Poison, of Amphibia, [37], [38];
peculiar use of, [272]
Poison-apparatus, of Heloderma, [540];
of Snakes, [586] f.
Polacanthus, [425]
Polychrus marmoratus, [529]
Polyodontophis, [605] n.
Portschinsky, on parasitic flies, [177] n.
Postpubis, of Dinosaurs, [414], [424], [426]
Pouchet, quoted, [571]