Tail, of Arenicola, [333];

of Nereis, [246], [248];

regeneration of, [283]

Tanypus, host of Gordius, [172]

Tape-worms, [5], [74]

Taphrocampa, [200], [204], [224]

Tardigrada, affinities, [344]

Telmatodrilus, [378]

Temnocephala, [4], [53], [54], [73]

Temnocephalidae, [53], [73];