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 detailed anatomical study of a primate skeleton, showcasing the intricate structure of bones. The figure is positioned in a lateral view, highlighting the elongated limbs, curved spine, and distinct skull shape. Key features include the upper and lower limbs with elongated fingers, a well-defined rib cage, and a long tail, indicating the species' arboreal adaptations. The clarity of the bone structure provides insight into the primate's physical characteristics and evolutionary traits, making it a valuable reference for anatomical and biological studies.