CLARK: JAPANESE AND EAST INDIAN ECIIINODERMS. 289 



Although the reproductive organs are fairly well developed, I do not feel confi- 

 dent that these specimens are full grown. 



OPHIUROIDEA. 



Pectinura gorgonia. 



Ophiarachna yorgonia Mliller & Troschel, 1842. Sys. Ast., p. 105. 

 Pectinura gorgonia Liitken, 1869. Add. Hist. Oph., pt. 3, p. 33. 



4 specimens. Diameter of disc, 10-11 mm. Green above, more or less 

 blotched with yellowish white ; arms conspicuously banded with same colors 

 (dry). Sorong, New Guinea. Barbour collection. 



Pectinura infernalis. 



Ophiarachna infernalis Miiller & Troschel, 1842. Sys. Ast., p. 105. 

 Pectinura infernalis Liitken, 1869. Add. Hist. Oph., pt. 3, p. 33. 



34 specimens. Diameter of disc, 7-11 mm. Light gray to yellow-brown 

 above, more or less variegated ; arms distinctly banded with light and dark gray 

 (dry). Sorong, New Guinea. Barbour collection. 



Ophiolepis annulosa. 



Ophiura annulosa de Blainville, 1834. Man. d'Act., p. 244. 



Ophiolepis annulosa Miiller & Troschel, 1840. Arch. f. Naturg., 6 (1), p. 328. 



3 specimeus. Diameter of disc, 15-18 mm. Deep purplish brown above, with 

 large spot at centre of disc, oue equally large at base of each arm, and from five 

 to eight bands on each arm, dark buff (dry). Sorong, New Guinea. Barbour 

 collection. 



Ophiolepis cincta. 

 Muller & Troschel, 1842. Sys. Ast., p. 90. 



2 specimens. Diameter of disc, 10 mm. Dull olive or brownish above ; one 

 specimen with arms indistinctly banded with lighter (dry). Amboiua. Barbour 

 collection. 



Ophioplocus imbricatus. 



Ophiolepis imbricata Miiller & Troschel, 1842. Sys. Ast., p. 93. 

 Ophioplocus imbricatus Lyman, 1865. Illust. Catal., p. 69. 



1 specimen. Diameter of disc, 14 mm. Dull brownish above on disc; light 

 olive, with nine or ten narrow dark bands on arms. Amboiua. Barbour 

 collection. 



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