Hypophorella in tubes of, [478], [533]
Lankester, on Trochosphere, [229];
on Earthworms, [347];
on Hirudinea, [397];
on Gephyrea, [430], [437], [439];
on Podaxonia, [461]
Larva, Müller's, [29];
of Polystomum, [59];
of Diplozoon, [60];
of Gyrodactylus, [61];