Genera des coléoptères d'Europe Paris, Chez A. Deyrolle, 1857-1868 beetles, Europe, pictorial works, A detailed illustration featuring various species of beetles arranged in a grid layout. The top row presents a pair of beetles with distinct shapes and colors, including one with a shiny black shell and another displaying a reddish hue. The middle row contains two smaller beetles, showcasing unique markings and features. The bottom row features a larger beetle with a vibrant red coloration and another with a dark appearance. Each beetle is numbered, with corresponding labels for identification, highlighting their scientific classification and typological distinctions. Additionally, some outlined sketches suggest further details on the anatomy or variations of these insects, emphasizing their entomological significance.