Grassi, on Cestoda, [80] n., [89];

on Chaetognatha, [190], [193]

Grater, of Eunicidae, [270]

Greef, on Echiuroidea, [441], [444]

Gregarines, in Polychaeta, [299];

in Gephyrea, [444]

Gregory, on Polyzoa, [519], [520]

Grinder, of Eunicidae, [270]

Grube, on Oligochaeta, [347], [352];

on Hirudinea, [395]