1. An appeal or a writ of error from a Circuit Court or a District Court, direct to this court, in the cases provided for in sections 5 and 6 of the act entitled "An act to establish Circuit Courts of Appeals, and to define and regulate in certain cases the jurisdiction of the courts of the United States, and for other purposes," approved March 3, 1891, may be allowed, in term time or in vacation, by any justice of this court, or by any circuit judge within his circuit, or by any district judge within his district, and the proper security be taken and the citation signed by him, and he may also grant a supersedeas and stay of execution or of proceedings, pending such writ of error or appeal.

2. Where such writ of error is allowed in the case of a conviction of an infamous crime, or in any other criminal case in which it will lie under said sections 5 and 6, the Circuit Court or District Court, or any justice or judge thereof, shall have power, after the citation is served, to admit the accused to bail in such amount as may be fixed.