8i8 



INDEX. 



Sensation, continued. 

 influence of mind necessary to, 712. 

 of motion, how perceived, 628. 



muscular, 589, 710-12. 

 of necessity of breathing, 299. 

 nerves of, 477. 



convey impressions to centres 



only, 480. 



impressions on referred to peri- 

 phery, 481-3. 

 laws of action of, 490. 

 perceived in cerebrum, 534. 

 preservation of in paralysed 



nerves, 483. 



referred to exterior, 483. 

 special, 624. 

 stimuli of, 477-79. 



of special, 625-27. 

 in stumps, 482. 

 subjective, 713. 

 of thirst, 298. 

 sympathetic, 488. 

 touch a modification of, 707. 

 transference and radiation of, 



488, 501. 

 two kinds of, 624. 

 of volatile bodies, 629. 

 of weight, 711. 

 Sense, 

 of hearing, 672. See Hearing, 



Sound. 



of sight, 631. See Vision. 

 of smell, ib. See Smell, 

 of taste, 698. See Taste, 

 of touch, 707. See Touch, 

 muscular, 529, 710-12. 

 special, nerves of, 539. 

 organs of, development of, 772. 

 Senses, special, general properties of, 



623. 

 action of external and internal 



stimuli on, 626. 

 impairment of from division of 



the facial nerve, 552. 

 from division of the fifth nerve, 



548. 



influence of attention on, 630. 

 of internal impressions on nerves 



of, 626. 



qualities of external matter per- 

 ceived by, 624, 628. 

 special nerves of, 624. 

 stimulus excites in each nerve its 

 own sensation, 625. 



Sensitive impressions, conduction of, 



480. 



by spinal cord, 497, 498. 

 reference of, 481-83. 

 nerves, 477. 

 Sensory ganglia, 523. 

 Septum between auricles, formation 



of, 769. 

 between ventricles, formation of, 



768. 



Serolin, 90. 

 Serosity of blood, 88. 

 Serous layer of blastodermic mem- 

 brane, 743, 746. 

 Serous membranes, 400. 

 arrangement of, 401. 

 epithelium of, 400. 

 fluid secreted by, 402. 

 lining joints, etc., 401. 

 visceral cavities, ib. 

 purpose of, 401. 

 structure of, 400. 

 Serum, 



of blood, 87. 



chief source of albumen, 21. 

 separation of, 69, 87. 

 Seventh cerebral nerve, auditory 



portion, 680, 693. 

 facial portion, 55 * 

 Sex, influence on blood, 92. 

 influence on production of car- 

 bonic acid, 222. 



relation of to capacity of chest, 213. 



to respiratory movements, 207. 



Sexual organs and functions in the 



female, 715-32. 

 in the male, 732-40. 

 Sexual passion, connection of with 



cerebellum, 529. 

 Sighing, mechanism of, 232. 

 Sight. See Vision. 

 Silica, parts in which found, 26. 

 Singing, mechanism of, 235, 615. 

 Single vision, conditions of, 665. 

 Sinus terminalis, 752. 



urogenitalis, 781. 

 Sinuses /of dura mater, 192. 

 Sixth cerebral nerve, 542. 

 Size of field of vision, 655-58. 

 Skin, 421. 



absorption by, 439. 

 of gases, 441. 



of metallic substances, 440. 

 of water, ib. 



