Echinodermata (mit Einschluß der fossilen) für 1911. 47 
Ophiocrasis N. g. („Similar to Ophionereis, but with one or more secondary 
supplemental plates, just distal to the usual supplementary plates. 
Arms six in young, five in adults. Reproduction by fission apparently 
oceurs.‘‘) Type: O. dicetydisca n. Sp., Japan, 52— 73 Faden, H. L.Clark (1). 
Ophiocreas oedipus Lym. H. L. Clark (1). 
Ophiocten pacificum Lütk. Mort. H. L. Clark (1). — charischema n. SP., 
63—152 Faden, Japan etc., ähnelt O. depressum, 1. e. — brevispinum 
n. sp., 361 Faden, Eastern Sea, l. e. — oöplax n. sp., 94—614 Faden, 
Japan etc., I. e. — sericeum Forb. Mortensen (2). 
Ophiocynodus n. g., Type: O. corynetes n. sp., Washington, 345—685 Faden, 
H. L. Clark (1). 
Ophiodiplax n. g. bei Ophiacantha, disjuncta n. sp. Cap Royds, Koehler, 
Brit. Antarc. Exped. 2, p. 48. 
Ophiodoris pericalles n. sp., Japan, 65—106 Faden, H. L. Clark (1). 
Ophioglypha brevispina, hexactis Koehler, Ann. Inst. Ocean. 3, p. 28. — 
sinensis M’Intosh, Proc. R. Phys. Soc. Edinburgh 18, p. 158. — flexi- 
bilis, resistens nn. Spp., Cap Royds, Koehler, Brit. Antarct. Exped. 2, 
p- 42. — rouchi n. sp. [n. nud.!], Antarktis, Koehler, C. R. Acad. Sci. 
153, p. 736. — robusta Ayr. Mortensen (2). 
Ophiohymen n. g., Type: O. gymnodiscus n. Sp., Eastern Sea, 107—139 Faden, 
H. L. Clark (1). 
Ophiolebes asaphes n. sp., Sakhalin etc., 100—349 Faden, H. L. Clark (1). 
— brachygnatha n. Sp., Simushir Island, 229 Faden, ]. e. — pachybactra 
n. Sp., Attu Island, 135 Faden, I. e. — tylota n. sp., Beringsmeer etc., 
55—482 Faden, l. e. — diaphora n. sp., Beringsmeer, 54—482 Faden, 
l. c. — paucispina n. Sp., Beringsmeer etc., 230—482 Faden, I. ce. — 
brevispina n. Sp., Beringsmeer, 283 Faden, 1. e. 
TOphiolepis damesi Horwood, Geol. Mag. 8, p. 520. 
Ophioleptoplax n. 8., Type: O0. megapora n. sp., Eastern Sea, 71 Faden, 
H. L. Clark (1). 
Ophiologimusn.g.,Type:O.hexactis n.sp., Japan, 83— 158 Faden, H.L.Clark (1). 
Ophiomastix mixta Lütk. H. L. Clark (1). — venosa M’Intosh, Proc. R. Phys. 
Soc. Edinburgh 18, p. 161. 
Ophiomitra cardiomorpha n. sp., Japan, 361—720 Faden, H. L. Clark (1). 
— discyela n. sp., Japan etc., 437 Faden, I. e. — habrotata n. sp., Eastern 
Sea, 95—139 Faden .c.. — mirophylax n. sp. Eastern Sea, 
103—152 Faden, Il. ec. — bythiaspis n. sp., Japan, 943 Faden, 
l. e. — polyacantha n. sp., Eastern Sea, 103 Faden, Il. e. — codono- 
morpha n. Sp., Eastern Sea, 943 Faden, 1. e., acontophora n. sp., Alaska 
ete., 229—1217 Faden, ]. e. 
Ophiomusium cancellatum Lym., laqueatum Lym., lütkeni Lym., lunare Lym. 
lymani Wyv. Th., simplex Lym. H. L. Clark (1). — trychnum n. SP., 
70—578 Faden, Japan etec., 1. e. — jolliensis [sic!] MeCl., 1. e. — multi- 
spinum n. Sp., 877 Faden, Washington, 1. e. 
Ophiomyx australis Lütk., anisacantha n. sp., Japan ete., 83—391 Faden, 
H. L. Clark (1). 
Ophionereis eurybrachiplax n. Sp., Japan, Kalifornien, 27—41 Faden, H. L. 
Clark (1). 
12. Heft 
