 This is followed by the origin of the Temple of Mars Ultor (545–598), the end of human sacrifice at Rome (603–662), the worship of Mercury (663–692), and the death of Castor and Pollux (693–720).The sixth book begins with a prologue in which the goddesses Juno and Juventas (Hebe) dispute over which goddess the month is named after (1–100).Ovid goes on to relate the story of the affair of Carna, the goddess of hinges, and Janus as well as the story of how Proca was defended from murderous owls by Cranae (101–195).