Book 23
3.4
After these matters were thus arranged, just as Julian was busy with the army and in getting supplies of every kind, it was reported to him by scouts who arrived in breathless haste, that some bands of the enemy’s horsemen had suddenly broken through a part of the neighbouring frontier and carried off booty.
3.5
Startled by this cruel disaster, Julian (as he had previously planned) instantly put 30,000 picked men under the command of the aforesaid Procopius, and joined to him with equal powers Sebastianus, formerly a military commander in Egypt, and now a count, with orders to keep for the present on this side of the Tigris and to watch carefully everywhere and see that nothing unexpected should happen on the unprotected side, such as he had heard had often occurred. And he gave the order that (if it could be done to greater advantage) they should join King Arsaces, march with him through CordueneCf. xviii. 6, 20; modern Turkestan. and Moxoëne,In Armenia. lay waste in passing by Chiliocomum, a fruitful region of Media,It was really in Assyria. and other places, and meet him while he was still in Assyria, so as to aid him in cases of necessity.