PLATE XXXVII. 
Figs. 1-3. AsSTROPECTEN BREVISPINUS, 0. sp. 
g. 1. A portion of the abactinal surface; magnified 20 diameters. 
. 2. Mouth-plates ; magnified 12 diameters. 
3. Adambulacral and infero-marginal plates; magnified 15 diameters. 
[For macroscopic figures of this species see P]. XX XIII. figs. 1, 2.] 
Figs. 4-6. ASTROPECTEN PECTINATUS, n. sp. 
4. A portion of the abactinal surface; maguified 15 diameters. 
5. Mouth-plates; magnified 10 diameters. 
. 6, Adambulacral and infero-marginal plates; magnified 8 diameters. 
[For macroscopic figures of this species see Pl. XX XIII. figs. 3, 4.] 
Figs. 7-9. ASTROPECTEN HERMATOPHILUS, D. sp. . 
. 7. A portion of the abactinal surface ; magnified 25 diameters. 
. 8. Mouth-plates; magnified 10 diameters. 
. 9. Adambulacral and infero-marginal plates; magnified 12 diameters. 
[For macroscopic figures of this species see Pl. XXXII. figs. 5, 6. ] 
Figs. 10-12. ASTROPECTEN MONACANTHUS, 2. sp. 
. 10. A portion of the abactinal surface ; magnified 25 diameters. 
g. 11. Mouth-plates; magnified 20 diameters. 
g. 12. Adambulacral and infero-marginal plates; magnified 20 diameters. 
[For macroscopic figures of this species see Pl. XXXIII. figs. 7, 8.] 
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