 But the unquestionably Calvinist work of Joachim Cureus, "Exegesis perspicua de sacra cœna" (1574), and a confidential letter of Johann Stössel which fell into the elector's hands opened his eyes.The heads of the Philippist party were imprisoned and roughly handled, and the Torgau Confession of 1574 completed their downfall.By the adoption of the Formula of Concord their cause was ruined in all the territories which accepted it, although in some others it survived under the aspect of a modified Lutheranism, as in Nuremberg, or, as in Nassau, Hesse, Anhalt, and Bremen, where it became more or less definitely identified with Calvinism.