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Corals: Broad sea fan (Gorgonia verrucosa, or Eunicella verrucosa), Tree coral(Dendrophyllia ramea) with opened chalice (cross section, left), Cauliflower coral (Madrepora verrucosa, or Pocillopora verrucosa) with opened chalice (cross section, bottom), Red coral (or Precious coral, Corallium rubrum) with opened chalice (top left) and a chalice with hatching larvae (top right), Organ pipe coral (Tubipora musica), Sea feather (or Sea pen, Pennatula spinosa) with magnified chalice, Maze coral (Meandrina, or Meandrina meandrites) with a clump without soft tissues (left), three mouth chalices (center), and clump with soft tissues (right), Hump coral (or Branched Finger Coral, Porites furcatus, or Porites furcata), broken chalice with a detail from the magnified surface (right). Woodcut engraving, published in 1877.