During the meeting of the Ninth International Medical Congress, held in Washington, in September, 1887, Dr. John Bartlett, of Chicago, presented a paper to the Obstetrical Section, entitled "A Study of Deventer's Method of Delivering the After-coming Head." The mechanism of this method was ingeniously demonstrated at the time by means of a manikin, and the impression conveyed to the members present was favorable as regards the feasibility of delivering the after-coming head by this means. In the discussion which followed, Dr. Charles T. Parkes, of Chicago, reported three cases delivered successfully by Deventer's method after-failure of the usual modes of extraction, and Dr. G. W. Jones, of Danville, Ill., mentioned his success in a similar number of cases. In the absence of any single method of delivering the after coming head, that is any method that is so successful as to receive the unqualified endorsement of the profession, it