Les mollusques marins du Roussillon Paris, J.-B. Baillière, 1882-1898, France, mollusks, Roussillon province, This illustration features a detailed representation of marine mollusks from the Roussillon region, specifically focusing on bivalve species. Each specimen is numbered and meticulously labeled, depicting various views, including the exterior, interior, and cross-section of the shells. The entry provides insights into the classification and characteristics of these organisms, highlighting their anatomical features and diversity. The accompanying text offers additional information on taxonomy, providing a scholarly overview of these marine creatures valuable for scientific study and identification.