Indian Tertiary and post-Tertiary Vertebrata. Calcutta, Geological Survey Office, 1874-1902, India, paleontology, vertebrates, fossil, The illustration features a detailed study of various skulls, showcasing the anatomical structures from multiple views. It includes frontal, lateral, and dorsal perspectives, emphasizing the intricate features and variations among the specimens. The labeled sections highlight specific characteristics, providing a clear reference for educational or scientific purposes. The arrangement illustrates a comparative analysis, illustrating the diversity in skull morphology, possibly related to different species within a particular classification. The meticulous line work and anatomical accuracy contribute to an informative representation of vertebrate skull anatomy.