The final concert in Mr. Arthur Whiting's series of Expositions of Chamber Music will be given in the John Knowles Paine Concert Hall in the Music Building this evening at 8.15 o'clock. It will be open only to officers and students of the University, and no charge for admission will be made. The following program will be presented by Mr. Whiting at the pianoforte, assisted by Scipione Guidi, violinist, and Michel Penha, 'cellist: Trio in A minor, Modere. Pantoum (assez vif). Passacaille (tres large). Final.  Ravel Trio in B flat, Opus 99, Allegro Moderato. Andante. Scherzo (Allegro). Rondo (allegro vivace).  Schubert