
    No. 343.
    United States v. An Article of Drug . . . Bacto-Unidisk. . . .
    
      Solicitor General Griswold, Assistant Attorney General Vinson, Lawrence G. Wallace, Beatrice Rosenberg, and William W. Goodrich for the United States.
    
      Edward Brown Williams for respondent (Difco Laboratories, Inc., real party in interest).
   C. A. 6th Cir. Certiorari granted.  