PLATE VII. 



Page 

 Figs. 1, 2. PONTASTER LIMBATUS, II. sp. ... 35 



Fig. 1. A portion of the abactinal surface ; magnified 25 diameters. 

 Fig. 2. Adambulacral and infero- marginal plates ; magnified 12 diameters. 

 [For macroscopic figures of this species see PL VI. figs. 3, 4.] 



Figs. 3, 4. Pontaster tenuispinus, var. platynota, nov. . 29 



Fig. 3. A portion of the abactinal surface ; magnified 20 diameters. 



Fig. 4. Adambulacral and infero-marginal plates ; magnified 10 diameters. 



[For a macroscopic figure of this variety see PI. VI. fig. 7.] 



Figs. 5, 6. Pontaster mimicus, n. sp 48 



Fig. 5. A portion of the abactinal surface ; magnified 20 diameters. 



Fig. 6. Adambulacral and infero-marginal plates; magnified 10 diameters. 



[For macroscopic figures of this species see PI. VI. figs. 1, 2.] 



Figs. 7, 8. Pontaster pristinus, n. sp 50 



ig. 7. A portion of the abactinal surface ; magnified 30 diameters. 

 Fig. 8. Adambulacral and infero-marginal plates ; magnified 25 diameters. 



[For macroscopic figures of this species see PI. VI. figs. 5, 6.] 



Figs. 9, 10. PsiLASTER CASSIOPE, U. sp 228 



Fig. 9. A portion of the abactinal surface ; magnified 16 diameters. 



Fig. 10. Adambulacral and infero-marginal plates ; magnified 10 diameters. 



[For macroscopic figures of this species see PI. XLI. figs. 1, 2.] 



Figs. 11, 12. PsiLASTER PATAGIATUS, n. Sp. ... 232 



Fig. 11. A portion of the abactinal surface; magnified 20 diameters. 

 Fig. 12. Adambulacral and infero-marginal plates ; magnified 8 diameters. 



[For macroscopic figures of this species see PI. XLI. figs. 3, 4.] 



