Physaloptera, [163]

Pig, parasites of, [68], [79], [139], [147], [184]

Pigments, of Polychaeta, [291] f.;

of Gephyrea, [435]

Pike, Trematode of, [62];

Cestode of, [81], [84]

Pilidium larva, [113], [113], [229], [230]

Pionosyllis, [308]

Piscicola, [393], [406]

Pista, [328];