An account of the Crustacea of Norway Christiania, A. Cammermeyer, 1895-1928. Crustacea, Norway, Crustaceans, A detailed illustration depicting various anatomical features of isopods, specifically focusing on Porcellio scaber and another unspecified species. The layout includes a number of labeled parts, showcasing the thorax, abdomen, and appendages. Illustrations highlight distinct features such as the carapace, mandibles, and antennae, providing insight into the morphology of these crustaceans. Each part is meticulously detailed to aid in identification and study, making it a valuable resource for entomologists and biologists interested in the anatomy of terrestrial isopods.