Madison Square Theatre, Mr. A.M. Palmer, sole manager. Curtain rises at 8:30. Saturday matinees at 2 p.m. Monday, April 21, 1890. Last week of Mr. Palmer's sixth regular season at this theatre, and the first production in America of a farce-comedy in three acts by Ralph R. Lumley, Esq., entitled "Aunt Jack", preceded at 8:30 by a new and original comedietta in one act by Augustus Thomas, Esq., entitled "A Man of the World," music under the direction of Mr. Frank A. Howson.