An instant was enough to satisfy the keen chief of the true state of the case. The calm composed mien of the officers, not one of whom had even attempted to quit his seat, amid the din by which his ears were so alarmingly assailed,--the triumphant, yet dignified, and even severe expression of the governor's countenance; and, above all, the unexpected presence of the prepared soldiery,--all these at once assured him of the discovery of his treachery, and the danger that awaited him. The necessity for an immediate attempt to join his warriors without, was now obvious to the Ottawa; and scarcely had he conceived the idea before it was sought to be executed. In a single spring he gained the door of the mess-room, and, followed eagerly and tumultuously by the other chiefs, to whose departure no opposition was offered, in the next moment stood on the steps of the piazza that ran along the front of the building whence he had issued. The surprise of the Indians on reaching this point, was now too powerful to be dissembled; and, incapable either of advancing or receding, they remained gazing on the scene before them with an air of mingled stupefaction, rage, and alarm. Scarcely ten minutes had elapsed since they had proudly strode through the naked area of the fort; and yet, even in that short space of time, its appearance had been entirely changed. Not a part was there now of the surrounding buildings that was not redolent with human life, and hostile preparation. Through every window of the officers' low rooms, was to be seen the dark and frowning muzzle of a field-piece, bearing upon the gateway; and behind these were artillerymen, holding their lighted matches, supported again by files of bayonets, that glittered in their rear. In the block-houses the same formidable array of field-pieces and muskets was visible; while from the four angles of the square, as many heavy guns, that had been artfully masked at the entrance of the chiefs, seemed ready to sweep away every thing that should come before them. The guard-room near the gate presented the same hostile front. The doors of this, as well as of the other buildings, had been firmly secured within; but from every window affording cover to the troops, gleamed a line of bayonets rising above the threatening field-pieces, pointed, at a distance of little more than twelve feet, directly upon the gateway. In addition to his musket, each man of the guard moreover held a hand grenade, provided with a short fuze that could be ignited in a moment from the matches of the gunners, and with immediate effect. The soldiers in the block-houses were similarly provided.