Between the Upper Vistula and the Bug fighting continues under the command of Field Marshal von Mackensen. The Russians have been driven by the German troops from the hills of Biclaczkowice, south of Piaski, as far as Krosnoskow, and both these places have been taken by storm. The fire of the Siberian army corps could not ward off defeat. We made more than 1000 prisoners. WARSAW'S EVACUATION _An Associated Press dispatch from London dated July 20 recorded the doubt in the English capital of Warsaw's holding out, as follows:_ The Morning Post's Budapest correspondent reports that the gradual evacuation of Warsaw has been ordered by the Russians. Continued successes of the great Teutonic movement against the Polish capital were indicated in the German official bulletin received from Berlin this morning. This stated that the Russians were retreating along the whole front between the Vistula and the Bug. The bulletin reads: The Germans have occupied Tukum and Windau (Province of Courland). Between the Vistula and the Bug the battle continues with unabated violence. The Austro-Hungarians have forced a crossing of the Wolicza River in the neighborhood of Grabovetz and advanced across the Bug to the north of Sokal, the Russians having during the night retreated along the whole front between the Vistula and the Bug. The Germans captured from July 16 to July 18 16,000 prisoners and twenty-three machine guns. [Illustration: Scene of German operations in Courland] That German columns have occupied Tukum, thirty-eight miles west of Riga, and Doblen eighteen miles west of Mitau, is admitted by an official statement issued at the headquarters of the Russian general staff. The same report admits that the Austrians have gained the right bank of the Volitza and have crossed the Bug River on a front reaching to Sokal. The bulletin says: On the Narew front the night of the 18th the enemy took the offensive, capturing the village of Poredy, on the right bank of the Pissa River. On the left bank of the Skwa enemy attacks against the villages of Vyk and Pchetchniak were repulsed with success. West of the Omulew our troops, retiring progressively toward a bridgehead on the Narew, delivered on the evening of the 17th a rearguard action of a stubborn character near the town of Mahoff. Near the village of Karnevo we made a brilliant counter-attack. In the direction of Lublin enemy attacks during the 18th on the front Wilkolaz-Vychawa (east and north of Krasnik) were successfully repulsed.