SHENK, J. This is a proceeding in mandamus to compel the respondents, Board of Medical Examiners and its members to cancel the order of the board revoking the petitioner’s license to practice as a drugless practitioner, and to restore or re-issue his license. The petition was filed in the superior court. An alternative writ was issued. The respondents filed an answer and the cause was set down for trial. Upon the trial judgment was entered denying the peremptory writ.The petitioner has appealed from that judgment.