PLATE IX 



liassic corals from brocastle. 



Fig. 



1. Astrocoenia insi^nis, Duncan. (P. 19.) Acorallum. 



2. Calices, magnified. 



3. Astrocoenia superha, Duncan. (P. 21.) Part of a corallmn. 



4. A calice, magnified. 



5. A side view of a calice, magnified. 



6. Cyathoccenia dendroidea, Duncan. (P. 27.) A corallmn. 



7. A calice, magnified. 



8. A calice, magnified ; a side view. 



9. A transverse section of a stem, showing the concavities produced by the cahces and ^ 



the intermediate coeneuchyma. 



10. Astrocoenia dendroidea, Duncan. (P. 22.) A part of a corallum. 



11. A calice, magnified. 



\2. Astrocoenia favoidea,'D\mc?a\. (P. 21.) Acorallum. 



13. Calices, magnified. 



14. A side view of a calice, magnified. 



15. Astrocoenia costata, Duncan. (P. 21.) A corallum, 



16. Calices, magnified. 



17. A corallum. 



18. Astrocoenia rninuta, Duncan. (P. 22.) A corallum. 



19. A calice, magnified. 



20. A side view of a calice, magnified. 



