Under the auspices of the German Museum and the Fogg Art Museum, the fourth of a series of lectures on "Modern Painting in Germany from 1800 to 1928" will be given tomorrow at 4.30 o'clock in the large lecture hall of the Fogg Art Museum by Doctor Gustav Paull, director of the Kunsthalle, Hamburg, Germany. His subject will be "The Naturalists, Adolf Menzel." The lecture will be open to the public.