PLATE XXV. 



Page 



Figs. 1-3. Hyphalaster planus, n. sp 165 



Fig. 1. Abactinal aspect; magnified 2 diameters. 

 Fig. 2. Actinal aspect ; magnified 2 diameters. 

 Fig. 3. Profile view ; magnified 2 diameters. 



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



Figs. 4-6. Hyphalaster inermis, n. sp. . . . 162 



Fig. 4. Abactinal aspect ; magnified 3 diameters. 

 Fig. 5. Actinal aspect ; magnified 3 diameters. 

 Fig. 6. Profile view ; magnified 3 diameters. 



[For magnified details of this species see PI. XXVIII. figs. 5-8.] 



