HeLionires inrerstincra (p. 249). 
Fig. 5. A specimen found at Much Wenlock, belonging to the Collection of Mr. 
J. S. Bowerbank. 
5a. Portion of the surface; natural size. 
5. Portion of the same surface, magnified. 
5c. A cast found at Applethwaite, belonging to the Collection of the Geological 
Society of London. 
5d. A part of the same surface, magnified. 
He ionires Murcatsoni (p. 250). 
Fig. 6. Under surface of a specimen found at Wenlock Edge, belonging to the 
Museum of Paris; natural size. 
6a. A part of the upper surface ; natural size. 
66. A part of the surface of a smaller specimen from Dudley, belonging to M. de 
Verneuil ; natural size. 
6c. Vertical section of the specimen figured in 6 ; somewhat magnified. 
HELIOLITES INORDINATA (p. 253). 
Fig. 7. A specimen from Robeston Walthen; in the Collection of the Geological 
Society of London; natural size. 
7a. Part of the same, magnitied. 
