TAB. XLIX. 



CORALS FROM THE DEVONIAN FORMATION. 



Alveolites suborbicularis (p. 219). 



Fig. 1. A polished vertical section of a specimen from Torquay belonging to 

 Mr. Pengelly. 

 la. An oblique section, magnified. 



Alveolites Battersbyi (p. 220). 



Fig. 2. A vertical section of a specimen from Torquay, belonging to Dr. Battersby; 

 natural size. 

 2a. A part of the same, magnified, and showing the trabecular septa. 



Alveolites compressa (p. 221). 



Fig. 3. Part of a transverse section of a specimen from Torquay, belonging to 

 Mr. Pengelly. 



Metriophyllum Battersbyi (p. 222). 



Fig. 4. Transverse section of a specimen from Torquay, belonging to Dr. Battersby; 

 double the natural size. 



Amplexus tortuosus (p. 222). 

 Fig. 5a. Vertical section of a specimen from Plymouth, belonging to Mr. Pengelly. 



Hallia Pengellyi (p. 223). 



Fig. 6. Transverse section of a specimen from Torquay, belonging to Mr. Pengelly. 

 6a. A specimen from Petherwin, belonging to the collection of the Geological 



Society of London ; natural size. 

 6(5. A side view of the same. 



Cyathophyllum obtortum (p. 225). 

 Fig. 7. Transverse section of a specimen from Torquay, belonging to Professor 

 Phillips ; double the natural size. 



