13. JACOB COLLAMER.--Born at Troy, N. Y., about 1790, and removed in childhood to Burlington, Vt., with his father. Graduated at the State University at that place in 1810. Served during the year 1812, a frontier campaign, as a lieutenant, in the service of the United States. Admitted to the Bar in 1813. Practised law for twenty years, serving frequently in the State Legislature. In 1833 he was elected an Associate Justice of the Supreme Court of the State, from which position he voluntarily retired in 1842. In the course of that period, he was also a member of a convention held to revise the Constitution of the State. In 1843 elected to Congress to fill a vacancy, and re-elected for a full term, in 1844, and again in 1846. Appointed Post Master General March 7th, 1849. In 1850 he was again elected a Justice of the Supreme Court of Vermont; and in 1854 he was chosen United States Senator, which office he now holds. 14. NATHAN KELSEY HALL.--Born at Skaneateles, N. Y., March 28th, 1810. Removed to Aurora in the same State in 1826, and commenced the study of the law with Millard Fillmore. Removed with the latter to Buffalo in 1830. Admitted to the Bar in 1832. Appointed First Judge of the Court of Common Pleas in 1841. In 1845 elected a member of the State Legislature, and in 1846 a member of Congress. He was appointed Post Master General July 20, 1850; and, in 1852, United States Judge for the Northern District of New York, which office he now holds. 15. SAMUEL DICKINSON HUBBARD.--Born at Middletown, Ct., August 10, 1799. Graduated at Yale College in 1819. He was admitted to the Bar in 1822, but subsequently engaged in manufacturing enterprises. He was Mayor of the city of Middletown, and held other offices of local trust. In 1845 he was elected a member of Congress, and re-elected in 1847. He was appointed Post Master General September 14, 1852. Died at Middletown October 8, 1855. 16. JAMES CAMPBELL, the present Post Master General of the United States, was born September 1, 1813, in the city of Philadelphia, Pa. Admitted to the Bar in 1834, at the age of twenty-one years. In 1841, at the age of twenty-eight, he was appointed Judge of the Common Pleas Court for the City and County of Philadelphia, which position he occupied for the term of nine years. In 1851, when the Constitution of the State was changed, making the Judiciary elective, he was nominated by a State Convention of his party as a candidate for the Bench of the Supreme Court of the State, but was defeated after a warmly contested and somewhat peculiar contest, receiving however 176,000 votes. In January, 1852, he was appointed Attorney General of Pennsylvania, which he resigned to assume the duties of Post Master General. He was appointed to that office on the 8th of March, 1853. INTRODUCTION.