David Macbetii Moir, a Scottish author, born at Musselburgh, Jan. 5, 1798, died in Dumfries, July 6, 1851. He was educated at the grammar school of his native town, and obtained a diploma as surgeon in 1816. He contributed both prose and verse to Constable's "Edinburgh Magazine" and to "Blackwood." He was commonly known as Delta, from the signature A to his serious poems. In 1824 he published "The Legend of Genevieve, with other Tales and Poems," and in the same year began in "Blackwood" a serial novel, "The Autobiography of Mansie Wauch." In 1831 he published "The Ancient History of Medicine," and in 1843 "Domestic Verses," which contains some of his best known poems. In 1846 he met with an accident which made him lame for life. In 1851 he delivered in Edinburgh six lectures on the " Poetical Literature of the Past Half Century," which were afterward published. A selection of his poems, with a memoir by Thomas Aird, was published in 1852, and a new and complete edition of his works in 1857. He was the leading physician of Musselburgh till his death, which occurred during a tour of relaxation.