PLATE XLI. 
Figs. 1, 2. PSILASTER CASSIOPE, nN. sp. . 
. Abactinal aspect ; magnified 14 diameters. 
. Actinal aspect ; magnified 14 diameters. 
[For magnified details of this species see Pl. VII. figs. 9, 10.] 
Figs. 3, 4. PSILASTER PATAGIATUS, 0. sp. 
. Abactinal aspect ; magnified 14 diameters. 
. Actinal aspect ; magnified 15 diameters. 
[For magnified details of this species see Pl. VII. figs. 11, 12. | 
Figs. 5, 6. PsmAsTER GRACILIS, n. sp. - 
. Abactinal aspect ; magnified 14 diameters. 
. Actinal aspect; magnified 14 diameters. 
[For magnified details of this species see P]. XLII. figs. 9-11. | 
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