TAB. XXV. 



CORALS FROM THE GREAT AND THE INFERIOR OOLITE. 

 DiSCOCYATHUS EuDESI (p. 124). 



Prom the Inferior Oolite. 



Fig. 1. Side view; natural size. 



1 a. Inferior surface of the same, showing the mural disc. 



1 d. Calice, magnified. 



Anabacia hemispherica (p. 142). 



From the Inferior Oolite. 



Fig. 2. Side view ; natural size. 



2 a, Calicular surface of the same. 



Anabacia orbulites (p. 120). 



From the Great Oolite and the Inferior Oolite. 



Fig. 8. Side view; natural size. 



3 a. A smaller specimen, showing the calicular surface. 

 3 d. The same, magnified. 



3 c. Inferior surface of a small specimen ; natural size. 

 3 d. Inferior surface, magnified. 



3 e. A large individual. 



3/. Inferior surface of a worn specimen. 



Thamnastrea Waltoni (p. 120). 



From the Great Oolite. 



Fig. 4. A small fragment; natural size. 



4 a. Calices, magnified. 



MiCROSOLENA excelsa (p. 124). 



From the Great Oolite. 

 Fig. 5. Side view of a group of these Corals ; natural size. 



5 a. Calices, magnified, 



MiCROSOLENA REGULARIS (p. 122). 



From the Great Oolite. 

 Fig. 6. A specimen much weather worn ; natural size. 



6 a. Calices, magnified. 



6d. A part of the exterior surface of the compound corallum magnified, to show 

 the regular granular structure of the costae. 



