Per Curiam.
The writ of certiorari in this case is dismissed as improvidently granted. See Layne & Bowler Corp. v. Western Well Works, 261 U. S. 387; Estate of Spiegel v. Commissioner of Internal Revenue, 335 U. S. 701, 707-708; General Box Co. v. United States, 351 U. S. 159, 165.