SCHLEICHER, August (1821-1868), born at Meiningen on February 19, 1821, studied at the universities of Leipsic and Tübingen, became extraordinary professor of philology in Prague in 1850, removed to Jena as ordinary professor in 1857, and died there December 6, 1868. His work is characterized in the article Philology, vol. xviii. p. 782.