viii AFRICAN POLITICAL SYSTEMS our fellow workers. Without their collaboration the book would have been impossible. They will agree, we are sure, that it is an apposite contribution to social science at the present time. M. F. E. E. E.-P. OXFORD, March, 1940. NOTE TO THIRD IMPRESSION No changes have been made in any of ttie papers included in this book for the third impression. The Table of Contents has, however, been brought up to date so as to enable students who may wish to do so to gtt into touch with the contributors. Since the original publication of this book in 1940 several of the contributors have published more detailed studies of some of the topics they have dealt with here. These studies are listed £t the end of the present edition for convenience of reference. M. F. E. E. E.-P. September y 1947.