Dresdae apud Georg. Conrad. Walther 1761 1 vol. relié in-4, veau glacé "écaille de tortue", dos à nerfs, pièce de titre de maroquin vert, caissons richement ornés de fleurons et dentelle dorée, triple filet doré en encadrement sur les plats, coupes filetées, roulette dorée en encadrement des bordures intérieures, tranches marbrées, (18) + 169 pp., 12 planches gravées dépliantes. Edition originale. Papier uniformément jauni avec quelques rousseurs éparses, coins émoussés et mors un peu frottés, sinon fine reliure de l'époque.
1761 [18], 169 p., 12 folded engraved pls, title-page with vignette, and another large vignette depicting a portrait (of the author?), contemporary full calf, spine gilt (skilfully rebacked), contemporary marbled end papers. Small, faint library stamp on title-page. A little unobtrusive worming in the inner margin of first few pages. Some scattered foxing spots but mostly clean. The scarce first edition, there was a later German edition in 1776. This work mainly treats Molluscs (Mainly Nudibranchs) and Coelenterates. The first five plates depict Seahares and Nudibranchs and their anatomy, Plates 6-7 depict Holothurians, Plates 8-9 depict Coelenterates (Sea pens and Alcyonaria), Plate 10 depicts Tunicates, Plate 11 depicts shark and ray's eggs, Plate 12 depicts eggs of Squid. Johann Babtist Bohadsch (1724-1768) was a scientist from Prague who visited Italy in 1757-1759 and studied and draw lesser known marine invertebrates. Caprotti p. 46.