Some of these were the Baron Viomenil, commanding the Bourbonnais. the oldest regiment of France; the Count de Viomenil, his brother; the Chevalier de Chastelleux; the Count do Custine and the Duke de Lauzun, both of whom fell under the guillotine; Berthier, at the time aide-decamp to Rochambeau and later one of Napoleon's field marshals; and the Count de Fersen, who distinguished himself at Yorktown and during the stormy days of the French Revolution was conspicuous in his devotion to the royal family. R o at c h the am old b ea Odell u's headquarters were mansion then owned by a Mr. Bates; and Washington'sawere mile at Joseph about half from Appleby's, the Dobbs Ferry Road and the same distance from the Sawmill River. The American army at Dobbs Ferry was something less than IIKNFIUL IIKXKV KNOX. 5,000 strong, and the numbers of the French were about the same. On the 8th of -Inly Washington reviewed the two armies. One of the first things done was the erection of a battery at Dobbs Ferry to command the Hudson River. For the first two weeks, however, no general proceedings were attempted. On the evening of the 15th of July there was a spirited engagement with the enemy at Tarrytown, occasioned by an attempt of several British ships of war to capture or destroy American vessels that had come down the river with ordnance and supplies. This affair is known as " the action at Tarrytown," and in commemoration of it a historical tablet was placed on the Tarrytown railroad station, July 15, 1899. The American vessels, of which there were two according to one account, and three or four according to other (and more probable) statements, were descending from West Point, and