§ No. 46. Northern Nigeria—(Report on the results of the Mineral Survey, 1904–1905, by Professor Wyndham R. Dunstan, M.A., LL.D., F.R.S., Director of the Imperial Institute).
§ No. 47. Northern Nigeria—(Report on the results of the Mineral Survey, 1905–1906, by Professor Wyndham R. Dunstan, M.A., LL.D., F.R.S., Director of the Imperial Institute).
§ No. 48. Nyasaland Protectorate—(Report on the results of the Mineral Survey, 1906–1907, by Professor Wyndham R. Dunstan, M.A., LL.D., F.R.S., Director of the Imperial Institute)