T his volume of transactions of the Royal Medical and Chirurgical Society of London, done on excellent paper, and well edited, contains many papers of value to the practitioner of medicine and surgery, with numerous full page plates in colors, and much miscellaneous information. Among the papers are the following: "Calcareous Metamorphosis of the Tracheal Lymphatic Glands," by Sidney Phillips; "Pathology of the Pernicious Malarial Fevers of Sierra Leone," by George Thin; "Obscure Cystic Tumor of the Bladder," by P. J. Freyer; "On Mesenteric Cysts," by Frederic Eve; Discusion on the "Prevention of Enteric Fever;" "Latency and Freedom from Recurrence after Operations for Reputed Carcinoma of the Breast," by A. Marmaduke Sheild; "Removal of the Entire Upper Extremity for Recurrent Carcinoma, after Removal of the Breast," by Clinton T. Dent; "Epidemic Malarial Fever of Assam," by Leonard Rogers; "Case of Cyst of the Urachus," by Alban Doran; "Five Cases of