TAB. LXIV. 



CORALS OF THE SILURIAN FORMATION. 

 LIaLYSITES CATENULARIA (p. 270). 



Fig. 1. Side view of a vertical series of corallites; natural size. This specimen is from 

 Dudley, and belongs to the Collection of the Geological Society of 

 London. 

 la. Upper surface of another specimen, from the same locality and Collection ; 



natural size. 

 Id. Vertical section in a specimen from Dudley; natural size. (Varietas major.) 

 \c. Upper surface of a specimen found at Benthall Edge by M. Bouchard - 

 Chantereaux ; natural size. {Var. agglomerata.) 



IIalysites escuaroides (p. 272). 



Fig. 2. Upper surface of a specimen found at Benthall Edge by M. Bouchard- 

 Chantereaux ; natural size. 

 •2a. Side view of the same specimen. 



SYR1NG0P0RA B1FURCATA (p. 273). 



Fig. 3. Side view of a specimen found at Dudley, belonging to the Collection of "Sir. 

 Fletcher ; natural size. 

 "ia. Its upper surface ; natural size. 

 'lb. Some corallites, magnified. 



