Keller v. United States, 213 U.S. 138 (April 5, 1909).

39. Act of March 1, 1907 (34 Stat. 1028).

Provisions authorizing certain Indians "to institute their suits in the Court of Claims to determine the validity of any acts of Congress passed since * * * 1902, insofar as said acts * * * attempt to increase or extend the restrictions upon alienation * * * of allotments of lands of Cherokee citizens * * *," and giving a right of appeal to the Supreme Court, held an attempt to enlarge the judicial power restricted by article III, section 2, to cases and controversies.

Muskrat v. United States and Brown and Gritts v. United States, 219 U.S. 346 (January 23, 1911).

40. Act of May 27, 1908 (35 Stat. 313, sec. 4).

Provision making locally taxable "all land [of Indians of the Five Civilized Tribes] from which restrictions have been or shall be removed," held a violation of the Fifth Amendment, in view of the Atoka Agreement, embodied in the Curtis Act of June 28, 1898, providing tax-exemption for allotted lands while title in original allottee, not exceeding 21 years.

Choate v. Trapp, 224 U.S. 665 (May 13, 1912).

41. Act of August 19, 1911 (37 Stat. 28).

A proviso in section 8 of the Federal Corrupt Practices Act fixing a maximum authorized expenditure by a candidate for Senator "in any campaign for his nomination and election," as applied to a primary election, held not supported by article I, section 4, giving Congress power to regulate the manner of holding elections for Senators and Representatives.