first edition , 2 folding engraved maps, woodcut diagrams, both maps laid down with splits at folds, both browned and with offsetting and spotting, title significantly trimmed at corners and outer margin and repaired, final f. loss of lower half and repaired, no loss of text in either instance, some spotting and water-staining, modern half crushed morocco, small 4to, The Hague, Adrian Vlacq, 1666. An important work on the Nile and its flooding, with a more general study of oceanography. The maps show Abyssinia and the course of the Nile.