INDEX. 



851 



Secretion, organs and tissues of, 298 



process of, 304 

 Secretions, internal, 312 



relations between, 306 

 Segmentation in chick, 769 

 Semicircular canals, 679 

 Semilunes of Heideuhain, 335 

 Sensations, common, 657 



of color, 734 



special, 658 

 Sense, muscular, 665 



of pain, 664 



of sight, 693 



of smell, 670 



of taste, 667 



of temperature, 663 



of touch. 660 



organs, development of, 810 

 ^Senses, 657 

 Sensory centres, 639 

 Septum lucidum, 563 

 .Serous membranes, functions of, 299 



in secretion, 298 

 -Serum, 132, 152 



-albumin, 115, 152 



-globulin, 135, 153 

 Seventh nerve, 604 

 *Vxual organs, female, physiology of, 



757 



male, physiology of, 763 

 Sighing, 279 

 Sight, 693 

 Singing, 280 

 Sixth nerve, 604 



Size (of objects), estimation of, 731 

 Skatol, 403, 832 

 .Skatoxyl, 403 

 Skein, 15 



Skeletal muscle, 82 

 Skin, functions of, 496 



glands of, 492 



papillae of, 491 



structure and functions of, 489 

 Sleep, 637 

 Small intestine, 371 



glands of, 373 



structure of, 371 



summary of digestion, 398 

 Smell, 670 

 Sneezing, 280 

 Sniffing, 280 



Soaps, 826 



Sobbing, 281 



Solidity, judgment of, 742 



Somatopleure, 775 



Somnambulism, 638 



Sounds, 691 



Speaking, 280 



Special respiratory acts, 278 



sensations, 658 

 Speech, 549 



action of tongue in, 551 /\ 

 Spermatoblasts, 753 

 Spermatozoa, 763 

 Sphygmogram, 219 

 Sphygmograph, 216, 218 

 Sphygmometer, 218 

 Spinal accessory nerve, 611 

 bulb, 582 

 centres, 578 

 cord, 560 



antero-lateral ascending tract, 



567 

 antero-lateral descending tract, 



566 



ascending degeneration of, 565 

 columns of, 565 

 .comma tract, 566 

 conduction in, 572 

 course of motor impressions in, 



574 

 course of sensory impressions 



in, 573 



descending degeneration of, 565 

 development of, 807 

 direct cerebellar tract, 567 

 direct pyramidal tract, 566 

 functions of, 572 

 gray matter of, 563 

 peculiarities of different re- 

 gions, 570 



postero-median column, 566 

 posterior marginal zone, 567 

 reflex action in, 575 

 white matter of, 560 

 nerve-roots, functions of, 571 

 nerves, 567 



anterior roots, 568 

 course of fibres of, 568 

 development of, 806 

 posterior roots, 569 

 Spirem, 15 



