EXPLANATION OF PLATE 6 

 Fig. 1. Dendrophyllia hannibaU, n. sp., general view showing branching. X 

 Fig. 2. Dendrophyllia hannibali, n. sp., view of a branch showing costal develop- 

 ment. X 1. 



Fig. 3. Dendrophyllia hannibali, n. sp., cross-section below calice. X 3. 



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