Horae physicae Berolinenses, Bonnae, Adolphi Marcus, 1820, 1820, botany, copper engraving, Germany, graphic media, hand colored, zoology, The illustration showcases an anatomical study of a stick insect, specifically depicting various views and perspectives of the creature. It includes detailed representations of its elongated body, appendages, and unique adaptations that enable its camouflage within natural environments. Different figures highlight aspects such as the head, legs, and abdomen, providing a comprehensive look at the insect's morphology. Accompanying the illustrations are labeled figures (1 through 6), indicating distinct features and variations of the species. The work reflects a scientific approach to entomology, emphasizing the intricate design and biology of this remarkable insect.