Catalogue of marine Polyzoa. London, Printed by the order of the Trustees, 1852-1875. Identification, catalogs, classification, Bryozoa, Cheilostomata, geographical distribution, Cyclostomata Bryozoa., This illustration features a series of detailed scientific drawings depicting various species of marine life. The top section showcases C. plagiosoma, emphasizing its intricate shapes and openings within its structure. Below it, the drawings include more examples, labeled as Fig. 3 and Fig. 4, portraying distinct anatomical features. The lower part introduces C. cribraria, with emphasis on its unique texture and form. Each figure is carefully rendered to highlight the delicate characteristics and variations among the species, serving as a valuable resource for biological study and identification.