PLATE III. 



LIASSIC CORALS IROM BROCASTLE. 



Fig. 



1. TJiecosmilia irregularis, Dimcan. (P. 15.) 



2. Its upper surface, magnified. 



3. Its epitheca, calices, and base, magnified. 



4. A circular calice, magnified. 



5. Septa (upper margin), magnified. 



6. Side view of a septum, with terminal tooth. 



7. TJiecosmiUa Terquemi, Duncan. (P. 16.) 



8. Its base, magnified ; the epitheca has been worn, and the costse are seen with 



dissepiments. 



9. Its upper surface, magnified. 



12. A side ^•iew of a septum, magnified. 



13. A variety of Thecosmilia irregularis, Duncan. (P. 1-5.) 



14. Its calice, magnified. 



15. A side view of a septum, magnified. 



16. Monflivaltia simplev, Duncan. (P. 9.) 



17. Its calice, magnified. 



18. T/iecosmilia affinis, Duncan. (P. 16.) 



19. A calice, magnified. 



20. A side view of a septum, magnified. 



21. Thecosmilia deufafa, Duncan. (P. 16.) 



22. Its calice, magnified. 



23. A septum, magnified. 



24. I7i ecosmi/i a jjla/ia, Duncan. (P. 17.) 



25. Part of its calice, magnified. 



Its calices, magnified. 



