of Gordius, [171];

of Acanthocephala, [179];

of Chaetognatha, [189];

of Rotifera, [200], [216] f.;

of Gastrotricha, [234];

of Nereis, [256];

of Polychaeta, [274], [275];

of Phyllodocids, [314];

of Scoloplos, [321];

of Myzostoma, [343];