An account of the Crustacea of Norway Christiania, A. Cammermeyer, 1895-1928, crustacea, Norway, crustaceans, A collection of detailed scientific illustrations depicting various stages and anatomical features of isopods, specifically from the Dajidae family. The illustrations include labeled diagrams showcasing the dorsal and ventral views, highlighting distinct body segments, legs, and antennae. Various forms and morphologies are presented, reflecting the diversity within the Dajus mysidies species as described by Kröyer. The meticulous attention to detail serves to enhance the understanding of isopod anatomy and classification.