This work contains many facts interesting to voice users. It is divided into nineteen methodically arranged chapters. The first chapters are devoted to educative methods in voice culture and their results, and to general physiologic considerations. It is stated that the "neuro-muscular system is of great moment to the voice user;" theoretically, it may be useful to recognize certain neuro-muscular mechanisms, but practically its application is questionable.
The anatomy of the air passages and the physiology of respiration are considered, and the action of the respiratory muscles and diaphragm is clearly detailed and illustrated. A few excellent practical rules are given regarding the use of the breath; for example: "All breath that does not become sound is wasted," and again, "all breath must produce effective vibration of the vocal cords, in right production of tone."
The author inveighs against the wearing of corsets and any compression of waist, chest and