
    No. 76-6593.
    No. 76-6939.
    No. 76-6967.
    No. 77-5053.
    No. 77-5283.
    Clark v. United States, Guzman v. Jones et al., Shaw et al. v. Merritt-Chapman & Scott Corp. et al., Shaw v. Thompson, Warden, Theriault et al. v. Silber et al.,
   ante, p. 839;

ante, p. 813;

ante, p. 852;

ante, p. 864; and

ante, p. 871. Petitions for rehearing denied.  