Terry Lee Roseboro seeks to appeal the district court’s order referring his 28 U.S.C. § 2241 (2000) petition back to the magistrate judge for further proceedings in light of Roseboro’s recently filed motions. This court may exercise jurisdiction only over final orders, 28 U.S.C. § 1291 (2000), and certain interlocutory and collateral orders. 28 U.S.C. § 1292 (2000); Fed.R.Civ.P. 54(b); Cohen v. Beneficial Indus. Loan Corp., 337 U.S. 541, 69 S.Ct. 1221, 93 L.Ed. 1528 (1949). The order Roseboro seeks to appeal is neither a final order nor an appealable interlocutory or collateral order. Accordingly, we deny leave to proceed in forma pauperis and dismiss the appeal for lack of jurisdiction. We dispense with oral argument because the facts and legal contentions are adequately presented in the materials before the court and argument would not aid the decisional process.

DISMISSED