The order came too late, for as in obedience to order after order, the sloop’s course was altered and her sails began to shiver, there was a preliminary shock as if bottom had been lightly touched, then a shiver which seemed to communicate itself upward from the deck through Murray’s spine, and the next minute the Seafowl heeled over slightly as she seemed to cut her way onward into the soft mud, where she stuck fast with the fierce current into which they had run pressing hardly against her side as it raced swiftly by.

“Trapped!” said a voice from close to Murray’s ear, and the young man turned swiftly from where he had been gazing over the side in the direction of the further shore, to encounter the first lieutenant’s angry eyes. “Well, Mr Murray,” he said bitterly, “where is that Yankee snake?”

“Just gliding in yonder among the trees, sir,” cried the young man passionately. “I suspected him from the first.”

“Well, Mr Anderson,” said the captain, hurrying up, and as coolly as if nothing whatever was wrong, “either you or I have placed the sloop in about as unpleasant a position as it was possible to get. Now then, how about getting out of it?”

“We’re on soft mud, sir,” said the gentleman addressed.

“And with a falling tide, I’m afraid. There, get to work man, and see what can be done with an anchor to haul her upon a level keel before the position is worse, for we shall board no slaver to-day.”

“Beg pardon, sir.”

“What is it, Mr Murray?”

The midshipman pointed right aft, where the faint mist was floating away from where it hung about a mile away over the distant shore.

“Well, sir, why don’t you speak?” cried the captain, now speaking angrily. “Oh, I beg your pardon, Mr Murray; another mist was in my eyes. That must be the course of the other fork of the river. I see it plainly now. We have been lured up here and run upon this muddy shoal in the belief that we shall never get off; and there goes our prize with her load of black unfortunates. Do you see her, Mr Anderson?”