Blunt. I. Edmund March, an American hy-drographer, born at Portsmouth, N. H., June 20,1770, died at Sing Sing, N. Y., Jan. 2, 1862. His "American Coast Pilot," describing every port on the coasts of the United States, has proved a useful work to seamen throughout the world. It was commenced by him in 1796, and the 24th edition was published by his son G. W. Blunt of New York in 1869; and it has been translated into most of the European languages. His other nautical works, charts, etc, are numerous, II. Edmund, son of the preceding, born in Newburyport, Mass., Nov. 23,1799, died in Brooklyn, N. Y., Sept. 2, 1866. At the age of 17 he surveyed the harbor of New York; and from that time up to 1833 he was engaged in surveys in the West Indies, Guatemala, and the seacoast of the United States, on his private account. In 1833 he was appointed a first assistant in the U. S. coast survey, in which office he continued till his death. He was also a member of the firm of E. and G. W. Blunt, nautical publishers of New York. Mr. Blunt while on the coast survey advocated and procured the introduction of the Fresnel light in American lighthouses.