The watchful jealousy of the Colchians foresaw and averted the approaching ruin.

Their repentance was accepted at Constantinople by the prudence, rather than clemency, of Justinian; and he commanded Dagisteus, with seven thousand Romans, and one thousand of the Zani, [8511] to expel the Persians from the coast of the Euxine.
[Footnote 83: The sole vestige of Petra subsists in the writings of Procopius and Agathias.

Most of the towns and castles of Lazica may be found by comparing their names and position with the map of Mingrelia, in Lamberti.] [Footnote 84: See the amusing letters of Pietro della Valle, the Roman traveler, (Viaggi, tom.ii.207, 209, 213, 215, 266, 286, 300, tom.

iii.
p.

54, 127.) In the years 1618, 1619, and 1620, he conversed with Shah Abbas, and strongly encouraged a design which might have united Persia and Europe against their common enemy the Turk.] [Footnote 85: See Herodotus, (l.i.c.140, p.