Plate XXXIX.
PLATE XXXIX.
Various Fossil Corals and Sponges, or Amorphozoa.
Fig. 1. A coral from the Dudley limestone. (Favosites?)
Fig. 2, is a vertical section of figs. 4 and 5, to show the internal arrangement of the cells.
Fig. 3. The under surface of a very common species (Favosites Gothlandica, of Goldfuss); from the Wenlock limestone of Dudley. A magnified view of part of the surface, to show the honeycomb structure, is given in fig. 7.
Fig. 4, the under, and fig. 5, the upper surface, of a small coral (Cyclolites ?) from the Oolite.