
    No. 75-1490.
    No. 75-6878.
    No. 75-6918.
    No. 76-5023.
    Ziviak, Administrator v. United States, Anderson v. Reed, Penitentiary Superintendent, Tarkowski v. Smart, Boeckenhaupt v. United States,
   ante, p. 801;

ante, p. 850;

ante, p. 852; and

ante, p. 863. Petitions for rehearing denied.  