TAB. LVI. 



CORALS FROM THE DEVONIAN FORMATION. 



Cystophyllum vesiculosum (p. 243). 



Fig. 1 . Side view of a coral from Torquay, belonging to Mr, Pengelly ; natural size. 

 la. A transverse section of another specimen from the same locaUty ; natural size. 

 lb. Part of a vertical section of a specimen from Mudstone Bay, belonging to 

 Dr. Battersby ; natural size. 



Sponggphylltjm Sedgwicki (p. 242). 



Fig. 2. Transverse section of a specimen with thick walls, from Torquay; natural size. 

 2(2. Part of the same, magnified. 

 2b. Specimen with thin walls ; natural size. 

 2c. Part of the same, magnified. 

 2d. Another specimen from Torquay, with walls still thiimer, and the vertical 



dissepiments stronger than in the preceding ones, magnified. 

 2e. A vertical section magnified. 



35 



