INDEX 



1177 



Respiratory quotient in sleep, 515 

 influence of sex on, 516 

 variations in, from character of 

 food, 515 



sounds, 476 



variations in blood pressure, 486 

 Resistance-pressure, 350 

 Respired air, quantitative determina- 

 tion, 479 

 Resurrection plant, 37 

 Rete Malpighii, 893 



testis, 1123 

 Retina, 806, 831 



blind spot, 834 



demonstration, 835 

 form of, 836 



chemical and physical changes in, on 

 stimulation by light, 840 



corresponding points on, 873 



general structure, 831 



layers of, 831 



rods and cones, 833 



sensibility of, to colors, 884 



yellow spot, 836 

 Retinal image, formation, 846, 848 

 inversion, 848 

 size, 850 

 Retinoscopy, 867 



point of reversal in, 868 

 Retractor bulbi muscle, 870 



lentis muscle, 821 

 Retzius, fiber cells of, 786 

 Reversibility of ferments, 991 

 Revolutio cordis, 272 

 Rheocord, 102 

 Rheoscopic frog preparation, 104, 



105 

 Rhodopsin, 840. See also Visual pur- 

 ple. 

 Rhombencephalon, 664 

 Ribs, function of, in respiratory cycle, 



465 

 Rigor, calcium, 337 



caloris, 79 



chemistry of, 93 



mortis, chemistry of, 91 

 Rima glottidis, 543 



palpebraris, 807 



vocalis, 552 

 Ringer's solution, 182 



effect on heart beat, 336 

 Ritter's tetanus, 146 

 Riva-Rocci's sphygmomanometer, 367 

 Rod-granules of retina, 832 

 Rods and cones of retina, 833 



of Corti, 776 

 Rolando's substantia gelatinosa, 606 

 Roof ganglia of cerebellum, 708 

 Roots, hair-, 893 

 Rothe's rotatory apparatus for color 



discs, 881 

 Rubrospinal tract, 616 

 Russell and Brodie's niethod of esti- 

 mating coagulation time of blood, 



219 



Sac, conjunctival, 807 



dental, 1001 

 Saccule of ear, 771, 782 

 Sacral sympathetic system, 631 

 Saliva, 908 



derivation of, 909 

 fat-splitting enzyme of, 994 

 function, 993 

 general character, 918 

 milk-curdling power of, 994 

 paralytic secretion, 911 

 proteolytic enzyme of, 994 

 Salivary corpuscles, 918 

 glands, 908 



histological changes during activity, 

 910 

 character, 909 

 innervation of, 911 

 parotid, 908 

 sublingual, 908 

 submaxillary, 908 

 secretion, center for, 641 

 of adrenalin on, 916 

 of atropin on, 916 

 of ergotoxin on, 916 

 of nicotin on, 916 

 of pilocarpin on, 916 

 filtration theory of, facts dis- 

 proving, 917 

 mechanism, 913 

 Salivation, 911 

 Salted blood plasma, 223 

 Salts of milk, 902 

 Sand, brain-, 981 

 Santorini, duct of, 932 

 Sarcolactic acid, 1041 

 Sarcolemma, 44 

 Sarcoplasm, 44 

 Sarcostyles, 44 

 Scala tympani, 772 



vestibuli, 772 

 Scapular reflex, 598 

 Schafer's air plethysmograph, 398 

 theory of muscle contraction, 50 

 of structure of protoplasm, 24 

 Scheiner's accommodation experiment, 



827 

 Schlemm, canal of, 805 

 Schonbein and Clausius' ozone-autozone 



theory of activation of oxygen, 511 

 Schultze, comma tract of, 616 

 Sciatic center, 595 



nerve, vasomotor reaction, 421 

 Sclera, 805 

 Scrotal reflex, 598 

 Scrotum, 1122 

 Scurvy, cause, 927 

 Sea-sickness, 790 

 Sebaceous glands, 894 

 Sebum, 895 

 Second sight, 861 

 Secretion, 936 

 gastric, 927 

 Secretion externe, 951 

 interne, 951 



