POLYIDUS, soothsayer
POLYNICES, King of Thebes
POLYPHEMUS, giant son of Neptune
POLYXENA, daughter of King Priam of Troy
POMONA, goddess of fruit trees (See VERTUMNUS)
PORREX and FER'REX, sons of Leir, King of Britain
PORTUNUS, Roman name for Palaemon
POSEIDON (Neptune), ruler of the ocean
PRECIPICE, threshold of Helas hall
PRESTER JOHN, a rumored priest or presbyter, a Christian pontiff in Upper Asia, believed in but never found