Osteographie ou Description iconographique comparee du squelette et du système dentaire des Mammifères recents et fossiles, Paris, J.B. Baillière et fils, 1839-1864, Henri Marie Ducrotay, The illustration depicts a series of detailed anatomical drawings showcasing the skulls of various species, arranged in a grid format. Each skull is meticulously labeled, providing scientific names and relevant anatomical features. The drawings highlight distinctive characteristics, such as the shapes of the jaws and the arrangement of teeth, facilitating a comparative analysis of the species represented. This composition serves as a valuable resource for studying osteology and the evolutionary adaptations among different animals.