PLATE VIIT. 



CORALS FROM BROCKENHURST. 



2Iadrej)ora Anglica, Duncan. (P. 51.) 

 Fig. 



1. The corallum. 



2. Group of calices from the end of an aborted branch ; the union of opposite primary 



septa is well seen. Magnified. 



3. A diagram of the septal arrangement, the wall, and the faint costse. 



4. Slightly projecting calices, separated by much papillate coenenchyma, magnified. 



5. One of the calices, magnified, showing the papillate coenenchyma also. 



6. Longitudinal section of two corallites and the intervening cojnenchymal cells ; the 



papillae on the surface arc shown. Magnified. 



7. Magnified view of a projecting tubuliform calice, with costse ending inferiorly in the 



coenenchymal papillae. 



Madrejwra Roemeri, Duncan. (P. 5L) 



8. The coalesced branches of part of the corallum. 



9. Diagram of the septal arrangement. 



10. A tubuliform calice, with projecting costse, magnified. 



11. A branch (worn), magnified. 



Madrepora Solanderi, Defrance. (P. 51.) 



12. Part of a corallum. 



13. Group of calices, magnified. 



14. Group of calices and surrounding granular coenenchyma, magnified. 



