Recent Literature Diseases of the Eye . By Edward Nettleship, F.R.C.S., Ophthalmic Surgeon at St. Thomas's Hospital, London; Surgeon to the Royal London Ophthalmic Hospital, etc. New (sixth) American from the sixth English edition, thoroughly revised by William Campbell Posey, M.D. With a Supplement on the Detection of Color Blindness by William Thomson, M.D., Professor of Ophthalmology in the Jefferson Medical College, Philadelphia. Just ready. pp. 562, with 192 illustrations, and 5 colored plates. Philadelphia and New York: Lea Brothers & Co. 1900.