"Hard a lee!" sang out the mate, and as the schooner rushed up into the wind, Gary, walking to the stern, kissed his hand satirically to the officers in the boat.

"I've a notion to sink you," he muttered. "One solid shot would do the business; but perhaps 'twill be best for us to get away, doing as little damage as possible. It might be safer in case of subsequent trouble with the authorities."

Close hauled upon her other tack, the schooner was heading diagonally towards the fog which was just at hand, like a dense, advancing wall.

As they drew away from the boat the cruiser began to fire one gun after another. Each discharge sent apprehensive thrills through the slaver's crew. Finally a whole broadside of the warship's upper battery came shrieking over the water.

CHAPTER XXII.

Trouble of Another Kind.

"That was a close call," exclaimed Rucker, as a shot cut away one of the jib stays, carrying down the flying jib.

Even as he spoke the film of the fog enveloped them, and though the sloop of war continued to fire, her shots did no further damage, for the Wanderer almost immediately lost sight of her pursuer.

Gary then had the course altered to disconcert the aim of the corvette, which soon after ceased firing.