In the nineteen years that have elapsed since the second edition of this excellent book was published, a vast amount of work has been accomplished in connection with these diseases. It is remarkable how much of the worth while part of the work has been incorporated into this book in such a readable manner. All of the infectious diseases important to the temperate zone are described fully and with great clearness. The plates and diagrams are clear and well chosen. Six chapters of appendix have been added containing such important discussions as the treatment of anaphylaxis, of cerebrospinal fluid in health and disease, and of lumbar, cisternal and ventricular puncture. This book fills a long felt need. It is remarkable how the latest and best of recent advances in treatment and prophylaxis have been incorporated in the book. It deserves a place in the library of every practitioner.