This atlas is an important addition to the literature of roentgenology. The illustrations are excellent and the subject matter is presented in a clear and concise manner. The detail in the urographie pictures is brought out distinctly, since extraneous matter, such as gas, has been removed. The arrangement is good and includes many of the important urologie subjects. After a short historical review of the development of the x-rays, instruments and urography, the methods and preparation are considered. This is followed by a condensed account of instrumental pyelography, excretion urography and the urologie roentgen examination of children. Then in succession are presented abridged descriptions and urograms of malformations and anomalies, urinary lithiasis, inflammations, tuberculosis, tumors, injuries, fistulas and disturbances of function. Pyeloscopy is given but little space and importance. Pneumoradiography is cautiously described, with proper warnings. This volume is an excellent work and should be of value to both the