Embryology, Anatomy and Diseases of the Umbilicus, Together with Diseases of the Urachus.

One would scarcely believe that a volume of 680 pages could be written exclusively on the umbilicus; but this work is a demonstration of the possibility. Furthermore, everything contained therein is important and an essential part of a complete treatise on the subject. The embryology and anatomy of the region are first considered; then follows an elaborate presentation of the congenital anomalies and pathologic conditions affecting the part. Not only are the diseases of the umbilicus itself presented, but also all the conditions which may arise from persistent remains of fetal structures, such as the omphalomesenteric duct, the allantois, or urachus, and Meckel's diverticulum. The literature of the world has been searched for illustrative cases, so that no statement is made which is not backed up by actual experience. The illustrations are by Brödel, and this is a guarantee of their excellence. A complete bibliography supplements each chapter. The work