Pleurosaurus, [294]

Pleurosternum, [390]

Plioplatecarpus, [489]

Pliosauridae, [477]

Pliosaurus grandis, [477]

Plover, Egyptian, and Crocodile, [462]

Podocnemis, [390], [391];

P. expansa, [391] f.;

Bates, on habits of, [392] f.

Poikilothermous, defined, [67]