The pretext was the contumacy shown by the Locrian town Amphissa to the rulings of the Amphictyonic Council.
Towards the north, opposite the Locrian territory, the highest peaks are Mts.
In the north the basin of the Cephissus and Lake Copais lies between parallel mountain-walls continuing eastward the line of Parnassus in the extensive ridge of Helicon, the "Mountain of the Muses" (5470 ft.) and the east Locrian range in Mts.
Monteleone is identical with the ancient Hipponium, said to be a Locrian colony and first mentioned in 388 B.C., when its inhabitants were removed to Syracuse by Dionysius.
Viirtheim, De Ajacis Origine, Cultu, Patria (Leiden, 1907), according to whom he and Ajax Oileus, as depicted in epos, were originally one, a Locrian daemon somewhat resembling the giants.