W0LGAS1 IS_Los Angeles, Cal., March 22.— Apronounced reluctance on the part of witnesses for the prosecution to characterize the nine-round battle between Ad Wolgast and George Mem* sic at Vernon last Friday afternoon other than a boxing contest” or “sparring match” marked the beginning of the preliminary hearing here | yesterday afternoon before Justice of the Peace N. Reeve. The defendants are Wolgast, champion of the world; George Memsic, Tom McCarey, promoter of the exhibition, and Referee Charley Eyton. While the witnesses; appear to favor the defendants when they can consistently, Deputy District Attorney Horton stated last night that testimony given by II. M. Walker, J. Davidson. J. A. Sloan, Tom E. Jones,1; Wolgast'» manager, and Carl E. Mc-1 Stay was favorable to the prosecutionON TRIAL