As pointed out in the notice of the first volume a detailed review of the individual articles in "Modern Medicine" really is beyond the capacity of any single individual. In glancing over the list of contributors to Volume II one is again impressed with the general standing of the individual writers and with the fact that in nearly every case the author has done creditable, in two or three instances even especial, investigative work in the particular field covered by his article. The introduction, which is contributed by Hektoen, deals with infections. Typhoid, typhus and relapsing fever are next considered by McCrea, followed by articles on smallpox and chickenpox by Councilman. Dock, Lord and Coleman write on vaccination, influenza and dengue, respectively. Scarlet fever and diphtheria are covered by McCallom, while measles, rubella, fourth disease, erythema infectiosum, whooping-cough and mumps are considered by Ruhräh. Koplik writes on meningitis, Musser and