PLATE LI. 
Figs. 1, 2. NYMPHASTER ALBIDUS, 0. sp. . 
Fig. 1. Abactinal aspect ; magnified 2 diameters. 
Fig. 2. Actinal aspect; magnified 2 diameters. 
[For magnified details of this species pee Ply I figs.5; 6.]| 
' 
Figs. 8, 4. PARAGONASTER CYLINDRATUS, 1. sp. . 
Fig. 3. Abactinal aspect ; magnified 2 diameters. 
Fig. 4. Actinal aspect; magnified 2 diameters. 
[For magnified details of this species see P]. LUI. figs. 3, 4.] 
Figs. 5. 6. PARAGONASTER CTENIPES, 0. sp. : 
Fig. 5. Abactinal aspect ; magnified 2 diameters. 
Fig. 6. Actinal aspect; magnified 2 diameters. 
[For magnified details of this species see Pl. LIIL figs. 1, 2.) 
