Virtu Takes a Dack Seat .Donver. Colo. pisMct Judgo John I. Mulllns In tho criminal division of the district court on Friday discharged the grand Jury summoned by special elisors for tho purposo of Investigating Investigat-ing alleged, frauds In tho voto on corporation cor-poration franchises, at tho clfy efoq-tlon efoq-tlon May iC, and. yarlQUs- .clty nnd county offices. The dismissal of tho Jurors was necessitated by tho super iiodeas granted by Chief Justlco William Wil-liam H. Gabbort of tho wipr6mo court forbidding Judgo Mnllna to suporsede 'tho sheriff, and, call a grand Jury through elisors.