"Aha!" cried Petit-Pierre, recognizing the sound; "we are close to the marsh now."

"Yes," said Bonneville; "and I ought not to conceal from you that this is the most critical moment of our flight."

So saying, the young man took from his pocket a knife, which might, if necessary, be used as a dagger, and cut down a sapling, removing all the branches, but taking care to hide each one as he lopped it off.

"Now," he said, "my poor Petit-Pierre, you must resign yourself and go back to your former place on my shoulders."

Petit-Pierre instantly did as he was told, and Bonneville went forward toward the marsh. His advance under the weight he carried, hindered by the long sapling which he used to test the condition of the ground at every step, was horribly difficult. Often he sank into the slough almost to his knees, and the earth, which seemed soft enough as it gave way under him, offered a positive resistance when he sought to extricate himself. It was, in fact, with the utmost difficulty that he could get his legs out of it; it seemed as though the gulf that opened at their feet was unwilling to relinquish its prey.

"Let me give you some advice, my dear count," said Petit-Pierre.

Bonneville stopped and wiped his brow.

"If, instead of paddling in this mire, you stepped from tuft to tuft of those reeds which are growing here, I think you would find a better foothold."

"Yes," said Bonneville, "I should; but we should leave more visible traces." Then, a moment later, he added, "No matter. You are right; it is best."

And changing his direction a little, Bonneville took to the reeds. The matted roots of the water-plants had, in fact, made little islets of a foot or more in circumference, which gave a fairly good foothold over the boggy ground. The young man felt them, one after the other, with the end of his stick and stepped from each to each.