PLATE II. 
Page 
Figs. 1, 2. PARARCHASTER SEMISQUAMATUS, 0. sp. . : - 7 
Fig. 1. Abactinal aspect; natural size. 
Fig. 2. Actinal aspect ; natural size. 
| For magnified details of this species see Pl. IV. figs. 7, 8.] 
Figs. 3, 4. DyTASTER EXILIS, var. GRACILIS, nov. . : F 68 
Fig. 3. Abactinal aspect; magnified 14 diameters. 
Fig. 4. Actinal aspect ; magnified 14 diameters. 
[For magnified details of this species see Pl. IV. figs. 9, 10. ] 
