TAB. LXVI. 
CORALS OF THE SILURIAN FORMATION, 
AULACOPHYLLUM MITRATUM (p. 280). 
Fig. 1. A young specimen, found at Dudley, belonging to the Collection of Mr. 
John Gray ; natural size. 
la. An adult specimen from the same locality, belonging to Mr. Fletcher's 
Collection ; natural size. 
14. Calice of the specimen figured in 1, magnified. 
CyaTHOPHYLLUM Lovent (p. 280). 
Fig. 2. Side view of a specimen from Wren Nest, belonging to the Collection of 
M. Bouchard-Chantereaux ; natural size. 
24. Calice, magnified. 
CYATHOPHYLLUM PSEUDOCERATILES (p. 282). 
Fig. 3. A young specimen found at Dudley, belonging to the Collection of Mr. 
Fletcher ; natural size. 
3a. Calice, magnified. 
34. An adult specimen from Wenlock, belonging to the Collection of M. 
Bouchard-Chantereaux. 
CYATHOPHYLLUM AUGUSTUM (p. 281). : 
Fig. 4. A specimen from Attwood’s Shaft, belonging to the Collection of the Geolo- 
gical Society of London ; natural size. 
4a. Vertical section, somewhat magnified. 
Ko clone Phaltluw [warns | bw 
CYATHOPHYLLUM TRUNCATUM ff. 284). 
Fig. 5. A compound corallum found at Dudley, belonging to the Collection of 
Mr. Fletcher; natural size. 
5a. Another specimen from the same locality, belonging to the Collection of 
the Geological Society of London ; natural size. 
54. <A calice, magnified. 
5e. Another calice, magnified, and bearing some young corallites. 
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} 
CYATHOPHYLLUM (TURBINOLOPSIS) ELONGATUM (p. 286). 
Fig. 6. Side view of a cast found at Leach Heath, belonging to the Collection of 
the Geological Society ; natural size. 
6a. Under surface of the same ; natural size. 
