Arizona.. Feb. 14, 1912 $216, 639 1,772, 482 2, 153, 000 | 113, 909 | Formed from territory ceded to the United States by Mexico, part by the Treaty of Guadalupe Hidalgo of Feb. 2, 1848, and part by what is known as the "Gadsden Purchase," Dec. 30, 1853. Formed from territory ceded to the United States by Formed from the territory of the Republic of Hawaii, 337,000 District of Columbia.. 756, 510 723,000 69 Formation Established under Art. I, sec. 8, clause 17 of Constitution. Ter- [973] COMMONWEALTH OF PUERTO RICO, THE INSULAR POSSESSIONS, AND TRUST TERRITORY OF THE PACIFIC ISLANDS Commonwealth of Puerto July 25, 1952 2,712, 033 2,951,000 3, 421 44, 198 41,000 362 209 Acquisition Ceded to United States by Spain by Treaty of Paris, Dec. 10, Under the terms of the Isthmian Canal Convention of Nov. Ceded to the United States by Spain by Treaty of Paris, Dec. 10, 132 1 Administered under jurisdiction of the Department of the Interior. By purchase from Denmark, Mar. 3, 1917, for $25,000,000. The Occupied during World War II. Placed under the United Administered under jurisdiction of the Department of the Interior except for the Saipan District, which is under Navy. Total. 65 106 142 186 213 242 232 237 243 293 332 357 391 435 435 435 437 435 435 Indicates representation of new States admitted after the respective decennial census appor tionments. NOTE: The original apportionment of Representatives was established in 1787 by the Constitution. Subsequent apportionments based on the 1st Census through the 6th Census were as follows (number of census, date of act, and ratio of persons per Representative): 1st, Apr. 14, 1792, 33,000; 2d, Jan. 14, 1802, 33,000: 3d, Dec. 21, 1811, 35,000; 4th, Mar. 7, 1822, 40,000; 5th, May 22, 1832, 47,700. 6th, June 25, 1842, 70,680. Apportionment based on the 7th Census (1850) through the 12th Census (1900) was determined by the Vinton method, and for the 13th Census (1910) and 15th Census (1930) the method of major fractions was employed, there being no reapportionment in 1920. Apportionment based on the 16th Census (1940), the 17th Census (1950), and the 18th Census (1960), was determined by the method of equal proportions, a description of which may be found in S. Doc. 304, 76th Cong., 3d sess. GENERAL INDEX NOTE-For detailed items not found in this general index see the following special indexes: Standing Rules of the Senate_ Legislative Reorganization Acts of 1946 and Congressional Budget and Impoundment Con- Jefferson's Manual_ Constitution of the United States. Senators of the United States.. Senate Manual Section 50 55 55.3 188 754 797.5 900 Academies, service, Boards of Visitors to. See Boards of Actions brought against officers of the Senate.. Acts, printing of__ 301 622 Aeronautical and Space Sciences, Committee on. See Com- mittees, standing. Affidavits, employee loyalty. 432 Agriculture, Secretaries of (table) - 959 Agriculture and Forestry, Committee on. See Committees, |