The undergraduate members of the Harvard Phi Beta Kappa Chapter will hold a dinner at the Union tomorrow at 6.30. Those in charge of arrangements have announced that the cost will be $1 per plate and that all those who plan to attend must notify W. A. Duerr Occ., in Hollis 3. Dr. A. S. Dening '02, Assistant Professor in the Department of History and Economics, authority on rail-roads and corporations, and author of "Corporation Promotion and Organization" and "Financial Policy of Corporations," will be the speaker of the evening.