be used on either side of the bridge. They were to be tied together, and supported at the centre, or place of joining, by long ropes, attached to the apex of the letter "A."
Though up to this time the main attacking party had not been fired on, they could not hope to escape much longer. Already puffs of white smoke from the hillside indicated that they had been seen by pickets. A minute later Dutton's trick was discovered, and Hale ordered his artillery to cease firing on the fake bridge builders, and to turn their attack on the others.
But Dutton was ready for this. He had his field pieces in position, and, as soon as he saw that his soldiers had the bridge well under way, he began shelling the defenders, who were rushing down the hill to the attack. The infantry also began to pour in a withering fire.
The ropes, by which the long spars had been lowered and inclined across the stream, now served as guys to hold them steady and in place, while the floor beams were being put in position.
"Lively!" cried Dutton. "They're making it too hot for us! We must cross soon, or we'll lose! They came at us quicker than I expected!"
Meanwhile the little force that had started to build the fake bridge had (theoretically) been killed.
Now the long floor timbers were in place, being supported at the centre by long ropes, hang-
