Diptères, exotiques, nouveaux, ou, peu, connus, Paris, Roret, 1838-1843, Diptera, insect, The illustration showcases various species of flies, meticulously labeled and displayed in a systematic arrangement. Each numbered figure highlights unique anatomical features, providing detailed views of the flies from different angles. The focus is on distinguishing characteristics such as wing structure, body shape, and specific morphological traits, aiding in the identification of the specimens. This educational reference serves as a resource for entomologists and enthusiasts alike, emphasizing the diversity within the Diptera order. The inclusion of various genera underscores the complexity and richness of fly taxonomy.