 The end of the book talks about the festival of Concordia (637–650), the movable Sementivae with a prayer for agricultural productivity (655–704), and the feast of the Ara Pacis (709–724).Ovid opens book 2 with an etymological derivation of February from "februa" (instruments of purification) (1–54).He continues relating several shorter narratives, including the stories of Arion and the dolphin (79–118), Augustus' assumption of the title "pater patriae" (119-148), the myth of Callisto (153–192), the fall of the Fabii at the battle of the Cremera (193–242), and the fable of the constellations of the Raven, Snake, and Crater (243–266).