1. Products of Generation Plate 1.XXIII (between pages 232 and 233) Collection: Images from the Rare Book and Manuscript Collections Date: 1833 Format: Image Creator: Royal College of Surgeons of England, ...
2. Tafel 31 -- Calocyclas. Cyrtoidea. Collection: Images from the Rare Book and Manuscript Collections Date: 1904 Format: Image Creator: Haeckel, Ernst, 1834-1919
3. Tafel 49 -- Heliactis. Actiniae. Collection: Images from the Rare Book and Manuscript Collections Date: 1904 Format: Image Creator: Haeckel, Ernst, 1834-1919
