PLATE XLI. 



Page 

 Figs. 1, 2. PsiLASTER CASSIOPE, n. Sp 228 



Fig. 1. Abactinal aspect ; magnified 1^ diameters. 

 Fig. 2. Actinal aspect; magnified 1^ diameters. 



[For magnified details of this species see PL VII. figs. 9, 10.] 



Figs. 3, 4. Psilaster patagiatus, n. sp. . . ■ . 232 



Fig. 3. Abactinal aspect ; magnified 1^ diameters. 

 Fig. 4. Actinal aspect ; magnified 1^ diameters. 



[For magnified details of this species see PI. VII. figs. 11, 12.] 



Figs. 5, 6. Psilaster gracilis, n. sp 230 



Fig. 5. Abactinal aspect ; magnified 1^ diameters. 

 Fig. 6. Actinal aspect ; magnified 1^ diameters. 



[For magnified details of this species see PI. XLII. figs. 9-11.] 



