Da Ponte. I. Lorenzo, an Italian poet, born at Oeneda, near Venice, March 10,1749, died in New York, Aug. 17, 1838. After being for two years professor of rhetoric in the seminary of Porto Guaro, he removed to Venice, whence he was exiled for writing a satirical sonnet against Count Pisani, his competitor for an elective office. His next abode was in Vienna, where he became Latin secretary to the emperor Joseph II. He now commenced writing for the Italian theatres of Vienna and Prague, and produced the librettos of a number of operas for Salieri, Martini, and Mozart, among which were Don Giovanni and Le nozze di Figaro. After the death of Joseph he went to London, and became poet and secretary of the Italian opera. In 1805 he removed to New York, and there taught Italian privately till 1828, when he was appointed professor of Italian in Columbia college. Besides various dramas, he is the author of memoirs of his own life, of a number of sonnets, and of translations into Italian of Byron's "Prophecy of Dante" and Dodsley's "Economy of Human Life," published in New York. II. Lorenzo L., son of the preceding, professor of belles-lettres in the university of New York, born in London in 1805, died in New York in 1841. He is the author of a "History of the Florentine Republic" (2 vols. 8vo, New York, 1833).