The army under General von Mackensen in the course of its pursuit of the Russians reached yesterday the neighborhood of Subiecko, on the lower Wisloka, and Kolbuezowa, northeast of Debica.  Under the pressure of this advance the Russians also retreated from their positions north of the Vistula.  In this section the troops under General von Woyrech, closely following the enemy, penetrated as far as the region northwest of Kielce.

In the Carpathians Austro-Hungarian and German troops under General von Linsingen conquered the hills east of the upper Stryi and took 3,650 men prisoners, as well as capturing six machine guns.

At the present moment, while the armies under General von Mackensen are approaching the Przemysl fortress and the lower San, it is possible to form an approximate idea of the booty taken.  In the battles of Tarnow and Gorlice, and in the battles during the pursuit of these armies, we have so far taken 103,500 Russian prisoners, 69 cannon, and 255 machine guns.  In these figures the booty taken by the allied troops fighting in the Carpathians and north of the Vistula is not included.  This amounts to a further 40,000 prisoners.

Mr. Rockefeller and Serbia

[Special Cable to THE NEW YORK TIMES.]

LONDON, Thursday, May 13.—­A Paris dispatch to the Exchange Telegraph Company, quoting the Cri de Paris, says: 

“John D. Rockefeller has just sent 35,000,000 francs ($5,000,000) to Prince Alexis of Serbia, President of the Serbian Red Cross Society.

“Prince Alexis married last year an American woman, Mrs. Hugo Pratt, whose father loaned years ago L2,000 to Rockefeller when the oil king started in business.”

Italy in the War

Her Move Against Austro-Hungary

Last Phase of Italian Neutrality and Causes of the Struggle

DECLARATION OF WAR.

[By The Associated Press.]

VIENNA, May 23, (via Amsterdam and London, May 24.)—­The Duke of Avarna, Italian Ambassador to Austria, presented this afternoon to Baron von Burian, the Austro-Hungarian Foreign Minister, the following declaration of war:

Vienna, May 23, 1915.

Conformably with the order of his Majesty the King, his august sovereign, the undersigned Ambassador of Italy has the honor to deliver to his Excellency, the Foreign Minister of Austria-Hungary, the following communication: 

“Declaration has been made, as from the fourth of this month, to the Imperial and Royal Government of the grave motives for which Italy, confident in her good right, proclaimed annulled and henceforth without effect her treaty of alliance with Austria-Hungary, which was violated by the Imperial and Royal Government, and resumed her liberty of action in this respect.

“The Government of the King, firmly resolved to provide by all means at its disposal for safeguarding Italian rights and interests, cannot fail in its duty to take against every existing and future menace measures which events impose upon it for the fulfillment of national aspirations.