
    No. 269,
    Mise.
    United States v. National City Lines, Inc. et al.
    
      George T. Washington, then Acting Solicitor General, for the United States.
    
      Marland Gale, C. Frank Reavis and Martin D. Jacobs for respondents.
   This case is assigned for hearing on the motion for leave to file petition for writ of certiorari.  