prostomium, [259];

tentacles, [263];

eyes, [272];

food, [296]

Cryptodrilidae, [357], [362], [373], [382]

Cryptodrilus, [372], [382] f.

Ctenodrilus, [373]

Ctenophores, as hosts, [298]

Ctenostomata, [470], [477], [479], [480], [518], [532];

occurrence, [478];