The courts which have been described in this chapter, the Supreme Court being one of them, constitute all the courts which exercise the judicial power of the federal government, as specifically prescribed in the constitution. But in the exercise of the authority vested in Congress, either expressly or by implication, in other portions of the constitution, Congress has created other judicial tribunals. Under the power to legislate for the District of Columbia, it has provided a system of courts for that district. Under the authority to make rules and regulations for the government of territory of the United States, outside of the limits of any state, it has provided for territorial courts. Under authority derived by certain treaties with Turkey, China, and some other non-Christian nations, it has given jurisdiction to consuls of the United States in those countries to try citizens of the United States for offences committed there, and also to determine civil suits to which citizens of the United States are parties. (See Ross v. McIntyre.) And under the authority to provide for the payment of claims against the United States, it has created a court of claims, in which claimants may have an adjudication as to the justice and legality of their demands. (See above, § 149.)