brings news of French army and fleet, 274;
tries to get De Rochambeau to attack New York, 280;
accompanies Washington to meet De Rochambeau, 283;
told by Washington of Arnold's treachery, 285;
on court to try André, 287;
opinion of Continental soldiers, 293;
harasses Cornwallis, 307;
defeated at Green Springs, 307;
watches Cornwallis at Yorktown, 308;
reinforced by De Grasse, 312;