Histoire naturelle, générale et particulière, des reptiles, A Paris, De l'Imprimerie de F. Dufart, an X-XI 1802-1803, evolution, anatomy, reptiles, pictorial works, The illustration presents an anatomical study of a brown toad tadpole, showcasing various stages of its development. The top figure displays a detailed view of the tadpole, emphasizing its elongated body and prominent tail. The lower figure reveals additional anatomical features, including the internal structures, demonstrating the transformation process as it develops. Labels identify specific parts of the tadpole, highlighting the intricacies of its anatomy and growth stages, serving as an educational reference for understanding amphibian development. The title, 'Anatomie du Tétard du Crapaud Brun,' indicates the focus on this particular species.