This book takes up a short history of Roentgen's discovery of the x-rays and a brief description of x-ray apparatus, tubes, etc. Then in well organized chapters the author describes normal and pathologic conditions met with in children. There are many excellent roentgen illustrations showing practically all pathologic conditions met with in the field of pediatrics. The specific technic for making roentgen exposures is given.
Of special interest is the chapter on hypothyroidism, with examples of cases studied over a period of years. The work on encephalography is described in detail, and the illustrations are instructive.
The chapter on roentgen therapy describes the treatment used in various foreign clinics. Many of the paragraphs on specific diseases give the technic used in treatment, but omit the results to be expected; others are written in detail and are excellent.
The rôle of the x-rays in children is well covered; the book will