INDEX. 



1589 



Sensations of taste, usually accompa- 

 nied by other sensa- 

 tions, 1397 



,, ,, caused by electrical or 



mechanical stimuli, 

 1398 



conditions of, 1399 

 ,, ,, localization of, 1400 



,, ,, distribution of terminal 



organs for, 1401 

 theories as to mode of 



origin, 1402 



,, ,, nerves for, 1403 



visual, probable progressive 



development of, 1083 

 ,, ,, general features of, 1209 



fusion of, 1213, 1217 

 ,, localization of, 1216 



of colour, 1222 

 ,, ,, ,, due to metabolic 



changes, 1232 

 ,, psychological features 



of, 1261 



,, ,, their want of agreement 



with perceptions, 1263 

 ,, ,, recurrent, 1270 



,, afferent, as factors in co-ordi- 

 nation of movement, 1013 

 ,, crossing of, from opposite he- 

 misphere of brain, 1093 

 ,, development of, along the 



spinal cord, 1101 

 ,, transmission of, within the 



brain, 1106 



,, co-ordination of motor im- 

 pulses regulated by, 1288 

 Sense, the muscular, 1433 



,, ,, of movement, of position 



and of effort, 1433 

 ,, ,, afferent impulses form- 



ing basis of, 1435 

 Sensibility, general, 1421 

 ,-, recurrent, 853 



Septal nerves of heart of frog, 278 

 Serous cavities, fluid of, 499 



,, fluids, artificial clotting of, 23 

 ,, ,, characters of, 499 

 Serum left after clotting of fibrin, 15 

 ,, chemical composition of, 18, 49 

 ,, carbonic acid in, 571 

 Serum-albumin, its characters, 19 



,, action of gastric juice and 



hydrochloric acid on, 368 



importance of, in nutrition 



of muscle, 823 

 Sex, differences of, 1547 

 Sheath, primitive, of nerve-fibre, 115 



of arteries, 195 

 Shivering from cold, temperature raised 



by, 816 

 Shock, induction, 62 



,, in operation, results of, 327 

 nature of, 903 

 Short-circuiting, 61 



Sight, see Vision 



Singing, power of, dependent on nervous 



mechanism, 1467 



Sinuses, lymph, of solitary follicles, 490 

 ,, venous, of brain, 1133 

 ,, placental, structure of, 1516 

 ,, ,, quality of blood in, 1522 



Size, judgment of, 1296 

 Skin, structure of, 686 



as regulator of heat, 811 



nerve endings, general and special, 



of the, 1405 



,, different kinds of sensations ex- 

 perienced through the, 1412 

 as 'field of touch,' 1414 

 Sleep, phenomena of, 1550 



,, afferent impulses as affected by, 



1551 



,, respiration during, 1552 



,, the brain during, 1552 



Smell, sensations of, 1388-1391 



,, cerebral structures for, 1085-1087 

 ,, cortical area for, 1087 

 organ of, 1384 

 Snout, pig's, touch-cells of the, 1411 

 Sodium chloride, its action on plasma, 22 

 ,, ,, ,, on mucin, 357 



,, glycholate and taurocholate, 423 

 ,, hydrate, its effect on the heart, 



303 



,, sulphindigotate, excretion of by 



kidney, 667 



,, ,, ,, by liver, 



709 

 Solar plexus, nerve supply to stomach 



from the, 403 

 ,, ,, ,, to the liver from 



the, 435 



Sole of end-plate of nerve-fibre, 119 

 Solidity, judgment of, 1300 

 Solitary follicles, 489 

 Somatic nerves, 171 

 Sound, musical, of contracting muscle, 



140 



waves of, 1318 

 ,, complex, analysis of, 1372 

 ,, psychical nature of appreciation 



of, 1375 



Sounds, musical, characters of, 1361 

 appreciation of outwardness of, 



1380 



judgment of direction of, 1381 

 distance of, 1382 



Spaces, subdural and subarachnoid, 1125 



of Fontana, 1165 

 Spectrum, limitations of visibility of, 



1222 



Speech, cortical area for, 1053, 1464 

 a skilled movement, 1053 

 ,, movements of, bilateral, 1053 

 ,, causes of various imperfections 



of, 1057 

 special mechanisms of, 1471- 



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