[Natural History/Topography/Geology] F.-S. Beudant. VOYAGE MINERALOGIQUE ET GEOLOGIQUE, EN HONGRIE, PENDANT L’ANNEE 1818. 4 Vols. Paris: Verdiere, 1822. Vol I: [4], viij, 42, [2], 560 pp. Vol II: [4], 614pp, pages 600-608 of Vol II mispaginated "560" - "568." Vol III: [4], 659 pp. Vol IV (Atlas): [4], 4, 16pp, 14 folding maps/plates (larger than leaf size) and 1 tiny profile. 4to. Orig plain brown cloth. Vol I’s joints split, Atlas has shorter splits to joints. Last folding plate has considerable staining and soiling to its verso and margins, slightly visible on its image side. Other folding plates’ margins creased and have minor, especially near end of Atlas. Set has slight foxing. A few areas dampstained (i.e., upper portion of Vol I’s last few dozen leaves, Vol II’s half and full title, Vol III’s last few dozen lower page margins). Vol II’s has notation on title, 3 vols have date handwritten on ffep. Bookplate on front pastedowns.