Per Curiam.
The petitions for writs of certiorari are granted. In No. 378 the judgment of the Court of Appeals for the Second Circuit is reversed and the case is remanded to the District Court with directions to vacate the order holding the petitioner in contempt and to dismiss the complaint. In Nos. 450 and 494 the judgments of the Court of Appeals for the Second Circuit are reversed and the cases are remanded to the District Court with directions to dismiss the complaints. An affidavit showing good cause is a prerequisite to the initiation of denaturalization proceedings. The affidavit must be filed with the complaint when the proceedings are instituted. United States v. Zueca, 351 U. S. 91, 99-100.