Dictionnaire universel d'histoire naturelle, Paris, 1847-1849, mouse, beaver, natural history, dictionaries, The illustration features various species of mammals. Prominently displayed are small marsupials, likely wallabies or similar animals, depicted in playful poses. Below them, a group of beavers is illustrated, showcasing their characteristic flat tails and webbed feet as they engage in activities associated with dam-building. The background includes elements of a natural habitat, such as vegetation and water bodies, enhancing the depiction of these animals in their environments. Each animal is rendered with attention to detail, highlighting features like fur texture and posture, conveying a sense of their behavior and ecology.