Malacologie de l'Algérie, ou, Histoire naturelle des animaux mollusques terrestres et fluviatiles recueillis jusqu'à ce jour dans nos possessions du nord de l'Afrique, Paris, Challamel aîné, 1864, Algeria, mollusks, mollusks, fossil, This illustration features a series of various shell specimens arranged in a grid pattern. Each shell is numbered, showcasing a rich diversity in shape and texture. The collection highlights different types of shells, some exhibiting distinct spiral patterns, while others have smooth surfaces or intricate designs. The presentation emphasizes the beauty and uniqueness of marine life, inviting viewers to appreciate the natural artistry found within these oceanic treasures.