ἐς τὴν . . Καλυδῶνα . . Πλευρῶνα—‘to the Aeolis that is now (so) called, Calydon and Pleuron,’ i.e. to New Aeolis. We know that the name Aeolis was once confined to the territory of Calydon; but Pleuron had been added to it. Calydon and Pleuron are two of the five cities of Old Aetolia mentioned in the Iliad (The usual rendering ‘to Aeolis which is now called Calydon and Pleuron’ really makes no sense, for Thuc. could not refer so to two cities far more famous in the heroic days than in his own.) ἐς τὰ ταύτῃ χωρία—other parts of Old Aetolia.
Proschium is Pylene.