🦴 [Die vergleichende Osteologie /. Bonn: In Commission bei Eduard Weber, 1821-1838.. Original source Image description: Illustration of various bird skeleton parts from an 1821-1838 anatomical study, showing detailed black-and-white drawings of skulls, vertebrae, wing bones, feet, and ribs. The image highlights different views and sections, including side and top perspectives of elongated bird skulls with prominent beaks, intricate vertebral columns, and clawed feet, emphasizing structural anatomy and bone articulation. Each component is carefully labeled with letters, reflecting scientific comparison and classification in early osteology. The background is plain, focusing attention on the precise bone structures and their relative positions in avian skeletons.












