Pennsylvania Power and Light Company. Nos. 25 and 26, in Supreme Court, Oct. term, 1924, United States, Interstate Commerce Commission, and Pennsylvania Power & Light Company v. Hubbard, Ohio; United States, Steubenville, East Liverpool & Beaver Valley Traction Company, and Interstate Commerce Commission v. Wellsville, Ohio, appeals from district court for northern district of Ohio; supplemental brief for United States.