CONTENTS. xi 



ON VOCAL SOUNDS. 

 BY JOHN GRAY M'KENDRICK AND ALBERT A. GRAY. 



Voice Production The Singing Voice Tone Intensity Tone Pitch The Range 

 of the Voice The Muscular Mechanisms which affect the Vocal Cords Voice 

 Registers The Quality of the Voice and Vowel Tones Theories of Vowel 

 Tones Wave-forms of Vowel Tones The Fourierian Analysis of Wave-forms 

 Phonograms General Conclusion The Consonants Effect of the Cavities 

 in connection with the Larynx and Pharynx upon the Voice Whispering 



page 1206 



THE SENSE OF TASTE. 

 BY J. B. HAYCRAFT. 



The Anatomical Mechanisms concerned in the Production of Taste, and the Regions 

 of Mucous Membrane which are involved Taste Sensations The Action of 

 Drugs on Taste Modality and Quality of Taste The Relationship between 

 Taste Sensations and the Chemico-Physical Properties of the Stimulus After- 

 Tastes and Successive and Simultaneous Contrast .... page 1237 



THE SENSE OF SMELL. 

 BY J. B. HAYCRAFT. 



The Anatomical Data The Passage of Air through the Nose Olfactometry 

 Hyperosmia and Anosmia The Classification of Odours The Law of Specific 

 Energy of the Senses The Relationship between Smell and the Chemico- 

 Physical Properties of Odorous Bodies The Physical Condition of the Stimul- 

 ant The Simultaneous Action of Two Odours The Psychology of Smell. 



page 1246 



INDEX OF SUBJECTS page 1261 



INDEX OF AUTHORS page 1336 



