INDEX 



441 



Refraction of light, 110 

 Reid on absorption, 358 

 Relation of haemoglobin and its 



derivations, 199 

 Remak's ganglion, 238 

 Rennet, 319, 411 

 Rennin, 337 



source of, 33G 

 Reproduction, 413 

 Reserve air, 286 

 Residual air, 287 



contraction, period of (see Systole) 

 Respiration, 277 ct seq. 



effect on air breathed of, 298 



effect on the blood, 299 



at high altitudes, 303 



influence of heart's action on, 

 297 



internal, 303 



mechanism of, 277 et seq. 



movements in (special), 285 



nervous mechanism of, 289 



physiology of, 279 



rhythm of, 289 

 Respiratory centre, 290 



action of, 291 



effect of absence of oxygen on, 

 294 



effect of accumulation of waste 

 products in the blood, 295 



effect of carbon dioxide on, 294 



effect of temperature of animal 

 on, 295 



modifications in activity of, 



294 



Respiratory interchange, extent of, 

 304 



interchange, factors modifying, 

 304, 305 



quotient, 299 



quotient, effect of diet on, 305 

 Restiform bodies, 155 

 Rete testis, 414 

 Retina, 108 et seq. 



blood vessels of, 109 



corresponding areas on the two 

 sides, 124 



nature of changes in, 118 



stimulation of, 116, 118 



rods and cones of, 109 

 Rhythmic contraction of the heart, 

 236 



contraction, propagation of, 236 



contraction, starting mechanism 



of, 237 



Rigor mortis, 74 

 Rolandic area, 183, 185 

 Rolando (see Fissure) 

 Roof nucleus of the cerebellum, 161 

 Roots of the spinal nerves, 142 

 Roy's cardiometer, 234 



SACCHAKOMYCES cerevisae, 4 

 Saccule, 133 



St. Martin (see Beaumont) 

 Saliva, 328 



functions of, 329 



influence of chorda tympani in 

 secretion of, 330 



physiology of, 329 



reflex stimulation of secretion, 

 331 



stimulation of sympathetic, effect 



on, 331 

 Salivary glands, 324 et seq. 



glands, nerve supply, 327, 329 



et seq. 



Salol, rate of passage through intes- 

 tine, 355 

 Salts of the bile acids, 341, 352 



fate of, 352 

 Sanson's images, 112 

 Sarcolactic acid, 43 

 Sarcolemma, 40, 41 

 Sarcous substance, 41 

 Scala media, 133 

 Schafer's investigations of brain 



functions, 182, 183 

 Schemer's experiment, 111 

 Schwann, white sheath of, 78 

 Sciatic nerve, 264 

 Sclerotic, 107 

 Sebaceous glands, 409-410 

 Secretion, 391 



internal, 384 et seq. 

 Sectional area of circulatory system, 



210 



Semen, 414, 415 

 Semicircular canals, 132 et seq. 



canals, physiology of, 164 

 Semilunar valves, 216 



valves, action of, 229 

 Seminiferous tubules, 414 

 Sensation, 94 



colour, 119 



physiology of colour, 120 



production of colour, 121 



of hunger, 95 



of pain, 96 



of smell, 139 



of taste, 138 



of thirst, 95 



visual, 129 

 Sense (The Senses), 95 et seq. 



of acceleration and retardation 

 of motion, 164 



joint and muscle, 97 et seq., 164 



special, 98 et seq. 



of smell, 139 



tactile, 98 



of taste, 138 



temperature, 101 



visual, 102 et seq. 



29 



