220 
PACIFIC SCIENCE, Vol. XXII, April 1968 
from Lidilbut (O) and Japtan (O). bikini: 
Enyu (L). Warmer waters of Indo-Pacific 
Ocean. 
Family lumbrineridae 
KEY TO THE SPECIES FROM MARSHALL ISLANDS 
1. Prostomium bluntly conical 
Lumbrineris latreilli 
1. Prostomium short, globular 
Lumbrineris sphaerocephala 
Lumbrineris latreilli? Audouin and Milne Ed- 
wards 
Lumbriconereis latreilli Audouin and Milne- 
Edwards [sic]. Fauvel, 1953, pp. 266-267, 
fig. 134 m-r. 
Lumbrineris latreilli Audouin and Milne Ed- 
wards. Hartman, 1954^, p. 629. 
Hartman reported this species, with question, 
from the ocean side of Bikini Island, Bikini 
Atoll. Cosmopolitan in warmer seas. 
Lumbrineris sphaerocephala (Schmarda) 
Notocirrus sphaerocephalus Schmarda, 1861, 
p. 1 1 6. 
Lumbriconereis sphaerocephala (Schmarda). 
[sic], Fauvel, 1953, p. 267, fig. 135, c-f. 
Lumbrineris sphaerocephala (Schmarda) . 
Hartman, 1954^, p. 629. 
eniwetok: Lidilbut (O) by Hartman. Cen- 
tral Pacific Ocean to Indian Ocean. 
Family arabellidae 
KEY TO THE SPECIES FROM MARSHALL ISLANDS 
1. Parapodia with heavy, projecting acicula; 
capillary setae with smooth margins 
Drilonereis major 
1. Parapodia without projecting, heavy acicula; 
some capillary setae dentitions along part of 
one margin Arabella 2 
2. Acicular setae with asymmetrical hood 
Arabella mutans 
2. No such type of acicula Arabella 'tricolor 
Arabella 'tricolor (Montagu) 
Fauvel, 1953, 224-225, fig. 140 a-h; Hart- 
man, 1954^, p. 629. eniwetok: Parry (0,L), 
Eniwetok (0,L), Igurini (0,L), Japtan (O), 
Bogen (O), and from Rigili (L) by Hartman. 
Cosmopolitan. 
Arabella mutans (Chamberlin) 
Fauvel, 1953, p. 275, figs. 140 i— 1, 143 g-i; 
Hartman, 1954^, p. 629. eniwetok: Parry 
(O), Eniwetok (O), and reported by Hartman 
from Rigili (L) and Japtan (O). Cosmopolitan 
in the warmer seas. 
Drilonereis sp. cf. D. major Crossland 
Hartman, 1954^, p. 634. One specimen was 
taken from Namu Island (O), Bikini Atoll. 
Hartman stated that this specimen comes closest 
to D. major but differs in several respects. 
Family lysaretidae 
Aglaurides fulgida (Savigny) 
Fauvel, 1953, pp. 250-251, fig. 125 a-f; 
Hartman, 1954^, p. 629; Hartmann-Schroder, 
1965, p. 149, fig. 65. eniwetok: Lidilbut 
(O). RONGELAP: Burok (O). Both reports by 
Hartman. Cosmopolitan in the warmer seas. 
Family dorvilleidae 
KEY TO THE SPECIES FROM MARSHALL ISLANDS 
1. Nuchal tentacle present; dorsal cirrus entire; 
acicular lobe broad 
Pap illiodorvillea gardineri 
1. No nuchal tentacle; dorsal cirrus jointed at 
end; acicular lobe narrow 
Dorvillea similis 
Pap illiodorvillea gardineri Cross land 
Staurocephalus ( Dorvillea ) gardineri Cross- 
land, 1924, p. 93, figs. 112-118. 
S. gardineri. Fauvel, 1953, p. 280, fig. 143 
d-f. 
Dorvillea gardineri. Hartman, 1954^ p. 629. 
Papilliodorvillea gardineri. Pettibone, 1961, 
p. 182. 
eniwetok: Bogombogo (L) and Lidilbut 
(O) by Hartman, bikini: Enirik (O), by Hart- 
man. Marshall Islands to East Africa. 
Dorvillea similis Crossland 
Hartman, 1954^, p. 629. eniwetok: Parry 
(L), Eniwetok (0,L), Rigili (O), Bogombogo 
(O), Japtan (O), and also from Bogon (O) 
and Lidilbut (O) as reported by Hartman. Gulf 
of Suez and Marshall Islands. 
