Iconium was the principal city of Lycaonia, and Synnada a city of Phrygia. The synod of Iconium referred to here is mentioned also by Firmilian in his epistle to Cyprian, §§7 and 19 (Cypriani Ep. 74, al. 75). From that epistle we learn that the synod was attended by bishops from Phrygia, Cilicia, Galatia, and other countries, and that heretical baptism was entirely rejected by it. Moreover, we learn that Firmilian himself was present at the synod, and that it was held a considerable time before the writing of his epistle. This leads us to place the synod between 230 (on Firmilian’s dates, see above, Bk. VI. chap. 26, note 3) and 240 or 250. Since it took place a considerable time before Firmilian wrote, it can hardly have been held much later than 240. Of the synod of Synnada, we know nothing. It very likely took place about the same time. See Hefele’s Conciliengesch. I. p. 107 sq. Dionysius was undoubtedly correct in appealing to ancient custom for the practice which he supported (see above, chap. 2, note 3).