The first stage, we have already said, was from the Wolga to the Jaik; the distance about three hundred miles; the time allowed seven days. For the first week, therefore, the rate of marching averaged about forty-three English miles a day. The weather was cold, but bracing; and, at a more moderate pace, this part of the journey might have been accomplished without much distress by a people as hardy as the Kalmucks: as it was, the cattle suffered greatly from overdriving: milk began to fail even for the children: the sheep perished by wholesale: and the children themselves were saved only by the innumerable camels. The Cossacks, who dwelt upon the banks of the Jaik, were the first among the subjects of Russia to come into collision with the Kalmucks. Great was their surprise at the suddenness of the irruption, and great also their consternation: for, according to their settled custom, by far the greater part of their number was absent during the winter months at the fisheries upon the Caspian. Some who were liable to surprise at the most exposed points, fled in crowds to the fortress of Koulagina, which was immediately invested, and summoned by Oubacha. He had, however, in his train only a few light pieces of artillery; and the Russian commandant at Koulagina, being aware of the hurried circumstances in which the Khan was placed, and that he stood upon the very edge, as it were, of a renewed flight, felt encouraged by these considerations to a more obstinate resistance than might else have been advisable, with an enemy so little disposed to observe the usages of civilized warfare. The period of his anxiety was not long: on the fifth day of the siege, he descried from the walls a succession of Tartar couriers, mounted upon fleet Bactrian camels, crossing the vast plains around the fortress at a furious pace, and riding into the Kalmuck encampment at various points. Great agitation appeared immediately to follow; orders were soon after despatched in all directions: and it became speedily known that upon a distant flank of the Kalmuck movement a bloody and exterminating battle had been fought the day before, in which one entire tribe of the Khan's dependents, numbering not less than nine thousand fighting men, had perished to the last man. This was the _ouloss_, or clan, called _Feka-Zechorr_, between whom and the Cossacks there was a feud of ancient standing. In selecting, therefore, the points of attack, on occasion of the present hasty inroad, the Cossack chiefs were naturally eager so to direct their efforts as to combine with the service of the Empress some gratification to their own party hatreds; more especially as the present was likely to be their final opportunity for revenge if the Kalmuck evasion should prosper. Having, therefore, concentrated as large a body of Cossack cavalry as circumstances allowed, they attacked the hostile _ouloss_ with a precipitation which denied to it all