Μηλιεὺς: for the Ionic form, cp. Ph.4 n. Trachis was on a rocky spur under the heights (‘Trachinian Rocks’) which bound the plain of Malis on s. and W.; the distance from the (ancient) coastline of the Malian Gulf was about six miles.
ἅπας: not only the “Τραχίνιοι” (the highlanders of Malis), but the “Παράλιοι” also. As to Malis, cp. Introd. Ph.p. ix.