discussed Cited "see, e.g." Quinn v. United States (2×) See also Litton v. United States, 8 Cir. 1949, 177 F.2d 416, 417 , certiorari denied, 1950, 339 U.S. 921 , 70 S.Ct. 620 , 94 L.Ed. 1344 : 'This * * * is an appellate court without power or jurisdiction to retry criminal cases, our authority being limited to reviewing alleged errors of law which may have been committed by the trial court.' Compare 62 Stat. 963 (1948), 28 U.S.C.A. § 2106 , with 37 Stat. 565 (1912), as amended, 48 U.S.C.A. § 1356 (1928), repealed by Act of June 25, 1948, 62 Stat. 991 (See 1948 Revised Judicial Code, 28 U.S.C.A. §§ 1291 , 1292, 1294).