AGNEW, David Hayes, surgeon, born in Lancaster county, Pennsylvania, 24 November, 1818. His education was received at Jefferson college, Pennsylvania, and at Newark college, Delaware He was graduated in medicine at the University of Pennsylvania in 1838, and began to practise in Chester county, but removed to Philadelphia and became a lecturer in the School of anatomy, also establishing the Philadelphia school of operative surgery. In 1854 he was elected one of the surgeons of the Philadelphia hospital, where he founded a pathological museum, and was also surgeon to the Pennsylvania hospital. In 1863 he was appointed demonstrator of anatomy and assistant lecturer on clinical surgery in the medical department of the University of Pennsylvania, in 1870 he was chosen to the chair of clinical surgery, and in 1871 he became professor of the principles and practice of surgery there, and of clinical surgery, in the University hospital. For several years he was one of the surgeons at Wills ophthalmic hospital, and also one of the surgeons to the orthopedic surgery. He has attained wide reputation as a surgeon, and is a rapid and skilful operator in every department In his capacity of efficient surgeon, as well as of consulting physician, he has had many cases of great public and scientific importance, the best known being that of President Garfield. He has made many valuable contributions to the literature of his profession, among which are works on " Practical Anatomy" (Philadelphia, 1867) and "Lacerations of the Female Perinaeum and Vesico-vaginal Fistula" (1867) ; a series of sixty papers on "Anatomy and its Relation to Medicine and Surgery"; and an exhaustive work on the" Principles and Practice of Surgery" (3 vols., 1878), which has been translated into the Japanese language, and is the great work of his life.