‘The issues surrounding Orestes’ purification are some of the most difficult in all of Aeschylus’ wrote A. L. Brown in 1982. Despite the appearance since then of an overall treatment of pollution and three editions of the play, there continue to be disagreements about the matter. In this paper I suggest that we may be better able to understand the treatment of purification if we focus on the importance of Orestes’ pollution to the particular version of the story constructed in (...) Eumenides. (shrink)