Eminent Scotch anatomist, born at Anstruther; was trained at St. Andrews and Edinburgh, in which latter city he served an apprenticeship in dentistry; he settled in Anstruther and there wrote his noted essay on "Teeth"; in 1840 he became keeper of the museum of the Royal College of Surgeons in Edinburgh, and lecturer on Diseases of the Bone in 1842; four years later he succeeded Dr. Monro in the chair of Anatomy in Edinburgh University, which he adorned, having for some time previously acted as assistant (1814-1867).