nervous system, [488];
genital organs, [489]
Ophiura (Ophioglypha), [496];
O. albida, [497];
Ophiuroidea (Brittle Stars), [431], [477] f., [561];
mesenchyme of larva, [604];
development of, [606], [606], [608], [613];
phylogeny, [622]
nervous system, [488];
genital organs, [489]
Ophiura (Ophioglypha), [496];
O. albida, [497];
Ophiuroidea (Brittle Stars), [431], [477] f., [561];
mesenchyme of larva, [604];
development of, [606], [606], [608], [613];
phylogeny, [622]