FERNOW, Berthold, author, born in Inowraclaw, province of Posen, Prussia, 28 November 1837. He was the son of Edward Fernow, a royal councilor, and Bertha de Jachman, sister of the vice-admiral of that name. He was educated at the royal gymnasium of Our Lady at Magdeburg, Saxony, and at a similar institution at Bromberg, Posen, in 1858. He then emigrated to the United States, served during the civil war as lieutenant of the 3d U. S. colored troops, and subsequently as topographical engineer. At present he is one of the state library arts keeper of the historical records at Albany, New York, and the editor of the 12th, 13th, and 14th volumes of "Documents Relating to the Colonial History of New York" (Albany, 1877'85); " State Archives" (vol. i., 1887); and " Albany and its Place in the History of the United States" (1887). Mr. Fernow has also contributed to the "Narrative and Critical History of America," and has written many magazine articles on historical subjects.