xiv CONTENTS. 



SECTION V. 



ON AUDITORY PERCEPTIONS AND JUDGMENTS. 



PAGE 



853. Auditory phantoms 1379 



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



tympanum 1380 



855. Hearing binaural. The judgment of the direction of sounds . . 1381 

 856. Judgment of the distance of sounds 1382 



CHAPTER V. 



TASTE AND SMELL. 



SECTION I. 

 THE STRUCTURE OF THE OLFACTORY Mucous MEMBRANE. 



857. The structure of olfactory mucous membrane, cylinder cells and rod 



cells 1384 



858. The termination of the olfactory fibres 1386 



SECTION II. 



OLFACTORY SENSATIONS. 



859. The sensation due to contact of particles with the membrane . . 1388 



860. The chief characters of olfactory sensations 1389 



861. Olfactory judgments. The olfactory nerve the nerve of smell . . 1390 



SECTION III. 



THE STRUCTURE OF THE ORGANS OF TASTE. 

 862. The structure of the lining membrane of the mouth . . . 1392 



863. Papillae foliatfe ; taste buds, rod cells, and subsidiary cells. The 



distribution of taste buds 1393 



SECTION IV. 

 GUSTATORY SENSATIONS. 



864. Sensations of taste usually or frequently accompanied by other 



sensations 1397 



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



mechanical and electrical stimulation 1397 



866. The conditions under which taste sensations are excited . . . 1399 

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



mode of origin of taste sensations 1400 



868. The nerves of taste ; the chorda tympani 1403 



