Single sheet. A world map drawn on a polar hemispherical projection with the prime meridian through the Canary Islands. The map is decorated with ships and sea-creatures. Winds are depicted at the corners and the borders of the page are decorated with the portraits of six astronomers ('AZOPHI ARABUS, HERMETUS, HERMANUS CONTRACTUS, ARATUS CILIX, NICEPHORUS, MESSAHALLUS') and scientific instruments. Jost Amman's monogram is in the lower right decorative side panel.