PLATE XII. 
Page 
Figs. 1, 2. PoNTASTER HEBITUS, 1. sp. . : _ 5 33 
Fig. 1. Adambulacral and infero-marginal plates; magnified 8 diameters. 
Fig. 2. A portion of the abactinal surface ; magnified 25 diameters. 
[For macroscopic figures of this species see P]. VIII. figs. 1, 2. ] 
Kies. 3, 4. PoNTASTER FORCIPATUS, 0. sp. ; : 43 
Fig. 3. Adambulacral and infero-marginal plates ; magnified 10 diameters. 
Fig. 4. A portion of the abactinal surface ; magnified 20 diameters. 
[For macroscopic figures of this species see P]. VIII. figs. 3, 4. | 
Figs. 5, 6. PONTASTER VENUSTUS, n. sp. : : : 52 
Fig. 5. Adambulacral and infero-marginal plates ; magnified 12 diameters. 
Fig 6. A portion of the abactinal surface; magnified 18 diameters. 
[For macroscopic figures of this species see Pl. VIII. figs. 5, 6.] 
Figs. 7, 8. PoNTASTER OXYACANTHUS, N. sp. : : : 38 
Fig. 7. Adambulacral and infero-marginal plates ; magnified 8 diameters. 
Fig. 8. A portion of the abactinal surface ; magnified 15 diameters. 
[For macroscopic figures of this species see Pl. IX. figs. 1, 2.] 
Figs. 9, 10. PoNTASTER TRULLIPES, Nn. Sp. A 5 55 
Fig. 9. Adampuiacral and infero-marginal plates; magnified 20 diameters. 
Fig. 10. A portion of the abactinal surface; magnified 25 diameters. - 
[For macroscopic figures of this species see Pl. IX. figs. 3, 4.] 
Figs. 11, 12. PoNTASTER TERES, 1. sp. - é . : 41 
Fig. 11. Adambulacral and infero-marginal plates ; magnified 15 diameters. 
Fig. 12. A portion of the abactinal surface ; magnified 20 diameters. 
|For macroscopie figures of this species see Pl. 1X. figs. 5, 6.] 
