Indian Tertiary and post-Tertiary Vertebrata, Calcutta, Geological Survey Office, 1874-1902, India, paleontology, vertebrates, fossil, This illustration features a series of detailed anatomical drawings showcasing fossilized remains of vertebrates from the Tertiary period. The top section presents a large fossil fragment with distinct tooth structures, while the lower sections display various views of the jawbone and additional molar teeth. Detailed labels indicate specific features and measurements, providing insight into the morphology of these ancient creatures. The entire composition serves as an educational reference, highlighting the intricate details of vertebrate evolution and the significance of these fossils in understanding prehistoric life.