
    No. 567.
    United States v. Parke, Davis & Co.
    
      Solicitor General Rankin, Assistant Attorney General Hansen, Daniel M. Friedman and W. Louise Florencourt for the United States..
    
      Gerhard A. Gesell and Edward S. Reid, Jr. for appellee.
   Appeal from the United States District Court for the District of Columbia.. Probable jurisdiction noted.  