PLATE XII. 



Page 

 FigS. 1, 2. PONTASTER HEBITUS, n. sp. . . . . 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 PI. VIII. figs. 1, 2.] 



FigS. 3, 4. PONTASTER FORCTPATUS, U. 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 PL 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 trulltpes, n. sp. ... 55 



Fig. 9. Adambulacral aud 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, n. sp 41 



Fig. 11. Adambulacral and infero-marginal plates ; magnified 15 diameters. 

 Fig. 12. A portion of the abactinal surface; magnified 20 diameters. 



[For macroscopic figures of this species see PL IX. figs. 5, C] 



