of Gordiidae, [166];

of Acanthocephala, [177];

of Chaetognatha, [187];

of Rotifera, etc., [215], [234], [237];

of Archiannelida, [243], [244];

of Polychaeta, [254];

visceral, of Polychaeta, [255];

of Oligochaeta, [353], [374];

of Gephyrea, [416], [431], [437], [440], [445];

of Phoronis, [456];