For Augustine, see De Divinatione Daemonum, chap.

iii (p.585 of Migne, vol.
xl).

For Turtullian and Gregory of Nazianzus, see citations in Sprengel and in Fort, p.6.For St.Nilus, see his life, in the Bollandise Acta Sanctorum.

For Gregory of Tours, see his Historia Francorum, lib.

v, cap.