John Mason Good, an English physician and author, born at Epping, Essex, May 25, 1764, died in January, 1827. He began his medical education as apprentice to a surgeon at Gosport, afterward studied at Guy's hospital, and in 1784 commenced practice as a surgeon at Sudbury. He removed to London in 1793, and gained in time a large professional connection. In 1810 he delivered a course of lectures at the Surrey institute, which were afterward published under the title of "The Book of Nature." In 1812 he edited the "Letters of Junius," comprising not only the acknowledged productions of that writer, but also more than 100 letters and papers of doubtful authenticity. He was an accomplished linguist, and contributed largely to periodicals. His principal works are : " Maria, an Elegiac Ode" (1786); "Diseases of Prisons and Poorhouses" (1795); "History of Medicine as far as it relates to the Profession of an Apothecary" (1795); "Parish Workhouses" (1798, 1805); "Song of Songs, or Sacred Idyls, translated from the Hebrew, with Notes" (1803); "Triumph of Britain, an Ode" (1803); "Memoirs of Alexander Geddes" (1803); "The Nature of Things," a translation from Lucretius, with notes (2 vols. 4to, 1805-7); "Essay on Medical Technology" (1810); "The Book of Job, literally translated from the Hebrew," with notes and a dissertation (1812); "Physiological System of Nosology" (1817); "Pantalogia, or Encyclopaedia comprising a General Dictionary of Arts, Sciences, and General Literature," in conjunction with Olinthus Gregory and Newton Bosworth, published periodically, and completed in 12 vols, in 1813; "The Study of Medicine" (4 vols., 1822); and "The Book of Nature" (3 vols., 1826). His life was written by Dr. Gregory (London, 1828).