Be not surprised at reading that there is in the United States, one enemy more formidable than famine, pestilence and the sword—a prevailing corruption in American hearts, a depravity more incompatible with their republican governments than darkness with light. Such languor and supineness reigns every where, that they seem unable to effect any point, though ever so important and interesting. In the military department, it looks as if all public spirit was sunk into the means of making money by the service, or quarrelling upon the most trivial points of rank. Did you know the pullings and haulings, the jealousies and emulations of the military and other gentlemen, which come before congress, you would be greatly confirmed in your ideas of the sameness of human nature in Britain, here, and every where. [April 8.] Congress concluded upon the erection of a monument to the memory of gen. Warren, in the town of Boston; and another to the memory of gen. Mercer, in Fredericksburgh in Virginia; and that the eldest son of gen. Warren, and the youngest son of gen. Mercer, be educated from henceforward at the expence of the United States. They conveyed in a few words the highest eulogium on the characters and merits of the deceased. As Mercer had a good landed estate, the propriety of adopting his youngest as the child of the public was obvious.—Through inattention, gen. Warren, who fell on Breed’s Hill, had not been properly noted when congress passed their resolve respecting gen. Montgomery the prososal for paying due respect to the memory of Mercer, led to the like in regard to Warren.