Catalogue of British Hymenoptera in the collection of the British Museum, London, 1855, London, A detailed illustration of various species within the order Hymenoptera, showcasing the intricate anatomy and features of different wasps and bees. Each specimen is numbered and presented from multiple angles to highlight distinguishing characteristics, such as wing structure, body segmentation, and leg morphology. The diagram serves as a scientific reference, emphasizing the diversity and complexity of these important pollinators and predators within their ecosystem.