F.W. MOTT

LONDON

_July, 1910_




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

THE CEREBRAL MECHANISM OF SPEECH AND SONG