896 



INDEX 



RESPIRATION. 



Respiration continued 



gases in relation to, 873, 877 



influence of nervous system, 369 



mechanism of, 351 et seq. 

 nervous, 360 



movements, 354 

 of vocal cords in, 757 



quantity of air changed, 357 

 Respiratory acts, special, 304 



apparatus, 343 

 development of, 870 



capacity of chest, 358 

 circumstances affecting, 359 



movements of glottis, 357 

 methods of recording, 354 



muscles, 351 et seq. 



nerve-centre, 360 



rate, 359 



relation to pulse-rate, ib. 

 size of animal, ib. 



relation to will, 361 et seq. 



rhythm, 353 



sounds, 356 



Restiform bodies, 635, 640-651 

 Rete testis, 817 

 Reticulum, 9 

 Retiform tissue, 46 

 Retina, 770 



blind spot, 790 



blood-vessels, 776 



changes in, during activity, 802 



duration of impression on, 791 

 of after-sensations, 801 



electrical variations in, 803 



excitation of, 790 



focal distance of, 780 



fovea centralis, 771 



functions of, 789 



image on, how formed distinctly, 779 



layers, 771 



ora serrata, ib. 



pigment-cells, 100, 774 

 movement of, 803 



pigments of, 803 



in relation to single vision, 805 



structure of, 770 



visual purple, 773, 802 

 Retinitis pigmentosa, 803 

 Retractor lentis muscle, 784 

 Rheochord, 180 



Poggendorf s, ib. 



Rheoscope, physiological, 145, 159 

 Rheoscopic frog, 145 

 Rheotome, 138 



Rhodopsin or visual purple, 802 

 Rhythmicality of movement, 101, 158 

 Ricin, 442 

 Rigor mortis, 153, 154, 156 



affects all classes of muscles, 153, 154 



phenomena and causes of, 154 

 Ritter's tetanus, 186 

 Rods and cones, 773, 790, 803 

 Rolandic area, 681, 685, 690 



injury of, 682 

 Roy's cardiometer, 246 



oncograph, 309 



oncometer, 309, 333 



tonometer, 257 



Rubner, law of conservation of energy, i 

 Rumination, 525 



Saccharic acid, 390 



Saccharoses, 889 



Sb Martin, Alexis, case of, 481, 



SENSORY IMPRESSIONS. 



Saccule, 748 



Salathe, effect of gravity on the circulation, 276 



Saliva, 474 



action of, 480 



composition, 479 



process of secretion, ib. 



reflex secretion, 478 



secretion following stimulation of nerves, 3 6, 



477 et seq. 

 Salivary glands, 474 



development of, 868 



extirpation of, 479 



influence of nervous system, 477 



secretory nerves of, 476 

 effect of section of, 477 



structure, 474 



Sanderson's cardiograph, 239 

 Sanson's images, 781 

 Saponifi cation, 395, 492 

 Sarcolemma, 80 

 Sarcomeres, 83 

 Sarcoplasm, 81 

 Sarcosine, 563 

 Sarcostyles, 81 

 Schafer, heart plethysmograph, 258 



researches on the structure of a sarcostylo, 88 



views regarding the function of the Rolandic 



area, 691 



Schemer's experiment, 783 

 Schematic eye, 778 

 Schenk on muscular contraction, 132 

 Schtttz' law, 489 



Schwann, white substance of, 176 

 Scleratogenous segment, 844 

 Sclerotic, 765 



development of, 865 

 Sebaceous glands, 578 

 Sebum, 578, 579 

 Secreting glands, 470 et seq. 



classili cation of, 472 

 Secreting membranes. See Mucous and Serous 



membranes. 

 Secretion, internal, 828 



of kidney, 548 

 pancreas, 493 



suprarenal, 339 



thyroid, 336 

 Secretory nerves, 162 



of pancreas, 493 



of salivary glands, 476 



effect of section of, 477 

 Segmentation of cells, 831 



in chick, 833 

 ovum, 831 

 Semen, 819 



spermatozoa, 819 

 Semicircular canals of ear, 741 



development of, 866 



structure, 705 et seq. 

 Semilunar valves. See Heart valves. 

 Seminiferous tubules, 817 

 Semipermeable membranes, 823 

 Sensation, 714 ct seq. 



conception, 715 



homologous stimuli, 717 



nerves of, 162 



pain, 716 (see 668) 



perception, 715 



subjective, 717 



tactile, 690, 728 



Sense, organs of, development, 866, 867 

 Sensori-motor area, 690 

 Sensory areas in cerebral cortex, 682 

 Sensory impressions, conduction of, by spinal 

 cord, 667 



In brain, 689-691 



