On reading this book one is further impressed with the immense amount of work that has been done in this field. The book consists of a critical analysis of 701 cases of rheumatic infection that have come under the author's observation during the past sixteen years. While the book contains nothing that is essentially new, the facts obtained from the study are well organized and presented and form a definite addition to the existing material. One realizes that the study of even so large a series as 701 cases does not tell the story of rheumatic infection. It tells only the story of rheumatic infection in one locality, studied by one observer or group of observers. Consequently, the opinions formed from the study of this group will not go altogether unchallenged.
In this series of 701 cases there was a total of 489 cases of heart disease. Other authors have