546 



<; i;m:l'.\l index. 



Quinine, action of, on coagulation of muscle- 

 plasma, ii. 164 



hydrochlorate, actii f, on salivary glands, 



i. 222 



Quintuplets, ii. 483 



I; \i IB, relation of brain-weight to, ii. 278 

 Range of accommodation, normal, ii. 312 

 Rarefied an-, respiration of, i. 152 

 Kali of conduction in heart muscle, i. 154 

 in muscles, ii. -7 

 in nerves, ii. 89 

 of excitation, effect of. <m the contraction 



curve, ii. Ill 

 of heart-beat, variations of, i. 121 

 of progress of the food in the intestines, i. 314 

 of respiratory movements, i. 425 

 of stimulation in voluntary contractions, ii. 

 133 

 limitations of, for muscle, ii. 126 

 required to tetanize, ii. 125 

 of transmission of the pulse, i. 140 

 Reaction, influence of, on action of jitvalin, i. 

 286 

 of bile, i. 322 

 of blood, i. 34 

 of degeneration, ii. 48, 54 

 of gastric juice, i. 288 

 of intestinal contents, i. 310 

 of muscles, ii. 159 

 of nerve-cells, ii. lit] 

 of nerve-fibres, ii. 170 

 of pancreatic juice, i. -232, 300 

 of succiis entericus, i. 308 

 of sweat, i. 342 

 of urine, i. 250, 334 

 time, ii. 291 



in old age, ii. 491 

 Rectus abdominis, expiratory action of, i. 407 

 Recurrent laryngeal nerve, ii. 428 



sensibility of the anterior roots, ii. 204 

 Red corpuscles, behavior of, in the capillaries, i. 

 81 

 color of, i. 35 

 composition of. i. 51 

 disintegration of, i. 45 

 form of, i. 35 

 function of. i. 35 

 number of. i. 35 

 origin of. i. 4.">, 4fi, 333 

 size of. i. :;."> 

 structure of, i. 35 

 variations in the number of, i. 46 

 Red-striped muscles, physiological properties of, 



ii. 10!) 

 Reduced eye, ii. 304 

 Reduction, i. 502 



processes in the animal body. i. 536 

 Reflex acceleration of the heart, i. 177 

 actions, simple, ii. 208 

 arc. ii. 209 

 coughs, i. 155 

 discharge of bile, i. 248 

 frog, ii. 209 



inhibition of the heart, i. 172 

 secretion of gastric juice, i. 239 

 of pancreatic juice, i. 236 

 of saliva, i. 230 

 segmental reaction, ii. 210 

 stimulation of the nervous system, ii. 208 

 tonus of muscular tissues, ii. 220 

 vaso motor changes, i. 202 

 Reflexes, co-ordinated, ii. 211 

 co-ordination of the efferent impulses in. ii. 



21 1 

 effect of location of stimulus on, ii. 209 

 of strength of stimulus on. ii. 210 



Relieves from the isolated cord in man, ii. 213 

 lumbar cord, ii. 213 



in different vertebrates, ii. 212 



in man, ii. 216 



latent period of, ii. 211 



of a purposeful character, ii. 215 



periodic, ii. 216 



simple, ii. 208 



spinal, ii. 212 



reinforcement of, ii. 222 



summation of stimuli in, ii. 211 



through sympathetic ganglia, vaso-motor, i. 

 2()() ' 



voluntary control of, ii. 214 

 Refractive index of the aqueous humor, ii. 303 

 of the lens, ii. 303 

 of the vitreous humor, ii. 303 



media of the eye, ii. 302 



surfaces of the eye, ii. 303 

 " Refractory period" of nerves, ii. 57, 66 



of the heart, i. 156, 158 

 Regeneration of blood after hemorrhage, i. 63 



of lost parts, ii. 496 



of nerves, ii. 78, 199 

 Registers of the voice, ii. 432 

 Regular astigmatism, ii. 317 

 Reinforcement of reflexes, ii. 222 



of the knee-kick, ii. 222 

 Reissner, membrane of, ii. 374, 379 

 Rejuvenescence by sexual reproduction, ii. 442 

 Relaxation of muscle, nature of, ii. 99 

 Eennin, i. 238 



action of, on milk, i. 296 



occurrence of, in gastric juice, i. 295 



of the kidneys, i. 274 



preparation of, i. 295 

 Reproduction, asexual, ii. 439 



of leucophrys patula, ii. 442 



of living matter, i. 18, 20 



of onychodronius, ii. 442 



of stylonichia, ii. 442 



sexual, ii. 440 



elements of, ii. 440 



theory of, ii. 441 

 Reproductive organs, female, ii. 449 

 internal secretions of, ii. 462 

 male, ii. 443 

 vaso-motor nerves of, i. 208 



process, ii. 463 

 Residual air, definition of, i. 427 

 Resonance of the ear, ii. 388 

 Resonants, ii. 436 



Resonators, analysis of sounds by, ii. 385 

 Respiration, artificial, i. 446 



associated movements of, i. 408 



cutaneous, i. 422 



definition of, i. 395 



heat dissipated in, i. 488 



intensity of. i. 429 



internal, i. 422 



nervous mechanism of, i. 455 



rhythm of. i. 423 

 Respiratory activity, conditions affecting, i. 429 



cent res. i. 155 



afferenl nerves to, i. 459 



conditions influencing, i. 458 



total, i. Mil 



rhythmicity of. i. 15- 

 food-Stuffs, definition of, i. 346 

 movements, circulatory effects of, i. 447 



duration of, i. I'.'l 



effect of, on blood-pressure, i. 448 

 on venous circulation, i. 95, 96 



frequency of, i. 125 



Bpecial, i. 453 

 nerves, afferent, i. 460 



efferent, i. 463 



