At the second attempt it caught, and he climbed the side, and then in a low voice told Paolo to start.

Presently he heard a slight splash, followed by a gasp.

He hauled away rapidly on the rope, and in a couple of minutes Paolo stood beside him, shivering and gasping.
"Put your doublet on.

Now let us go forward as fast as we can." They climbed the steep slope to the top of the glacis, and then ran down until they were brought to a standstill by another moat.
"This is the one marked in the plan as dividing the fortifications of the town from those of the citadel.

Now we have another swim before us.