
    No. 73-1701.
    United States v. National Association of Securities Dealers, Inc., et al.
   Appeal from D. C. D. C. [Probable jurisdiction noted, 419 U. S. 822.] Motion of the Solicitor General for additional time to permit the Securities and Exchange Commission to participate in oral argument as amicus curiae in support of appellees granted and 15 minutes allotted for that purpose. Appellant also allotted 15 additional minutes for oral argument.  