Catalogue of marine Polyzoa London Printed by the order of the Trustees 1852-1875 identification catalogs classification bryozoa cheilostomata geographical distribution cyclostomata bryozoa, The illustration displays a detailed anatomical representation of a fish, showcasing its skeletal structure. The image is segmented into various parts, highlighting the individual vertebrae and rib structure of the fish. The top portion features a hierarchical arrangement of vertebrae, offering insight into their alignment and number. Below, a close-up of the fishs head reveals distinct features such as the eye socket and jaw structure, with labeled parts for clarity. This study of fish anatomy reflects significant biological research, aiding in the understanding of aquatic life forms and their evolutionary adaptations.