Since so many of the general textbooks of medicine devote so little space to silicosis, this atlas should occupy a prominent place in the newer concept and the diagnosis of this industrial disease. The author has had many years of experience among the industrial workers of South Wales, including the medical supervision of a large colliery. He has kept accurate and careful records of thousands of cases and has verified the diagnoses by postmortem examinations and by the statutory certificates of the Silicosis and Asbestosis Medical Board.
The first portion of the book consists of 5 chapters devoted to the etiology, pathology, roentgenology, clinical manifestations and prognosis of silicosis. A brief discussion of the roentgen anatomy of the normal chest is included in this section. The division of silicosis into three clinical stages, as described by Sutherland and Bryson, is employed. Stages 1 and 2 each are subdivided further into