112. The chronological diffficultics which perplex the
residence of Athanasius at Rome are strenuously agitated by
Valesius (Observat. ad Calcem, tom. ii.; Hist. Eccles. 1. i.
c. 1-5) and Tillemont (Mem. Eccles. tom. viii. p. 674,
etc.). I have followed the simple hypothesis of Valesius,
who allows only one journey after the intrusion of Gregory.