Dictionnaire classique des sciences naturelles, Brussels, Meline, Cans et Ce, 1853, natural history, dictionaries, This illustration features three marine mammals displayed in a vertical arrangement. At the top is a depiction of a dugong, characterized by its elongated body and flipper-like limbs, typically found in warm coastal waters. The middle section presents a narwhal, noted for its long, spiral tusk protruding from its forehead, alongside a streamlined body adapted for life in Arctic waters. The bottom section showcases a beluga whale, recognizable by its rounded forehead and distinctive white coloration, often seen in the icy waters of the northern hemisphere. Each animal is accurately rendered, emphasizing their unique physical features and habitats in a natural setting.