746 



INDEX. 



Pulse, the, 302 



tracings, 305 



variations in the, 307 

 Pupil of eye, 556 



Pupil, circumstances affecting the, 

 576 



contraction of, 576 



dilatation of, 576 

 Pylorus, 114 



Quadratus lumborum, 330 



Ranvier's nodes, 40, 495 

 Receptaculum chyli, 190 

 Recording apparatus, 292 

 Recti muscles of the eye, 591 

 Reflex action, 515 



experiment on human subject, 

 620 



experiment on frogs, 619 



in the spinal cord, 616 



theory of, 622 

 Reflex centres, special, 625 

 Reflexion, 626 



of nerve cells, 515 

 Refraction, 562 



Refracting media of the eye, 564 

 Reproduction, 651 

 Reserve air, 337 

 Residual air, 337 



Respiration, afferent and efferent 

 nerves, 343 



automatic nerve centre, 342 



chemistry of, 347 



differences in male and female, 

 328, 349 



external, 319 



internal or tissue, 319, 355 



mechanism of, 318 



nervous mechanism of, 339 



of abnormal air, 355 



variations of pressure in, 336 

 Respirations, rate of, 327 

 Respiratory centre in medulla oblon- 

 gata, 630 



gas interchange, 349 



sounds, 339 

 Restiform bodies, 629 

 Reticulum, 365 

 Retina, 558, 567, 577 



stimulation of the, 583 



Retina, structure of, 580 

 Revolving cylinder, 292 

 Rheoscopic frog, 455 

 Ribs, 324 

 Rigor mortis, 471 

 Ritter's tetanus, 500 

 Rods and cones, 581 



of Corti, 607 

 Rotation of the eyeball, 590 



Saccules of ear, 717 

 Sacculated glands, 125 

 Saliva, composition of, 129 

 Salivary corpuscles, 129 



glands, 126 



Salivary secretion, nerve mechanism 

 of, 132 



method of, 130 

 Saponification, 161 

 Sarcolactic acid, 453 

 Sarcous elements, 441 

 Sarcolemma, 43, 440 

 Scaleni muscles, 331 

 Schemer's experiment, 567 

 Sclerotic coat of eye, 555 

 Sebaceous glands, 377 

 Secretions, 374 



Secreting gland cells, changes in, 137 

 Segmentation in the ovum, 657 

 Semicircular canals, 604 



development of the, 717 

 Semilunar valves, 255 

 Sensations, general, 545 

 Sense of touch, 535 

 Sensorium, 541 

 Sensory nerve roots, 517 

 Serratus posticus inferior, 333 

 Serum albumin, 60 

 Seventh nerve, 494 

 Sexual distinction, 693 



organs, development of the, 694 

 Shivering, 547 

 Sighing, 346 

 Sight, long, 571 



short, 571 



Skeletal muscles, 474 

 Skin sensations, 535 

 Skull and face, development of the, 



718 



Smell, sense of, 551 

 Sneezing, 345 



centre, 631 



