Plague, (See Pestilence)

Planetoids, [2]

Planets, [2]

Plant lice, [13]

Plants, [22], [23], [36]

Platea, battle of, [136], [430]

Plato, [140], [142], [144], [170], [370- 71]

Platypus, duck-billed, [34]

Plebeians, Roman, [176], [177], [187-88]

Plesiosaurs, [29], [30], [36]