
    No. 618.
    United States ex rel. McLennan v. Wilbur, Secretary of the Interior; United States ex rel. Simpson v. Wilbur, Secretary of the Interior et al.; United States ex rel. Barton v. Wilbur, Secretary of the Interior; and United States ex rel. Pyron v. Wilbur, Secretary of the Interior, et al.
    No. 676.
    No. 704.
    No. 743.
    March 2, 1931.
    
      Messrs. Lewis Edwin Hoffman and Chester I. Long for McLennan. Messrs. Homer R. Hendricks and Donald V. Hunter for Simpson. Mr. James Conlon for Barton. Messrs. John 
      
      W. Fisher, James G. Leovy, and A. W. Gregg for Pyron. Solicitor General Thacher, Assistant Attorney General Richardson, and Messrs. Aubrey Lawrence, Claude R. Branch, and Paul D. Miller for respondents.
   Petitions for writs of certiorari to the Court of Appeals of the District of Columbia granted.  