INDEX OF SUBJECTS. 



1279 



PAGE 



Ear, incns of, ..... 1155 

 articulations of, 1155, 1156,1189 

 ,, ,, movements of, . 1155, 1156 

 ,, internal, 1164. See also Cochlea, 



Semicircular canals. 



, , , , afferent fibres to cortex from, 781 



,, ,, in lower animals, 1167, 1168 



,, labyrinth of, 1164. See also Coch- 

 lea, Semicircular 

 canals. 



,, ,, ablation of, . . . 802 



,, ,, bonv, . . . .1164 



,, ,, membranous, . . 1164 



,, ,, relation of size of sound- 



waves to, . . . 1165 

 ,, macula acustica of, 1167,1168,1205 

 ,, malleus of, . 



, , articulations of, 



ligaments of, 

 movements of, 



manometer, 

 middle, 

 ossicles of, 



1155 



1155, 1156, 

 1189 

 . 1155 



1155, 1156 

 . 1162 

 . 1152 



1156, 1157 

 . 1168 



1155, 

 in fishes, 

 ,, influence of labyrinth 



pressure on move- 

 ments of, . .1159 

 ,, movements of, 1157, 1165 

 ,, ,, magnitude 



of, . 1159 



,, ,, relation to 



sound 



waves, . 1159 

 ,, transmission of sound 



by, . 1158, 1159 



otoliths of, . 1166, 1167, 1205 



perilymph of, . . 1164, 1179 



perilymphatic spaces of, 1164, 1166, 1201 

 resonance of, 1178, 1187, 1190, 1192, 

 1194, 1218 



sacculeof, . . . 1164,1166 



semicircular canals of. See Semi- 

 circular canals. 

 stapedius muscle of, . 1157, 1162 



stapes of, 1156 



,, annular ligament of, . 1156 

 ,, movements of, 1156, 1165, 1166 

 ,, ,, compound, 



1166 

 , , , , pendular, 



1165, 1180 



tensor tympani muscle of, 1153, 1155, 



1156 



,, action of, on ossi- 



cles, . 1156, 1157 



, , nervous mechanism 



for, . . . 1157 

 ,, normal stimulus for, 



1157, 1162 



tragus of, . . . 1150, 1152 



transmission of sound to auditory 



nerve in, 1179, 

 1181, 1191 



, 7 ,, labyrinth 



of, 1150, 

 1152, 1158, 

 1159, 1160, 

 1161, 1164, 

 1165 



PAGE 



Ear, tympanic membrane of, . .1152 

 ,, ,, ,, action of sound 



on, 1153, 1154, 

 1155, 1157, 1189 



,, ,, curvature of, 1153, 



1155 



,, elasticity of, 1152 



,, ,, ,, innervationof,1157 



., movements of, 1153 



>j } , ,, production of 



combination 

 tones by, . 1189 



,, structure of 1152, 



1153 



tension of, 1152, 



1153, 1155, 



1156, 1162 



tone of, . 1152 



,, tympanum of, . . . .1152 

 ,, pressure in, . .1153 



,, regulation 



of, . 1161 



,, utricle of, . . 1164, 1166, 1204 



,, vasomotors of, 128, 130, 131, 617, 619, 



620, 624, 656, 658, 669, 



675, 676 



,, vestibule of, 1164, 1201, 1204, 1205 



Eel, heart of, 214 



,, sphincter iridis of, . . . 1044 



,, spinal, . . .817, 818, 830, 834 

 ,, cord of, ... 795, 813 

 Efferent root cells. See Root cells. 



,, root fibres. See Nerve-root fibres. 



Effort, sense of, . . . . . 605 



Elasmobranchs, cerebrum in, . . 700 



,, inhibitory nerves in, . 216 



Elastic equilibrium of muscle. See Muscle. 



,, tissue spindles, . . . 924 



,, tubes, fluid flow in, ... 67 



,, ,, wave-motion in, 96, 98, 99 



Elasticity of arteries, 72, 86, 102, 103, 111 



,, lungs, . 122, 124, 275, 312 



,, ,, veins, .... 118 



Elbow-joint, 239 



Electrical lobes 566, 588 



,, nerve cells, . 565,566,567,588 

 organs, . ... 561 

 ,, ,, after-effects of activ- 



ity of, . 572, 577, 

 583, 586 



,, ., effects of activity of, . 571 



,, ,, nature of activity of, . 590 



,, ,, central nervous con- 



nections of, 565, 566, 

 567, 588 



currents of, 568, 571, 579, 

 583. See also Electrical 

 organs, response of. 



,, ,, electric disc of, 563,564, 



565, 566, 567, 568, 570, 



584, 590, 591 



,, plate of, 563, 564, 



565, 566, 567, 



568, 570, 584, 



590, 591 



,, excitation of, 569, 570, 



571, 572, 573 



,, direct, 572, 577, 590 



indirect, . 572, 577 



reflex, . . 588 



