Lehrbuch der Blutkrankheiten.

This is a book of moderate size, for the practitioner or student, occupying a position between the short compend and the exhaustive treatise on blood diseases. As such, it will be found useful among the rather numerous works dealing with this subject. The general part deals with the normal blood, methods of examination, and the general types of blood changes. Methods recently introduced are well described. The larger special section deals with the diseases of the blood and blood-forming organs. The classification of the anemias and leukemias is made along modern lines, and the section on hemorrhagic diatheses is written in clear and easily remembered form. Matters of purely theoretical interest are largely omitted; the book has a definitely practical purpose. Hence diagnosis and methods of treatment are stressed. As usual, the author is chiefly concerned with morphologic changes in the blood. Granted that the physicochemical changes have not been