Plate 13. 



Hawaiian deep-sea corals. 



Figs. 1, la. Desmophyllum cristagalU Milne Edwards and Haime. Fig. 1, side 

 view, natural size ; fig. lo, calice, X 2, of tlie same specimen. 

 2, 2o. Cyathoceras diomedeac Vaughan. Fig. 2, side view, natural .size; 



fig. 2a, calice, X about 2, of the same specimen. 

 3,3a. CaryophyUia aJcocK-i Vaughan. Fig. 3, side view, natural size; 



fig.—! 

 3a, calice, X 2 1/2, of the same specimen. 



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