Abhandlung von den Land und Flußschnecken, oder von solchen Conchylien, welche nicht im Meere sondern auf der Erde und in süssen Wassern zu leben pflegen Nürnberg, Raspe, 1786 Musée cantonal de zoologie, Lausanne, This illustration features a collection of various snail shells, showcasing their diverse shapes, sizes, and patterns. Each shell is meticulously labeled with a figure number for reference. The shells range from smooth, glossy surfaces to those with intricate textures and detailed markings, reflecting a wide array of natural designs. The arrangement highlights the beauty of these mollusks, with both rounded and elongated forms displayed in a systematic manner. The detailed depiction invites viewers to appreciate the uniqueness and variety found within the Helix genus.