2.

And, moreover, to our beloved co-presbyters Dionysius and Philemon, who before agreed with Stephen, and had written to me about the same matters, I wrote previously in few words, but now I have written again more at length.

In the same letter, says Eusebius, ¹ he informs Xystus ² of the Sabellian heretics, that they were gaining ground at that time, in these words:--