Tbis is an appeal from an order of tbe Corporation Commission of tbis state granting to tbe defendant in error Gay permission to operate a bus line. The plaintiff in error was the objector before the Corporation Commission.

Plaintiff in error in due time served and filed its brief in full compliance with the rules of this court, but the defendants in error have wholly failed to file any brief or to otherwise appear in this cause in this court, nor have they offered any excuse for their failure to do so.

“Where plaintiff in error has served and filed its brief in compliance with the rules of this court, and the defendant in error has neither filed a brief nor offered any excuse for his failure to do so, this court is not required to search the record to find some theory upon which the judgment of the trial court may be sustained, but may, where the authorities cited in the brief filed, appear reasonably to sustain the assigns ments of error, reverse the cause, with directions, in accordance with the prayer of the petition in error.” City National Bank v. Coatney, 122 Okla. 233, 253 Pac. 481; Chicago, R. I. & P. Ry. Co. v. Weaver, 67 Okla. 293, 171 Pac. 34; Lawton National Bank v. Ulrich, 81 Okla. 159, 197 Pac. 167.

In this case the petition in error prays that the said order of the Corporation Commission he vacated, set aside, and held for naught, and we find, upon examination of the authorities cited by plaintiff in error, they reasonably support the contention of plaintiff in error. We therefore reverse the judgment of the Corporation 'Commission and direct that it vacate and set aside its former oMer in this cause.