of Didymozoon, [71];

of Calliobothrium, [75];

of Taenia, [79];

of Schistocephalus, [86];

in Bothriidae, [87];

of Rotifers, [216]

Vagina, of Leptoplana, [16];

in ectoparasitic Trematodes, [57] f.;

in Cestodes, [86], [87]

Vaillant, on Hirudinea, [392], [405]