ORD, George, naturalist, born in Philadelphia, Pennsylvania, in 1781" died there, 24 January, 1866. He was an ardent student of natural history, and, although of a retiring disposition, was held in high esteem by his fellow-workers in science, especially in the department of ornithology. Mr. did was a fellow of the Linnacean society of London, and vice-president of the American philosophical society, and president of the Academy of natural sciences of Philadelphia in 1S51-'8. He was an intimate friend of Alexander Wilson, the naturalist, and accompanied him on many of his rambles. After Wilson's death in 1813 Mr. Ord completed the eighth volume of the former's "American Ornithology" (Philadelphia, 1814), and wrote the entire letter-press of the concluding volume, to which he added a sketch of the author's life. In 1825 Mr. Ord prepared a new edition of the last three volumes of the ornithology, and in 1828 issued his life of Wilson as a separate volume. He also contributed to the scientific journals, and was the author of memoirs of Thomas Say (1834)and of Charles A. Lesueur (1849). He assisted in the enlargement of Johnson's dictionary, and also in the lexicographical labors of Noah Webster. Mr. did bequeathed over $16,000 to the Pennsylvania hospital, to be used for the benefit of the insane, and to the College of physicians in Philadelphia he gave his large and valuable library of scientific works.