Indian Tertiary and post Tertiary Vertebrata, Calcutta, Geological Survey Office, 1874-1902, India, paleontology, vertebrates, fossil, This illustration displays a collection of detailed anatomical drawings focusing on various vertebrate fossil specimens from the Tertiary period. Each numbered figure showcases different skeletal elements, including vertebrae, limb bones, and possibly skull fragments. The arrangement highlights the diversity of bone structures, with some examples emphasizing characteristic features that differentiate species. This educational representation serves as a valuable reference for paleontologists or students studying evolutionary biology and the morphology of ancient vertebrates.