of the Irkut and the Angara, on the right bank of the latter river. Two wooden draw-bridges, built on piles, connected the town with its suburbs on the left bank. On this side, defence was easy. The suburbs were abandoned, the bridges destroyed. The Angara being here very wide, it would not be possible to pass it under the fire of the besieged.
But the river might be crossed both above and below the town, and consequently, Irkutsk ran a risk of being attacked on its east side, on which there was no wall to protect it.
The whole population were immediately set to work on the fortifications. They labored day and night. The Grand Duke observed with satisfaction the zeal exhibited by the people in the work, whom ere long he would find equally courageous in the defense. Soldiers, merchants, exiles, peasants, all devoted themselves to the common safety. A week before the Tartars appeared on the Angara, earth-works had been raised. A fosse, flooded by the waters of the Angara, was dug between the scarp and counterscarp. The town could not now be taken by a coup de main. It must be invested and besieged.
The third Tartar column—the one which came up the valley of the Yeniseï on the 24th of September—appeared in sight of Irkutsk. It immediately occupied the deserted suburbs, every building in which had been destroyed so as not to impede the fire of the Grand Duke's guns, unfortunately but few in number and of small caliber. The Tartar troops as they arrived organized a camp on the bank of the Angara, whilst waiting the arrival of the two other columns, commanded by the Emir and his allies.
The junction of these different bodies was effected on the 25th of September, in the Angara camp, and the whole of the invading army, except the garrisons left in the principal conquered towns, was concentrated under the command of Feofar-Khan.
The passage of the Angara in front of Irkutsk having been regarded by Ogareff as impracticable, a strong body of troops crossed, several versts up the river, by means of bridges formed with boats. The Grand Duke did not attempt to oppose the enemy in their passage. He could only impede, not prevent it, having no field-artillery at his disposal, and he therefore remained in Irkutsk.
The Tartars now occupied the right bank of the river;
