision in, 360 

 threshold stimulus of, 345 

 visual purple of, 338 

 Retinoscope, 333 



Reversible chemical reactions, 744 

 Rheoscopic frog preparation, 104 

 Rhodopsin, 338 



Ribs, action of, in inspiration, 647 

 Rice, relation to beri-beri, 904 

 Rigor of muscle, 52, 68 

 Ringer's solution, 571 

 Ritter's tetanus, 90 

 Rivinus, ducts of, 752 



