Indo-Pacific Echinoderms — CLARK 
261 
LOCALITY: Saipan, lagoon west of the is- 
land, P. E. Cloud, Jr., May 13, 1949 (4 
specimens). 
Genus Ophiomastix Muller and Troschel 
Ophiomastix mixta Liitken 
Ophiomastix mixta Liitken, Additamenta ad 
historiam Ophiuridarum, pt. 3, pp. 42, 99, 
1869 (Samoa and Fij'i). 
LOCALITIES: Gilbert Islands, Onotoa Atoll, 
G.O.C.-24 (1 specimen); G.O.C.-36 (1 spec- 
imen); G.O.C.-51 (1 specimen). 
Saipan, lagoon west of the island, P. E. 
Cloud, Jr., March 7, 1949 (2 specimens). 
Fiji, reef east of Mukuluva, June 14, 1922 
(1 specimen). 
Ophiomastix bispinosa H. L. Clark 
Ophiomastix bispinosa H. L. Clark, Mus. Corn- 
par. Zook, Bui. 61(12): 442, pi. 2, figs. 1, 
2, 1917 (Paumotu [Tuamotu] Islands, 
Makemo) . 
LOCALITY: Gilbert Islands, Onotoa Atoll, 
Banner, B-1 (1 specimen). 
Ophiomastix notabilis H. L. Clark 
Ophiomastix notabilis H. L. Clark, Mus. Corn- 
par. Zook, Mem. 55: 337, fig. 27, 1938 
(Cape Leveque, Western Australia). 
LOCALITIES: Gilbert Islands, Onotoa Atoll, 
G.O.C.-35 (1 specimen); G.O.C.-51 (2 
specimens). 
Saipan, lagoon west of the island, P. E. 
Cloud, Jr., May 13, 1949 (1 specimen). 
Ophiomastix annulosa (Lamarck) 
Ophiura annulosa Lamarck, Histoire naturelle 
des animaux sans vertebres, vol. 2, p. 543, 
1816 (from the voyage of Peron and 
Lesueur) . 
LOCALITY: Netherlands New Guinea, Am- 
sterdam Island, about 5 miles north of San- 
sapor, Lt. George H. Penn, August 15 to 
October 3, 1944 (1 specimen). 
Genus Ophiarthrum Peters 
Ophiarthrum elegans Peters 
Ophiarthrum elegans Peters, Preuss. Akad. der 
Wiss., Ber. 1851: 463 (Querimba Island). 
LOCALITIES: Saipan, lagoon west of the is- 
land, P. E. Cloud, Jr., May 13, 1949 (1 
specimen) . 
Fiji, Mukuluva reefs, June 8, 1922 (6 
specimens) . 
Ophiarthrum pictum (Muller and Troschel) 
Ophiocoma picta Muller and Troschel, System 
der Asteriden, p. 102, 1842 (Java). 
LOCALITY: Guam, Oca Point, D. G. Frey, 
November, 1945 (2 specimens). 
Family OPHIODERMATIDAE 
Genus Ophiarachnella Ljungman 
Ophiarachnella gorgonia (Muller 
and Troschel) 
Ophiarachna gorgonia Muller and Troschel, 
System der Asteriden, p. 105, 1842 (lo- 
cality unknown). 
LOCALITIES: Gilbert Islands, Onotoa Atoll, 
G.O.C.-30 (1 specimen). 
Guam, Oca Point, D. G. Frey, November, 
1945 (1 specimen). 
Ophiarachnella infernalis (Muller 
and Troschel) 
Ophiarachna infernalis Muller and Troschel, 
System der Asteriden, p. 105, 1842 (Indian 
Ocean) . 
locality: Guam, Oca Point, D. G. Frey, 
November, 1945 (4 specimens). 
Genus Ophiopezella Ljungman 
Ophiopezella spinosa (Lungman) 
Ophiarachna spinosa Ljungman, Ofvers. K. 
