The Displacement Method of Sinus Diagnosis and Treatment.

Though the method described in the first edition has not been changed, the second edition of Dr. Proetz's monograph has brought certain details up to date, necessitating a thorough revision as well as a complete resetting of type. The literature, both of the United States and of foreign countries, is reviewed; many comments and controversial matters are discussed, and twelve new illustrations have been added. The volume now contains a bibliography of 226 references, and 32 pages are devoted to a review of the literature. There are 296 pages in all, the entire subject matter being covered in twenty chapters. The author starts with a full discussion of the fundamentals of sinus filling and displacement, the anatomic, physical and physiologic considerations thereof and the pathology and theory of treatment, and then he deals at length with solutions and radiopaques. A complete dissertation on the roentgenologic procedures is presented in several