The ritualistic requirements of a Stonewall Jackson High School fraternity that make his Initiates gallop about without clothes will be Investigated by police today. Sgt. Frank Riddle said about 25 nude neophytes of the or ganization were rounded up Sunday at 1:30 a. m. by the vice squad of the police depart ment. They were running about in the driveway under the front of the statehouse steps. Police seized a Japanese m other fraternity property. Tid dle said it was not clear what the guns were to be used for, Col. Mazen Fair, superintend ent of the State Police, who lives adjacent to the capitol, saw the afters midnight version of a sunbathers convention and summoned police. Set, Riddle is scheduled to meet with the boys this after noon and decide what to do with them. They are charged with disorderly conduct. Riddle said he understood the fraternity in question does not have school sanction.