The publication in book form of these five papers on spina bifida and cranium bifidum, originally appearing in the New England Journal of Medicine, deserves an enthusiastic reception by those interested in pediatrics. The papers present a clear picture of the problems involved in diagnosis and treatment and show that in many cases of these defects the prognosis is better than is usually conceded.
The chapter on occult spinal disorders shows the relationship of maldevelopment of the feet or lower extremities and disturbances in gait to an underlying spinal abnormality. Thirty-one of 65 patients whose cases were studied were first seen in the orthopedic clinic.
The chapter on the Arnold-Chiari malformation, showing the association of this condition, in which there is a downward elongation of the cerebellum and brain stem into the cervical position of the bony spinal canal, with meningocele and myelomeningocele, is of unusual interest. The cases reported