“ By the act of June 10, 1896, chap. 398 (29 Stat. at L. 321, 339) , Congress authorized a commission to the five civilized tribes of Indians, commonly called the Dawes commission, to hear and determine the rights of persons claiming citizenship in any of those nations, with an appeal to the United States courts in the territory. The petitioner applied to the commission, and, his application being rejected, appealed to the United States court, and there, on March 8, 1898, got a decree in his favor, declaring him to be a member of the Chickasaw Nation. ”

“ It is unnecessary to state the objections to the law more in detail, because we are of opinion that the writ must be denied irrespective of these questions. We need not consider whether the jurisdiction of this court to grant a writ of prohibition to the district courts is confined to cases where those courts are 'proceeding as courts of admiralty and maritime jurisdiction.' Rev. ”