
    No. 75-782.
    No. 75-827.
    No. 75-5626.
    No. 75-5862.
    Peltzman v. Central Gulf Lines, Inc., Snow et al. v. City of Memphis et al., Lipscomb v. United States, Hoffman v. Georgetown University Hospital Corp.,
   423 U. S. 1074;

423 IJ. S. 1083;

ante, p. 934; and

423 U. S. 1090. Petitions for rehearing denied.  