xxxviii CONTENTS. 



SECTION III 

 On the Development of Auditory Impulses. 



PAGE 



§ 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 



