Diptères, exotiques, nouveaux, ou, peu, connus, Paris, Roret, 1838-1843, diptera, insect, The illustration features a detailed scientific study of various fly species, showcasing their anatomical structures and classifications. Each numbered section represents a different type of fly, with accompanying labels identifying unique features such as wings, antennae, and body shapes. The meticulous depictions highlight the diversity and complexity within the fly family, offering a glimpse into the study of entomology. Key anatomical characteristics are emphasized, allowing for comparison and identification among the species. This comprehensive representation serves as a valuable resource for understanding the morphology and taxonomy of flies.