Syphilis and the Nervous System.—Being a Revised Reprint of the Lettsomian Lectures for 1890 Delivered Before the Medical Society of London. By W. R. Gowers, M.D., F.R.C.P., F.R.S., Consulting Physician to University College Hospital, Physician to the National Hospital for the Paralyzed and Epileptic, Etc. Philadelphia: P. Blakiston, Son & Co., 1892. [12mo., Pp. Viii-131.]