﻿MARSHALL ISLANDS ECHENODERMS — CLARK 293 



Family OPHIOTRICHIDAE 

 Genus OPHIOTHRIX Muller and Troschd 



OPHIOTHRIX LONGIPEDA (Lamarck) 



Ophiii7-a longipeda Lamarck, Histoire naturelle des animaux sans verR'bres, vol. 



2, p. 544, 1S16 (IMauritins). 



Locality. — Bikini Atoll; Bikini Island, under rocks on the outer 

 reef flat ; Bayer, August 8, 1947. One specimen, U.S.N.M. No. E. 7342, 



OPHIOTHRIX ELEGANS Lutken 



Ophiothrix elegans Lutken, Additamenta ad historiam Ophiuridarum, part 3, 

 pp. 57, 99, 1869 (China Sea). 



Locality. — Rongelap Atoll; lagoon, 2 miles west of Busch Island; 

 120 feet; Taylor, June 21, 1946. Three specimens, U.S.N.M. No. 

 E. 7584. 



OPHIOTHRIX VIRGATA Lyman 



Ophiothrix virgata Lyman, Proc. Boston Soc. Nat. Hist., vol. 8, p. 82, 1861 (Kings- 

 mill [Gilbert] Islands). 



Localities. — Bikini Atoll; Bikini; Schultz, April 13, 1948. Three 

 specimens, U.S.N.M. No. E. 7345. 



Bikini Atoll ; in the lagoon ; Morrison, August 26, 1947. One speci- 

 men, U.S.N.M. No. E. 7344. 



Bikini Atoll; Johnson, May 1946. Six specimens, U.S.N.M. No. 

 E. 7625. 



OPHIOTHRIX TRILINEATA Liilken 



Ophiothrix trilineata LiItken, Additamenta ad historiam Ophiuridarum, part 



3, pp. 58, 100, 1869 (Samoan Islands) . 



Locality. — Bikini Atoll ; Bikini Island, lagoon reef ; Bayer, August 

 24, 1947. One specimen. 



OPHIOTHRIX EXIGUA Lyman 



Ophiothrix exigua Lyman, Bull. Mus. Coiup. Zool., vol. 3, part 10, p. 236, pi. 4, figs. 

 14-26, 1874 (Philippine Islands), 



Locality. — Eniwetok Atoll; in the lagoon approximately 5 miles 

 north of the anchorage, about 3 miles west of Bogen Island; 90-120 

 feet ; Taylor, 1947. One specimen, U.S.N.M. No. E. 7329. 



OPHIOTHRIX LEPIDA de Loriol 



Ophiothrix lepida de Loriol, Mem. soc. phys. nat. hist. Geneve, vol. 32, part 1, 

 No. 3, p. 45, pi. 25, figs. 1-1 f, 1893 (Mauritius) . 



Locality. — Bikini Atoll; ojff Bikini Island; 400-550 feet; August 6, 

 1947. One specimen, U.S.N.M. No. E. 7340. 



Note. — This specimen is of the typical form, not the Hawaiian 

 subspecies {haioaiiensis A. H. Clark). It was taken from a muriciid 

 alcyonarian. 



