along the darkest sides of dark walls and passages, they traversed the town without being challenged, and gained the southern wall near the point at which Mariano had crossed it on a former occasion.
Here the Jew bade them God-speed, and left them.
"I hope thou art sure of the road, Mariano?" said Francisco anxiously.
"Trust me, father; I know it well. Only have a care that you tread lightly and make no noise.—Come."
Leading them to the point on the ramparts where poor Castello's head still stood withering in the night-wind, Mariano bade them remain in shadow while he attached the rope to the spike.
The sentinel could be dimly seen, for there was no moon, pacing to and fro within two hundred yards of them. They watched and lay still while he sauntered towards them, and glided noiselessly and quickly to the rope while his back was turned.
Thus one by one they descended the wall, crossed the ditch, ascended the slope on the other side, without having been observed, and, ere long, were safe among the rocks and fastnesses of the Sahel hills.
