Little Ringed, [273];

Norfolk, [297];

Ringed, [273], [273], [295]

Plumae, [2]

Plumule, [2]

Pluvianellus sociabilis, [276]

Pluvianus, [293];

P. aegyptius, [295]

Pneumaticity, of Chauna, [109];

of Sula, [72]