I 3 22 



INDEX OF SUBJECTS. 



PAGE 



Sensation, visual, of light in peripheral 



retina, . 1083 



,, ,, ,, from stimula- 



tion of optic 

 nerve, . 1097 

 ,, ,, liminal differences 



for, 614, 1054, 1055, 



1056, 1080, 



1100 



<, ,, ,, stimulus for, 1053, 



1067, 1146 



,, ,, ,, ,, absolute, 614, 



1053, 1056, 1057, 



1067, 1079, 1087, 



1102 



s, ,, ,, ,, chromatic, 1053, 



1056, 1067, 1079, 



1087, 1102, 1103, 



1116 



,, ,, local sign in, 1132, 1137, 



1138, 1139, 1148 

 macular, . 1086, 1087 



memory image of, . 1074 

 metabolic processes in, 1114 

 of movement, . . 1146 

 persistence of, 1067, 1068, 

 1069, 1074, 1076 

 photochromatic interval 

 of, 1054, 1067, 1068, 

 1079, 1086, 1087, 1102, 

 1104 

 physiological point of, 



1055, 1086 



polar excitation of, . 517 

 primary, . . .1113 

 psycho -physical sub- 

 stances of, . .1120 

 Purkinje's phenomenon 

 in, 1078. 1080, 1087, 

 1102, 1104, 1111 

 reaction time for, . 611 

 recurrent images of, 1072, 

 1088, 1103, 1104 

 , , , , from coloured 

 light, 1073 

 ,, ,, conditions 

 affecting, 



1073 

 ,, ,, relation to 



visual field, 



1073 



,, ,, ,, purple, 

 1102 



of red, 1107, 1108, 1109, 

 1112, 1113, 1114, 

 1115, 1117, 1121 

 relation to ultra-violet 



spectrum, . 1054, 1055 

 retinal image in, 1045, 

 1139, 1140 



,, rivalry in, 1122, 

 1124, 1138 



saturation of, 1053, 1054, 

 1059, 1079, 

 1083, 1084, 

 1094, 1115 

 ,, effects of, 



on contrast, 

 1061 

 ,, liminal, 1077 



Sensation, visual, space perception in. 



See Perception, 

 , , , , summation of stimuli 



in, . . 1055, 1067 

 Talbot- Plateau law of, 



1068, 1069, 1076 



,, ,, time relations of, . 1068 



of violet, 1107, 1110, 1121 



,, ,, visual angle of, 1055, 1056, 



1100 



,, Weber's law of, . 1080 



of white, 1107, 1109, 1114, 



1121 



,, yellow, 1110,1013, 1114, 

 1115, 1117, 1121 

 ,, of warmth, 921, 945. See also 



Sensation, thermal, Skin. 

 ,, ,, in alimentary tract, 950 



,, ,, conduction path for, 965, 



980 



,, ,, in different regions, 948, 



949, 950, 955, 960, 961, 



962 



,, ,, estimation of, 948,949, 



960, 961 

 ,, ,, influence of lesions 



of cord on, . . 946 



,, ,, liminal distances for, 935 



,, ,, maximal, . 949, 960 



,, ,, reaction time for, . 962 



Sense, genital, ..... 947 



,, spots, 920. See also Skin. 

 Senses, specific energies of, . . . 1253 

 Septo-marginal tract, .... 806 

 Septum lucidum, . . . . 717, 764 

 Serous membranes, nerves of, . . 686 

 Sexual reflexes, . . . .851, 890 



Shaking reflex, 830 



Shark, cerebellum of, .... 900 

 ,, cerebrum of, . . 700, 817 



Shivering, 708 



Shock. See Spinal shock. 

 Shoulder-joint, .... 237, 238 

 Sight. See Sensation, visual. 

 Sigmoid flexure, .... 335, 336 

 ,, gyms, . . . 713, 714, 717, 



764, 765 

 Sinus ganglia. See Ganylia of Remak. 



,, extension, ..... 173 

 of heart, . . 172,183,185,190 

 Sinuses of Yalsalva, . . . 12, 14 

 ,, venous, of cranium . . 143, 145 

 Size, sense of. See Perception. 

 Skeletal muscles, sympathetic nerves to, 639 

 Skin, 920. See also Sensation, cutaneous. 

 ,, adaptation of, . . 925,957,960 

 ,, circulation in, . . . 158 



,, cold spots of, 921, 935, 945, 946, 955, 

 964, 984, 989, 995 

 ,, distribution of cold and warmth 



spots in, . . . . . 946 

 ,, elastic tissue spindles of, . . 924 

 ,, end-organs for cold sensation, 946, 947, 



953, 957 



,, ,, ,, warmth sensation, 946, 



947, 948, 953, 957 



,, Golgi corpuscles of, . . 924 



,, localising power of, . 934,938,964 

 ,, ,, ,, central factors in, 



941 



