PLATE LXXVII. 
Figs. 1, 2. PreRASTER STELLIFER, 0. sp. . 
. A portion of the supradorsal membrane ; magnified 10 diameters. 
. Adambulacral plates and adjacent portion of the actinal surface ; magnified 
6 diameters. 
[For macroscopic figures of this species see P]. LX XIV. figs. 1, 2.] 
Figs. 3, 4. PrERASTER RUGATUS, 0. sp. . 
. A portion of the supradorsal membrane ; magnified 15 diameters. 
4, Adambulacral plates and adjacent portion of the actinal surface ; magnified 
12 diameters. 
{For macroscopic figures of this species see Pl. LXXIV. figs. 3, 4.] 
Figs. 5, 6. PrERASTER SEMIRETICULATUS, nh. sp. 
. A portion of the supradorsal membrane ; magnified 20 diameters. 
. Adambulacral plates and adjacent portion of the actinal surface ; magnified 
14 diameters. 
[For macroscopic figures of this species see Pl. LXXV. figs. 5, 6.] 
Figs. 7, 8. RETASTER GIBBER, N. sp. 
. A portion of the supradorsal membrane ; magnified 12 diameters. 
8. Adambulacral plates and adjacent portion of the actinal surface ; magnified 
10 diameters. 
[For macroscopic figures of this species see Pl. LX XIV. figs. 5, 6.] 
Figs. 9, 10. RerasteR VERRUCOSUS, n. sp. 
. A portion of the supradorsal membrane ; magnified 10 diameters. 
. 10. Adambulacral plates and adjacent portion of the actinal surface ; magnified 
5 diameters. 
[For macroscopic figures of this species see Pl. LXXVI. figs. 1, 2.] 
Figs. 11, 12. RETASTER INSIGNIS, D. sp. . 
. 11. A portion of the supradorsal membrane ; magnified 5 diameters. 
. 12, Adambulacral plates and adjacent portion of the actinal surface ; magnified 
8 diameters. 
[For macroscopic figures of this species see P]. LXXVI. figs. 3, 4. ] 
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