PLATE VII. 
Figs. 1, 2. PoNTasTER LIMBATUS, 0. sp. 
. 1. A portion of the abactinal surface ; magnified 25 diameters. 
bo 
. 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. 
3. A portion of the abactinal surface ; magnified 20 diameters. 
. 4, Adambulacral and infero-marginal plates; magnified 10 diameters. 
[For a macroscopic figure of this variety see Pl. VI. fig. 7.] 
Figs. 5, 6. PoNTASTER MIMICUS, n. sp. . ; 
5. A portion of the abactinal surface; magnified 20 diameters. 
g. 6, Adambulacral and infero-marginal plates; magnified 10 diameters. 
[For macroscopic figures of this species see Pl. VI. figs. 1, 2. ] 
Figs. 7, 8. PoNTASTER PRISTINUS, I. Sp. - ° 
. 7. A portion of the abactinal surface ; magnified 30 diameters. 
. 8. Adambulacral and infero-marginal plates; magnified 25 diameters. 
[For macroscopic figures of this species see P]. VI. figs. 5, 6.] 
Figs. 9, 10. PsILASTER CASSIOPE, D. sp. . ° 
. 9. A portion of the abactinal surface ; magnified 16 diameters. 
. 10. Adambulacral and infero-marginal plates; magnified 10 diameters. 
[For macroscopic figures of this species see Pl. XLI. figs. 1, 2.] 
Figs. 11, 12. PsILASTER PATAGIATUS, N. sp. . . 
. 11. A portion of the abactinal surface ; magnified 20 diameters. 
. 12, Adambulaeral and infero-marginal plates ; magnified 8 diameters. 
|For macroscopic figures of this species see Pl. XLI. figs. 3, 4.] 
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