of Gordius, [166];
of Chaetognatha, [188];
of Rotifera, [215];
of Gastrotricha, [234];
of Kinorhyncha, [238];
of Polychaeta, [255], [272], [314], [337], [339];
of Oligochaeta, [354];
of Leeches, [393], [394], [395];
of Gephyrea, [417];
of Polyzoon larva, [509]