Les mollusques marins du Roussillon Paris, J.-B. Baillière, 1882-1898, France, mollusks, Roussillon province, This illustration features a collection of marine mollusks from the region of Roussillon. Displayed are various species, identified by their unique shell shapes and sizes, numbered from 1 to 18. Each specimen has been meticulously rendered to showcase the distinguishing characteristics of its shell. The list of names includes *Pandora inaequivalvis*, *Vera margaritacea*, *Lyonia norvegica*, and others, alongside their respective localities such as Roussillon, Narbonne, and Saint-Laurent. This detailed study serves as a reference for the diversity of bivalve life in the Mediterranean region.