Boys (Lat. Boethius), DAVID, a Welsh divine of the 15th century; studied at Oxford. He was prefect of the Carmelites in Gloucester, where he died in 1450. He had the writings of John Badningham, his fellow Carmelite, fairly transcribed in four volumes, and bestowed them on the library in Cambridge. He wrote many books, especially Of Double Immortality [soul and body]: — The Madness of the Hagarenes, etc. See Fuller, Worthies of England (ed. Nuttall), 3, 501.