Rev. Professor Henry Van Dyke, D.D., of Princeton, will conduct the services in Appleton Chapel tomorrow evening at 7.30 o'clock. Seats on the floor will be reserved for members of the University and friends accompanying them until 7.25 o'clock. Dr. Van Dyke will conduct morning prayers on Monday and Tuesday of next week. Bishop John H. Vincent, of Indianapolis, will officiate from February 23 to March 11.