War affords opportunity for the medical observation of large numbers of selected persons under unusual, but fairly uniform, conditions of life. Much of the information gained during the present war has concerned the epidemiology of infectious disease, and the complications and treatment of wounds. Recently John Rose Bradford1 has indicated that other departments of medicine may profit by the medical lessons of the war.
Beginning in March, 1915, and continuing thereafter, there were admitted to hospital a large number of soldiers suffering from nephritis characterized by moderate dropsy, frequent dyspnea and bronchitis, and sudden onset, often complicated by uremic manifestations and epileptiform seizures. The urine was scant, and contained large amounts of albumin and casts. The course was unusually short, and terminated in rapid recovery with prompt subsidence of the edema within a few days. In these patients there were no evidences of previous cardiovascular or renal disease, and the