72 XV. Ecehinodermata (mit Einschluss der fossilen) für 1900. 
Ophiopleura boreulis Knipowitsch, Grieg (2). 
Ophioplinthaca, Type: O. dipsacos Verrill (2) — carduus, chelys, incisa, plicata, 
sarsii 1. €. 
Ophioplinthus Gregory in Bather (2) — medusa Chun. 
Ophioplocus Gregory in Bather (2). 
Ophioplus Verrill (2) — tuberculosus, Fig. 1. ©. 
Ophiopora 1. ec. — bartlettı 1. c. 
Ophiopristis 1. e. — cervicornis, ensifera u. hirsuta 1. ©. 
Ophiopsammium Gregory in Bather (2), Verrill (2). 
Ophiopsila Gregory in Bather (2), Verrill (2) — pantherina, Fig., Koehler (1) 
— rüsei Verrill (1). 
Ophiopteris Gregory in Bather (2). 
Ophiopteron 1. €., Verrill (2) — elegans Pfeffer. 
Ophiopus Gregory in Bather (2) — arcticus Grieg (2). 
Ophiopyren Gregory in Bather (2) — sp. Chun — regulare, „Belgiea“-Exped., 
Koehler (3) n. sp. 
Ophiopyrgus, Fig., @regory in Bather (2) — australis, „Belgiea“-Exped., Koehler 
(3) n. Sp» 
Ophioscalus Verrill (2) — echinulatus 1. €. 
Ophiosciasma 1. €, Gregory in Bather (2). 
Ophioseolex Il. ee. — fragilis, Barbados, 82 Faden, Verrill (2) — ylacialis 
Doederlein, Howe, Grieg (2), Petersen og Levinsen — purpureus Knipo- 
witsch. 
Ophioscolicidae Verrill (2). 
Ophiosphaerea 1. c. 
Ophiostigma Gregory in Bather (2) tsacanthum Verrill (2). 
Ophioteresis, Fig., @regory in Bather (2). 
Ophiothamnus 1. ec. — exigua, yracilis, vicarius, Verrill (2). 
Opkiothela 1. €, Gregory in Bather (2). 
Ophiotholia Gregory in Bather (2) — supplicans Verrill (2). 
Ophiotholinae, n. subfam. pro Ophiotholia 1. ©. 
Ophiothrichidae @regory in Bather (2), umfassend Ophiothrix, Ophiothela, Ophio- 
enemis, Ophiopsammium, Ophiomaza, Ophiogymna, Ophiocampsis, Ophio- 
trichoides, Ophiopteron, Luetkenia, G@ymnolophus, Ophiovaethiops, Ophiosphaerea, 
Ophiolophus Verrill (2). 
Ophiothrichoides 1. €. 
Ophiothrix 1. ., Gregory in Bather (2) — angulata Verrill (1), H. Wilson — 
cataphracta Pfeffer — clypeata (= junger Ophioenemis marmorata) Loriol 
— comata u. diligens, abg., Koehler (1) — exigua Pfeffer — fragilis 
Allen a. Todd, Petersen og Levinsen, Beaumont, Pruvot, Galvanotaxis 
der Larve Carlgren — innocens, insidiosa, otiosa, propingua, speciosa, alle 
abgeb., Koehler (1) — longipeda u. martensi Pfeffer — pentaphyllum Herd- 
man — suensoni Verrill (1) — trilineata Pfeffer. 
Ophrotrema 1. c., Gregory in Bather (2) — alberti Verrill (2). 
Ophiotreta 1. ce. — lineolata, placentigera, sertata, valenciennesi 1. c. 
Ophiotrochus Gregory in Bather (2). 
Ophiozona 1. ec. -- nivea v. compta, Fig., Verrill (2). 
