Die Krankheiten des Herzens und der Gefässe.

In his discussions of various topics Edens follows rather closely the traditional lines of etiology, pathology, diagnosis and treatment. All of the ordinary and many of the rarer diseases will be found included. The comparatively later knowledge revealed largely by the aid of the roentgen ray and the electrocardiograph is fairly presented. There are many helpful illustrations of roentgenograms and electrocardiograms. We are glad to see that valvular diseases are still regarded as worthy of full discussion. In some recent works they have been deemed of such minor importance as compared to myocardial diseases and irregularities as to be accorded scanty consideration.

Two features are worthy of special comment. The treatment for weakness of the circulatory organs occupies 100 pages, more than 13 per cent of the text, 30 pages being devoted to digitalis alone. This is a larger proportion than is commonly assigned to this one topic. Some condensation