Death, Gate of, in Byzantium, I. xxiv. 52

Diocletian, Roman emperor, readjusts the Roman boundary in Aegypt,
    I. xix. 29 ff.; builds the fortress of Philae, I. xix. 34, 35

Diogenes, a guardsman, commander of cavalry, II. xxi. 2, 18, 20

Domentiolus commands a detachment of an army to invade Persia,
    II. xxiv. 15

Dorotheus, a Roman commander at the battle of Daras, I. xiii. 21

Dorotheus, general of Armenia, attacks invading Persian army,
   I. xv. 3 ff.; makes a sally from Satala upon the Persian army, I. xv. 11 ff.

Doubios, district in Persarmenia, II. xxv. 1, 2; its trade with India, II. xxv. 3; distance from Theodosiopolis, II. xxv. 1;
 Mermeroes stops there with his army II. xxx. 33; priest of, called Catholicos, II. xxv. 4; sent to urge the Romans to make peace, II. xxiv. 6, 7

Easter, its especial observance by the Christians, I. xviii. 15

Edessa, the centre of so-called Osroene, I. xvii. 24; in Mesopotamia, II. xxiv. 4;
 Augustus promises to build a hippodrome in the city, II. xii. 18; the story of its toparch Augarus, II. xii. 8 ff.; citizens of, convinced that the city could not be captured by barbarians,
    II. xii. 7, 26, 30; the letter of Christ to Augarus inscribed on the city wall, II. xii. 26; given over to the Persians by the son of Augarus, II. xii. 28; citizens of, destroy the Persian guards and give back the city to the
    Romans, II. xii. 29; citizens pay Chosroes two centenaria, II. xii. 34; their zeal to ransom the captives of Antioch frustrated by Bouzes,
    II. xiii. 3 ff.;
 Cabades desirous of capturing the city, II. xii. 6, 7, 31, xiii. 8; abandons his purpose upon reaching it, II. xiii. 9 ff.; attacked by Chosroes, II. xxvi. 5 ff.; the home of Sergius, II. xxiv. 4

Eirenaeus, Roman general, sent to Lazica, I. xii. 14

Elephantina, city in Aegypt, on the Roman boundary, I. xix. 27; near Philae, I. xix. 34, 35

Endielon, place near Amida, I. vii. 5

Ephraemius, chief priest of Antioch, accused of treason by
 Julian, II. vii. 16; retires to Cilicia, II. vii. 17

Ephthalitae Huns, called White Huns, their manners and customs,
    I. iii. 1, 2; wage war with Perozes, I. iii. 1 ff.; entrap the Persian army, I. iii. 8 ff.; in a second war with Perozes completely destroy his army, I. iv. 1 ff.; force the Persians to pay tribute, I. iv. 35; receive Cabades after his escape from the Prison of Oblivion, I. vi. 10;
 Cabades owes their king money, I. vii. 1, 2; punished for impiety towards Jacobus, the hermit, I. vii. 8; eight hundred Eph. killed by the Persians, I. viii. 13

Eruli, accustomed to fight without protective armour except a shield,
    II. xxv. 27, 28; in the Roman army, II. xxi. 4; in the Roman army at the battle of Daras, I. xiii. 19, xiv. 33, 39; under Mundus, I. xxiv. 41; in the army of Valerianus, II. xxiv. 12; with the army of Martinus, II. xxiv. 14; follow Peter into Persia, II. xxiv. 18; in the battle of Anglon, II. xxv. 20 ff.