A strong argument against the genuineness of this letter is the silence of Gregory of Nazianzus as to this demand on Basil (Or. v. 39).  For Julian’s treatment of Cæsarea, vide Sozomen v. 4.  Maran (Vita S. Bas. viii.) remarks that when Julian approached Cæsarea Basil was in his Pontic retreat.  On the punning conclusion, vide note on Letter xli.  (ἃ ἀνέγνων ἔγνων καὶ κατέγνων.)