Volume and page number (Tomus I.72) appear in top right-hand corner. From: Mundus subterraneus ... Amstelodami : Apud Joannem Janssonium & Elizeum Weyerstraten, 1665. Map of Southern Africa, showing the source of the Nile under the Mountains of the Moon, labeled "Hydrophilacium sub Montibus Lunæ"; relief shown pictorially.