
    No. 392.
    Head, doing business as Lea County Publishing Co., et al. v. New Mexico Board of Examiners in Optometry.
   Appeal from the Supreme Court of New Mexico. (Probable jurisdiction noted, 371 U. S. 900.) The motion of Solicitor General Cox, on behalf of the United States, for leave to participate in the oral argument is granted and thirty minutes are allotted for that purpose. Counsel for the appellee is allotted an additional thirty minutes to argue this case.  