Proceedings of the Zoological Society of London, London, Zoological Society of London, The illustration showcases various species of frogs, highlighting their distinctive features and anatomical details. The top left depicts a frog in a dynamic pose, showcasing its elongated limbs and webbed feet, indicating its adaptability for jumping and swimming. The bottom left presents a more robust frog, with a broad body and prominent eyes, illustrating the diversity in size and shape among amphibians. The right section features another species, characterized by its unique markings and textures on the skin, emphasizing the species' adaptations to their environments. The attention to detail reflects the scientific study and classification of these fascinating creatures.