INDEX OF SUBJECTS. 



1279 



PAGE 



Ear, incus 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 



,, ,, bony, . . . .1164 



,, ,, membranous, . .1164 



,, ,, relation of size of sound- 



waves to, . . .1165 

 ,, macula acustica of, 1167, 1168, 1205 

 ,, malleus of, . . . . . 1155 



,, ,, articulations of, 1155, 1156, 



1189 

 ,, ,, ligaments of, . . 1155 



,, ,, movements of, 1155, 1156 



,. manometer, .... 1162 



,,' middle, 1152 



ossicles of, . . 1155, 1156, 1157 



,, ,, in fishes, . . . 1168 



,, ,, 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 

 ,, saccule of, . . . 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, 



116. f 



1180 



tensor tympani muscle of, 1153, 



1156 

 ,, action of, on ossi- 



cles, . 1156, 1157 



, , nervous mechanism 



for, . . . 1157 

 normal stimulus for, 



1157, 1162 

 1150, 1152 

 transmission of sound to auditory 



nerve in, 1179, 



1181, 1191 



,, ,, labyrinth 



of, 1150, 



1152, 1158, 



1159, 1160, 



1161, 1164, 



1165 



tragus of, 



PAGE 



Ear, tympanic membrane of, . . 1152 



,, ,, ,, action of sound 



on, 1153, 1154, 



1155,1157, 1189 



,, ,, ,, curvature of, 1153, 



1155 

 ,, ,, ,, elasticity of, 1152 



,, ,, ,, innervation of, 1157 



,, ,, ,, movements of, 1153 



,, ,. ,, 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 Hoot 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 



