Pp. viii, 630; numerous maps, black-and-white photos, cladograms and charts. Publisher's original green cloth, lettered in silver on the spine, color pictorial dust jacket, thick sm 4to. This volume presents 19 chapters by noted authorities in the field discussing the zoological, botanical and paleontological record of Africa and South America with respect to the drifting apart of the continents of South America and Africa. There is a private bookplate of former owner on the front endpaper.