Indian, Tertiary and post-Tertiary, Vertebrata, Calcutta, Geological, Survey Office, 1874-1902, India, paleontology, vertebrates, fossil, This illustration features a detailed scientific study of various fossilized vertebrate remains from the Tertiary period, showcasing multiple views of skull fragments and other skeletal elements. The artifacts include closely arranged specimens, each meticulously labeled with numbers indicating specific anatomical features or observations. The overall composition emphasizes the complexity and variety of these prehistoric bones, highlighting their importance in understanding evolution and ancient ecosystems. The precise detailing and structured layout reflect the meticulous nature of paleontological research and documentation.