Indo-Pacific Echinoderms — CLARK 
259 
LOCALITIES: Marshall Islands, Ailuk Atoll, 
near outer edge of seaward reef, leeward side 
of Ailuk Island, near west end of island, F. 
S. MacNeil, 1951-52 (1 specimen). 
Gilbert Islands, Onotoa Atoll, lagoon, A. 
H. Banner, July, 1951 (1 specimen). 
Palmyra Island (2 specimens). 
Saipan, lagoon west of the island, P. E. 
Cloud, Jr., May 13, 1949 (1 specimen). 
Family ACANTHASTERIDAE 
Genus Acanthaster Gervais 
Acanthaster plane! (Linne) 
Asterias planet Linne, Sy sterna naturae, ed. 10, 
p. 823, Appendix, 1758 (Goa [Portuguese 
India]). 
LOCALITIES: Gilbert Islands, Onotoa Atoll, 
G.O.C.-36 (1 specimen). 
Tuamotus, Morrison, 2236 (1 specimen). 
New Caledonia (2 specimens). 
Class OPHIUROIDEA 
Family OPHIACTIDAE 
Genus Ophiactis Liitken 
Ophiactis savignyi (Muller and Troschel) 
Ophiolepis savignyi Muller and Troschel, Sys- 
tem der Asteriden, p. 95, Species 12, 1842 
(Egypt). 
LOCALITIES: Gilbert Islands, Onotoa Atoll, 
Banner, B-4, in old heads (9 specimens). 
Tuamotus, Morrison, 2122 (1 specimen). 
Family OPHIOTRICHIDAE 
Genus Ophiothrix Muller and Troschel 
Ophiothrix propinqua Lyman 
Ophiothrix propinqua Lyman, Boston Soc. Nat. 
Hist., Proc. 8: 83, 1861 (Kingsmill [Gil- 
bert] Islands). 
LOCALITIES: Gilbert Islands, Onotoa Atoll, 
G.O.C.-35 (2 specimens); G.O.C.-36 (1 
specimen); G.O.C.-51 (3 specimens). 
Canton Island, Charles A. Ely, 1942 (1 
specimen) . 
Ophiothrix trilineata Liitken 
Ophiothrix trilineata Liitken, Additamenta ad 
historiam Ophiuridarum, part 3, pp. 58, 
100, 1869 (Samoan Islands). 
LOCALITIES: Gilbert Islands, Onotoa Atoll, 
G.O.C.-51 (6 specimens). 
Tuamotus, Morrison, 1920 (1 specimen). 
Ophiothrix picteti de Loriol 
Ophiothrix picteti de Loriol, Rev. Suisse de 
Zook 1: 423, pL 15, figs. 3-3e (Amboina). 
LOCALITY: Canton Island, lagoon, in coral, 
Charles A. Ely, January, 1942 (2 specimens). 
Ophiothrix demessa Lyman 
Ophiothrix demessa Lyman, Boston Soc. Nat. 
Hist., Proc. 8: 82, 1861 (Sandwich [Ha- 
waiian] and Gilbert [Kingsmill] Islands). 
LOCALITIES: Gilbert Islands, Onotoa Atoll, 
G.O.C.-30 (2 specimens); exact locality lost, 
A. H. Banner (1 specimen). 
Ophiothrix longipeda (Lamarck) 
Ophiura longipeda Lamarck, Histoire naturelle 
des animaux sans vertebres, vol. 2, p. 544, 
1816 (Mauritius). 
LOCALITY: Saipan, lagoon north of Matuis 
Beach, northwestern Saipan, P. E. Cloud, Jr., 
December 12, 1948 (1 specimen). 
Family OPHIOCHITONIDAE 
Genus Ophionereis Liitken 
Ophionereis porrecta Lyman 
Ophionereis porrecta Lyman, Boston Soc. Nat. 
Hist. Proc. 7: 260, I860 (PFlorida). 
LOCALITIES: Gilbert Islands, Onotoa Atoll, 
G.O.C.-51 (3 specimens). 
Saipan, lagoon west of the island, P. E. 
Cloud, Jr., May 4, 13, 1949 (9 specimens). 
