without crossing the stream of Halys or even stirring from his own hearth: such as the Acheloan If Acheloan is used, as some report, only of fresh water, the poet may have in mind the pile-dwellings of the Paeonians on Lake Prasias (mentioned by Hdt. 5.16 ); if Acheloan includes also salt water, the reference may be to the islands off Thrace—Imbros, Thasos , and Samothrace . cities on the Strymonian sea which is located beside