Ch.I: Review of topographic mapping of Africa, by A. Rumeau. -Ch.II: Review of geology, applied geology (mineral resources) and geophysics in Africa, by H.O. Walker. -Ch.III: Review of climate and meteorology in Africa, by. H.O. Walker. -Ch. IV: Review of hydrology in Africa, by J. Rodier. -Ch.V: Review of the African soils, by F. Fournier. -Ch. VI, pt.1: Flora of Africa North of the Sahara, by M. Drar, pt.2: Flora of Africa South of the Sahara, by J. Koechlin. -Ch. VII: Review of the African fauna, pt. 1: Taxonomy, ecology and zoogeography, by F. Khalil, pt. 2: Entomology, economic aspects, by W.F. Jepson, pt.3: Conservation and management of game-stock, by F. Bourlière