De Beers Consolidated Mines, Ltd. Nos. 1189-90, in Supreme Court of United States, Oct. term, 1944, De Beers Consolidated Mines, Ltd., Diamond Corporation, Ltd., and Diamond Trading Company, Ltd., v. United States; Societe Internationale Forestiere et Miniere du Congo and Companhia de Diamantes de Angola v. [same], on writs of certiorari to district court for southern district of New York; brief for United States.