When next he thought to turn his head so as to glance backward, Billy received a bit of a shock. A sort of thin haze had settled down on the water by now, but through this he had discovered two moving lights. They looked very queer as seen in that foggy atmosphere; but Billy was smart enough to know what they stood for.

He immediately awoke Frank, whispering the astonishing news in his ear.

CHAPTER V.
A NIGHT ON THE CHANNEL.

“They’re looking for us, and they’ve got lanterns, Frank!” was what the one on guard said in a low tone as he pulled his chum’s sleeve.

Frank was wide-awake instantly, and one quick glance showed him the approaching peril.

“Yes, you’re right about it, Billy,” he observed cautiously, and if there was a little quiver to his voice that was no more than might be expected under the exciting conditions by which they were surrounded.

“How queer the lights look swinging along close to the water, and in that fog, too. They are heading out this way, I’m afraid, Frank.”

“It seems so, Billy.”

“Hadn’t we better get under way, then?” continued the nervous one.