I.) will be read before the New York Historical Society, at their Hall in University Place, this evening (Oct. 7), commencing at 7 o'clock. We have some acquaintance with Mr. Macdonald as a literary gentleman, and know him to have been indefatig-able in his effort to obtain and give the dignity of truth to the revolutionary events which took place in the county of West-chester; and we doubt not his essay will embody the most accurate account of that event offered the American public. We shall, if possible, attend and if it can be obtained, will publish the account at our earliest convenience. The appended quotation is from "Souvenir of the Revolu-tionary Soldiers' Monument Dedication at Tarrytown, N. Y., Oct. 19, 1894" compiled by Marcius D. Raymond and published in 1894, pp. 7-8. "The movement which culminated in the dedication of a monument at this place to the soldiers of the Revolution, had its inception in the desire to honor the memory of the sturdy patriots who by their courage and valor well sustained the cause of liberty and independence on these historic fields,--not only those who were buried in the old Dutch churchyard, but in a larger, broader sense to honor all those brave men who stood for the patriot cause on this, then Philipse Manor, which comprised the present townships of Greenburgh, Mount Pleasant, Ossining and the City of Yonkers, containing eighty square miles of territory, fronting over twenty miles on the Hudson and extending eastwardly to the Bronx. It was entitled one of the military districts of Westchester County, and in it a regiment of militia was organized, with headquarters in the vicinity of Tarrytown, which was then the place of greatest interest on the Manor, the old Dutch Church being here located, and consequently a large number of the soldiers of the Revolution here found their last resting place.