Asellus, Rotifers attached to, [227]

Asexual reproduction, in Triclads, [40];

in Rhabdocoels, [44];

in Cestodes, [80];

in Trichoplax and Salinella, [96];

in Polychaeta, [278] f., [279], [280], [282], [340];

in Oligochaeta, [374], [375], [377];

in Polyzoa, [496], [514]

Aspidobothridae, [73]

Aspidocotyle, [73]