fossil, [301] f.

Nereilepas, [317]

Nereis, [246], [299], [301], [316] f.;

anatomy, [245] f., [247] f.;

transverse section, [247];

parapodium, [246], [247], [265], [317];

chaetae, [246];

head, [246], [248], [316];

alimentary canal, [249] f., [251];

jaws, [248], [250], [270], [316];