This book describes two positions, determined by a series of experiments, which show the bony landmarks of all the sinuses. There are sixty-two pages of illustrations, fully described, which exemplify the diagnostic points. The book gives an accurate means of diagnosing the various diseases of the paranasal sinuses.
The various positions for taking films of the mastoid are evaluated, and the technic Granger describes for making petrous views of the mastoid is useful because of its ease for the patient and its diagnostic value. The various points of diagnosis are shown by many illustrations. This is a comprehensive study of the paranasal sinuses and mastoids.