TAB. LXVIIL. 
CORALS OF THE SILURIAN FORMATION. 
OMPHYMA SUBTURBINATA (p. 288). 
Fig. 1. A large specimen found at Wenlock, belonging to the Collection of the 
Geological Society of London ; somewhat smaller than the natural size. 
la. A specimen found by us at Benthall Edge, and placed in the Museum of 
Paris ; natural size. 
14. Vertical section ; natural size. 
le. Calice; natural size. 
CHONOPHYLLUM PERFOLIATUM? (p. 235 and p. 291). 
Fig. 2. Side view of a specimen from Wenlock, belonging to the Collection of the 
Viscount d’Archiac; natural size. 
2a. Its calice; natural size. 
GoniopHyLLum Fiercuert (p. 290). 
Fig. 3. Side view of a specimen found at Dudley, by Mr. Fletcher ; natural size. 
3a. Its calice; natural size. 
