Introduction: The conception of the world in the middle ages, by Professor Arthur Percivl Newton.--The decay of geographical knowledge and the decline of the exploration. A. D. 300-500, by M. I. W. Laistner.--Christian pilgrimages, A. D. 500-800, by the Rev. Claude Jenkins.--The Viking age, by Professor Alan Mawer.--Arab travellers and merchants, A. D. 1000-1500, by Sir T. W. Arnold.--Trade and communication in Eastern Europe, A. D. 800-1200, by Baron A. F. Meyendorff.--The opening of the land routes to Cathay, by Eileen Power.--(I) "Travellers' tales" of wonder and imagination. (II) European travellers in Africa in the middle ages. By Professor Arthur Percival Newton.--Prester John and the empire of Ethiopia, by Sir F. Denison Ross.--The search for the sea route to India, by Professor Edgar Prestage.