TAB. LX. 

 COEALS FROM THE SILURIAN FORMATION. 



Favosites gothlandica (p. 256). 



Fig. 1. Side view of a broken specimen from Dinas court, belonging to the Collection 

 of the Geological Society of London ; natural size. 

 la. A cast from Cullimore's quarry, belonging to the same Collection ; natural size. 



Favosites Forbesi (p. 258). 



Fig. 2. Upper surface of a young specimen found at Dudley, belonging to the 



Collection of Mr. T. W. Fletcher ; natural size. 

 2a. and 2b. -Under surface and side view of other young specimens from the same 



locality and the same Collection ; natural size. 

 2c. Upper surface of a specimen found at Dudley, belonging to the Museum of 



Paris ; natural size. 

 2d. , Portion of the surface of another specimen from Wren's Nest, in the 



Collection of the Geological Society ; natural size. 

 2e. Portion of the surface of another specimen from Dudley, belonging to the 



Museum of Paris ; natural size. 

 2f. Some corallites, magnified. Specimen from Wenlock ; Collection of the 



Geological Society. 

 2g. Vertical section of the specimen figured in 2c ; amplified. 



Favosites aspera (p. 257). 



Fig. 3. A broken specimen from Leinthall Earls, near Ludlow, belonging to the 

 Collection of the Geological Society ; natural size. 

 3a. Some corallites ; amplified. 



Favosites multipora (p. 258). 



Fig. 4. A cast found at Haverford West, belonging to the Collection of the Geological 

 Society of London ; natural size. 



