xxxviii CONTENTS. 



SECTION III 

 ON THE DEVELOPMENT OF AUDITORY IMPULSES. 



628. The transmission of impulses through the labyrinth ; the functions 



of the hair cells of the cochlea 1007 



629. The analysis of complex waves of sound ; theories as to the mode 



of action of the organ of Corti 1013 



630. The appreciation of the nature of sounds ultimately a psychical 



process. . 1015 



631. Auditory functions of the vestibular labyrinth .... 1016 



SECTION IV. 

 ON AUDITORY PERCEPTIONS AND JUDGMENTS. 



632. Auditory phantoms 1020 



633. The appreciation of outwardness in sounds is connected with the 



tympanum 1021 



634. Hearing binaural. The judgment of the direction of sounds . . 1022 



635. Judgment of the distance of sounds . 1023 



CHAPTER V. 

 TASTE AND SMELL. 



SECTION I. 

 OLFACTORY SENSATIONS. 



636. The sensation due to contact of particles with the membrane . 1025 



637. The chief characters of olfactory sensations 1026 



638. Olfactory judgments. The olfactory nerve the nerve of smell . 1027 



SECTION II. 

 GUSTATORY SENSATIONS. 



639. Sensations of taste usually or frequently accompanied by other 



sensations 1029 



640. The different kinds of taste. Sensations of taste provoked by 



mechanical and electrical stimulation 1029 



641. The conditions under which taste sensations are excited . . 1031 



642. The distribution of the several kinds of tastes. Theories as to the 



mode of origin of taste sensations 1032 



643. The nerves of taste ; the chorda tympani 1035 



