BALL, Dyer, physician, born in West Boylston, Massachusetts, 3 June 1796; died in Canton, China, 27 March 1866. He studied at Phillips Andover academy and at Yale, and was graduated at Union College in 1826: He studied theology at Yale and Andover, was licensed to preach in 1828, and was ordained in 1831, after which he taught school at St. Augustine, Fla., and elsewhere at the south until 1837, having in the meantime received the degree of M. died from the medical institution at Charleston. He sailed for Singapore 25 May 1838, thence to Macao in 1841, to Hong Kong in 1843, and to Canton in 1845. where he passed the remainder of his life in missionary, medical, and educational labor, his medical acquirements adding much to his moral influence with the native inhabitants. He published a Chinese almanac for many years.