Their united attack had quite silenced the fort, and they anticipated an easy victory.  Springing on to a projecting ledge just outside one of the loopholes, Jim's head was already above the level of the summit, and his outstretched arm was within a foot of the flagstaff, when something hurtled through the air, and, to Jim's intense astonishment, a coil of rope fell heavily over his shoulders, and slipped to his waist.