Lemherg 159 through Galicia they would encounter the beaten Austrian army drawn up behind the Vistula and the San rivers, their right resting on the Carpathians, their left on the Vistula, their centre on the strong fortress of Przemysl. Meantime their centre would encounter the Austro-Russian Invaders about Lodz west of Warsaw. If they were victorious in Galicia, where their main forces were, and where the bulk of all Austrian military forces opposed them, then all Galicia would be lost to x^ustria, the centre of the Austro-German defence would have to retire, being outflanked, and the German line on the Vistula would also be worth- less once Russia were west of the Vistula with her centre and left. Presuming this success, it would then be possible for Russian forces to advance, the main army in Galicia down the valley of the Oder through Silesia, its flank on the Bohemian mountains, its centre facing Posen, its right resting on the Baltic by Dantzig, and the whole battle line would be within German territory except for such troops as were detached to protect the passes of the mountains to the west through which detachments of the defeated Austrlans might retreat. But if the Austrlans about Przemysl were able to resist the advance of the victorious Russians, then the whole offensive would have to come to a stand- still and wait until enough Russian troops could be brought up to carry this line, which was one of very