This third Russian army had come up from the south-east, supplied by the main Odessa railway through Tarnopol. It was manifestly threatening the right flank of von Auffenberg, and if a guess may be hazarded upon operations on which we have so little detail as yet, and which took place so far from our own standpoint, the error of the Austrian general seems to have consisted in believing that he could maintain himself against this flank attack. If this were the case (and it is the most probable explanation of what followed), the error would have been due to the same cause which affected all Austrian plans in these first days of the war--the mistake as to the rapidity with which Russia would complete her preparations. [Illustration: Sketch 69.] The first outpost actions with the enemy, and even the more vigorous struggles when full contact had been established with this third army arrived thus from the south-east, only led the Austrian commander deeper into his mistaken calculation; for upon the Sunday, August 23rd, a local success was achieved which seems to be magnified by the Austrians into a decisive check administered to the enemy. If this was their view, they were soon to be undeceived. In those very days which saw the greatest peril in the West, the last days of August, during which the Franco-British Allies were falling back from the Sambre, pursued by the numbers we have seen upon an earlier page, the third and the second Russian armies effected their junction, the moment of their first joining hands being apparently that same Monday, the 24th of August, during which Sir John French was falling back upon Maubeuge. By the middle of the ensuing week they had already advanced with a very heavy numerical superiority upon the part of the Russians, which threatened to involve the Austrian second army in disaster. If that went, the first army was at the mercy of the victors upon the south, and with every day that passed the chance of collapse increased. Now, too late (so far as we can judge), the second Austrian army disposed itself for retreat, but that retreat was not allowed to proceed in the orderly fashion which its commander had decided, and in the event part of it turned into a rout, all of it developed into a definite disaster for the enemy, and as conspicuous a success for our ally. That this success was not decisive, as this great war must count decisions, the reader will perceive before its description is concluded; but it set a stamp upon the whole of the war in the East, which months of fighting have not removed but rather accentuated. It delivered the province of Galicia into the hands of Russia, it brought that Power to the Carpathians, it ultimately compelled Germany to decide upon very vigorous action of her own immediately in Poland, and it may therefore be justly said to have changed the face of the war. To this great series of actions, which history will probably know by the name of Lemberg, we will now turn.