CONTENTS
[THEORIES ON THE ORIGIN OF SPEECH]
THE VOCAL INSTRUMENT:
[THREE QUALITIES OF MUSICAL SOUNDS, LOUDNESS, PITCH AND TIMBRE]
THE VOCAL INSTRUMENT AND ITS THREE PARTS
[(1) THE BELLOWS AND ITS STRUCTURE: VOLUNTARY CONTROL OF BREATH]
[(2) THE REED CONTAINED IN THE VOICE-BOX OR LARYNX: ITS STRUCTURE AND ACTION]
[(3) THE RESONATOR AND ARTICULATOR, ITS STRUCTURE AND ACTION IN SONG AND SPEECH]
[PATHOLOGICAL DEGENERATIVE CHANGES PRODUCING SPEECH DEFECTS AND WHAT THEY TEACH]