Ammianus (xvii. 5) transcribes the haughty letter. Themistius (Orat. iv. p. 57, edit. Petav.) takes notice of the silk covering. Idatius and Zonaras mention the journey of the ambassador; and Peter the Patrician (in Excerpt. Legat. p. 28 [ed. Paris; c. 15, p. 131, ed. Bonn]) has informed us of his conciliating behaviour.