of Triclads, [37];

of Acoela, [43] f.;

of Rhabdocoela, [45];

of Trematodes, [4], [52], [62];

of Temnocephala, [53];

of Cestoda, [5];

of Nemertinea, [115];

of Nematodes, [131];

of Acanthocephala, [177];

of Chaetognatha, [190];