Fig 
PLATE XLIX. 
Figs. 1, 2. PENTAGONASTER JAPONICUS, 0. Sp. 
. A portion of the abactinal surface ; magnified 8 diameters. 
2. Adambulacral plates and adjacent portion of the actinal surface ; magni- 
fied 10 diameters. 
[For macroscopic figures of this species see P]. XLVI. figs. 1, 2.] 
Figs. 3, 4. PENTAGONASTER PATAGONICUS, 0. sp. 
. A portion of the abactinal surface; magnified 10 diameters. 
. Adambulacral plates and adjacent portion of the actinal surface ; magni- 
fied 10 diameters. 
[For macroscopic figures of this species see Pl. XLVL. figs. 3, 4.] 
Figs. 5, 6. GNATHASTER ELONGATUS, 0. sp. 
. A portion of the abactinal surface of a young example ; magnified 20 
diameters. 
. Adambulacral plates and adjacent portion of the actinal surface of a young 
example ; magnified 15 diameters. 
[For macroscopic figures of this example see Pl. XIX. figs. 5, 6.] 
Figs. 7, 8. GNATHASTER ELONGATUS, N. sp. 
. A portion of the abactinal surface; magnified 12 diameters. 
. Adambulacral plates and adjacent portion of the actinal surface ; magni- 
fied 10 diameters. 
[For macroscopic figures of this species see P]. XLVIII. figs. 1, 2.] 
Figs. 9, 10. GNATHASTER ELONGATUS, n. sp. (Variety), 
. 9. A portion of the abactinal surface ; magnified 20 diameters. 
g. 10. Adambulacral plates and adjacent portion of the actinal surface ; magni- 
fied 10 diameters. 
[For macroscopic ficures of this variety see P]. XLVIII. figs. 3, 4.] 
Figs. 11, 12. GNATHASTER MERIDIONALIS, Smith, sp. ; 
. 11. A portion of the abactinal surface of a young example; magnified 20 
diameters. 
Fig 12. Adambulacral plates and adjacent portion of the actinal surface of a young 
example ; magnified 30 diameters. 
[For macroscopic figures of this example see Pl. XLVIIL. figs. 5, 6; for 
those of an adult example see Pl. XLVII. figs. 1, 2. ] 
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