TAB. XVI. 



CORALS FROM THE CORAL RAG. 



Calamophyllia Stokesi (p. 89). 



Fig. 1 . Lateral view of the corallum ; natural size. 



1 a. A fragment magnified, showing the structure of the walls. 

 1 h. Calice magnified, showing the denticulated edge of the septa. 



1 c. A horizontal section of a specimen, in which the intermural spaces are filled up 



with extraneous matter. 



\d. k horizontal section of one of these corallites, magnified to show the endo- 

 thecal dissepiments. 



Cladophyllia Conybearii (p. 91). 



Fig. 2. Some small branches embedded in stone ; natural size. 



2 «. A fragment, magnified. 



2 b. Calice of an adult corallite, magnified. 

 2 c. Calice of a young corallite, magnified. 



