eggs, [275]

Prouho, on Polyzoa, [489], [507] f.

Provisional chaetae, [274]

Provortex, British species, [50]

Proxenetes, [44];

British species, [49]

Pruvot, on Polychaeta, [261]

Psamathe, [300], [308]

Psammolyce, [313];

elytra, [294], [313]