Continental Insurance Company. Nos. 609, 610, in Supreme Court, Oct. term, 1921, Continental Insurance Company and Fidelity-Phenix Fire Insurance Company of New York v. United States, Reading Company, et al.; Seward Prosser, Mortimer N. Buckner, and John H. Mason, as committee representing holders of common stock of Reading Company, v. [same]; appeals from district court for eastern district of Pennsylvania; brief for United States on reargument.