All of the author's American ancestors, both paternal and ma ternal, from their origin in this country, through six or seven generations, were natives or early settlers of Middlesex County, Massachusetts. While collecting materials for the History of Concord and the adjoining towns — the central section of that county — which was published in 1835, he met with many facts, incidents, and traditions, relating to the personal history of these ancestors; and from those materials a brief, imperfect Sketch.