PLATE XXI. 



Page 

 FigS. 1-4. HYPHAL ASTER DIADEMATUS, n. Sp. . . . 159 



Fig. 1. Abactinal aspect; magnified 4 diameters. 

 Fig. 2. Actinal aspect ; magnified 4 diameters. 

 Fig. 3. Profile view ; magnified 4 diameters. 



Fig. 4. A portion of the abactinal surface ; magnified about 14 diameters. 

 [For magnified details of this species see PI. XXVIII. figs. 17-20.] 



FigS. 5-10. PoECELLANASTER CAULIFER, U. sp. . . . 138 



Fig. 5. Abactinal aspect ; magnified 4 diameters. 



Fig. 6. Actinal aspect ; magnified 4 diameters. 



Fig. 7. Profile view ; magnified 4 diameters. 



Fig. 8. Diagram of the terminal plate; magnified. 



Fig. 9. Diagram of the marginal plates ; magnified. 



Fig. 10. The madreporiform body; magnified 8 diameters. 



[For magnified details of this species see PI. XXVII. figs. 9-12.] 



