RUSSIA MS RIVAL TOTHEHMSE Members of the Duma and War Office Officials Are Involved. BY GEORGE FRASEE. Special Cablo to The Tribune. ST. PETERSBURG. July 2.';. The arrest ar-rest of Baron von Ungcrn-Sternberg promises to develop Into an affair rivaling rival-ing in dramatic Interest the famous Dreyfus Drey-fus affair. That a number of members of the duma will bo involved seems certain, cer-tain, and it may be officials of tho war department may be drawn into the net. Von Ungem-Stcrnberg is a Russian subject sub-ject and Is correspondent of an Austrian newspaper. The formal accusation against him Is that of communicating to Austria a report of a secret sitting of the duma dealing with the new distribution of the Russian array. A printed copy of tho report re-port was found among tho papors seized at his house. As ho Is a Russian subject and an ox-officer, this charge Is undoubtedly un-doubtedly serious. A note book was also round containing entries of small sums rcceivod from various vari-ous members of the Austro-Hungarian embassy, where ho was employed as a translator. One of tho sums was 150 roubles (151, received from Count Span-nncchl. Span-nncchl. It Is inferred that an attempt will be made to trace tho disclosure of the secret report to M. Miliukoff. The witness replied that her husband was personally well acquauitcd with Count Spannocchi und hnd occasionally borrowed money from him and other members of the embassy staff. Ho considered the facts of hnving a secret report In his possession and his pecuniary transactions so little compromising that ho left tho ono on his table and Inscribed details of the others In his note book. Some journals declare that he acted as a secret service agent for Austria and that Count Spannocchi would have to leavo his post. Baron von Ungcrn-S'torn-berg's friends wonder how a secret service serv-ice agent could lack monev.