TAB. LXV. 



CORALS OF THE SILURIAN FORMATION. 



SvilINGOPORA FASCICULARIS (p. 274). 



Fig. 1. Young state of the corallum ; natural size; Dudley, Collection of M. de 



Verneuil. 

 la. Upper surface of a young mass, embedded in the extraneous matter; natural 



size ; from the same locality and Collection. 

 Id. Upper surface of a specimen, found also at Dudley, belonging to the 



Collection of Mr. Fletcher ; natural size. 

 \c. Under surface of a specimen from Dudley, belonging to M. de Verneuil ; 



natural size. 



Syringopora serpens (p. 275). 



Fig. 2. Side view of a specimen from Dudley, belonging to the Collection of Mr. 

 Fletcher; natural size. 

 2a. Upper surface of the same, somewhat magnified. 



CdONITES LINEARIS (p. 277). 



Fig. 3. A part of a specimen found at Dudley, in the Collection of Mr. Fletcher : 

 ' magnified. 



CffiNITES JUNIPERINUS (p. 276). 



Fig. 4. A specimen from Dudley, in the Collection of Mr. Fletcher ; natural size. 

 4«. A portion of its surface, magnified. 



CCENITES INTERTEXTUS (p. 276). 



Fig. 5. A specimen from Dudley, in the Collection of Mr. Fletcher ; natural size. 

 &a. A part of its surface, magnified. 



CCENITES LABROSUS (p. 277). 



Fig. 6. A specimen found at Dudley, belonging to the Collection of Mr. Fletcher; 

 natural size. 

 6(7. A part of its surface, magnified. 



TlIECTA SWINDERNANA (p. 278). 



Fig. 7. Upper surface of a specimen from Lincoln Hill, belonging to M. Bouchard- 

 Chan tereaux ; natural size. 

 la. Some calices, amplified. 



Thecia Grayana (p. 279). 



Fig. 8. A part of the upper surface of a specimen from Dudley, belonging to the 

 Collection of Mr. John Gray ; magnified. 



