Diseases of the Digestive Organs with Special Reference to Their Diagnosis and Treatment.

In contrast with Professor Mendel's book, which contains an extraordinary amount of things new and true in small compass, Dr. Aaron's book succeeds in spreading out a mass of misinformation over 750 large pages, in one of the most unsatisfactory books that has come to the reviewer's attention for a long time. In the first place, its utterly uncritical laboratory methods and methods of diagnosis are shoveled in wholesale, without any choice between the valuable and valueless. On its clinical side it is equally unsatisfactory. The account of gastric ulcer, for example, contains within the first five lines the following statements : "The symptoms of gastric ulcer are at first ill defined, resembling those of gastritis. The discomfort is soon followed by nausea and regurgitation or vomiting. A boring pain is characteristic of gastric and duodenal ulcer; it always comes on within an hour after eating." According to the reviewer's experience,