enrolled his corps of-light infantry, Mr. Knapp became a member, and with them fought in the battle at Monmouth, in June, 1778. * He was soon afterward chosen a member of the Commander-in-chief's Guard, and served faithfully as a sergeant therein for more than two years.
He left the service in 1782, bearing the approbation of Washington. He is believed to be the only surviving member of that well-disciplined corps of the Revolution, Washington's Life Guard. **
Although feeble in body, I was informed that his mind was
* Many of the muskets which belonged to that corps are now preserved in the Relic Room of the Headquarters at Newburgh. La Fayette purchased them with his own money in France, and presented them to his favorite corps.