[Frederic Shonnard & W.W. Spooner (1900)] to find Arnold. While Washington was across the river, Lieutenant-Colonel Jame-son's second messenger, Captain Jerome Hoogland, with the captured papers and a letter written on the 21th by Andre at Salem to Wash-ington, announcing who he was, arrived, and Alexander Hamilton, left at the Robinson house by Washington, opened them as his confi-dential aide. As soon as Washington's boat approached the shore on his return from West Point. Hamilton went toward the dock to meet his chief, whispered a few words to him, and both entered the house and were closeted together. The plot was then revealed. Ham-ilton and Major James McHenry. the aide of Lafayette, were hastily dispatched on horseback by way of Peekskill to Colonel Livingston at Verplanck's Point to head off Arnold in his escape, if possible, but on reaching that officer's post it was found that Arnold's boat had already passed down the river. After dinner Washington took Generals Lafayette and Knox into his confidence, and with choking voice and tears rolling down 474 HISTORY OF WESTCHESTER COUNTY his cheeks revealed to them the dark conspiracy. " Arnold is a traitor and has flown to the British. Whom can we trust now?" wore the words of the great commander.