PLATE XIV. 



Fig. 1. Mycedium fragile Dana, in profile, showing lower surface destitute of polyps, natural size. 



Fig. 2. Mycedium fragile Dana, portion of lower surface, magnified, showing the costal striae. 



Fig. 3. Mycedium fragile Dana, diagram of vertical section through the corallum, natural size. 



Fig. 4. Mycedium fragile Dana, central calicle and surrounding ones, magnified. 



Fig. 5. Mycedium fragile Dana, part of lower surface, natural size. 



Fig. 6. Mycedium fragile Dana, specimen broken through the centre. 



Fig. 7. Mycedium fragile Dana, section near the edge, slightly magnified. 



Fig. 8. Mycedium fragile Dana, portion of large specimen, natural size. 



Fig. 9. Mycedium fragile Dana, portion of the edge and neighboring calicles, magnified. 



