The new edition of this well known textbook reports chiefly the personal experiences and opinions of the authors. The aspect of the medical specialist in the field of speech and voice pathology is given little consideration. As a result the medical reader will not accept some of the text or some of the illustrations, for instance, figure 21. That "whispering is harmless" in some disorders of the voice has been disproved by Dr. Hogewind. Lethargic encephalitis is not identical with sleeping sickness (p. 165). Some reliable methods to test the hearing of very young children have not been mentioned. Among the dyslalias the important clinical picture of multiple interdentality has been ignored. In the chapter on stuttering group treatment is recommended, although the group treatment of any other form of neurosis has not been accepted by most psychotherapists.
In general the book is a comprehensive study and offers to the