PLATE X. 



CORALS FROM THE UPPER GREENSAND OF HALDON. 



Fig. 



1. The corallum oi PJacosmflia cuneiformis, Ed. and H. (P. 27.) 



2. Part of a septum, magnified. 



3. The costse, magnified. 



4. Oblique view of the costse, magnified, 

 o. The cahce, magnified. 



6. The corallum oi Placosmilia Parkinsom, Ed. and H. (P. 28.) 



7. The calice, magnified. 



8. The corallum oi Peplosmilia depressa, E. de From. (P. 29.) 



9. The costBB, magnified. 

 10. The cahce, magnified. 



12. r- The corallum oi Placosmtha maffnifica, Duncan. (P. 28.) 

 13.) 



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