Paludicella, [492], [494], [501], [502], [505], [518]

Paludicola, [30], [42]

Panthalis, [313]

Paragnaths, [248], [250], [316]

Parapodium, of Nereis, [246], [247];

of Polychaeta, [264] f.;

of Heteronereid, [276], [277];

muscles of, [247];

glands of, [249], [314];

of Myzostoma, [342]