No warning came from the two lookouts and, after a moment, Steve again turned gingerly.

For all the watchers could tell, the _Adventurer_ never altered her course, but Steve, his gaze on the compass card, knew that she was headed now straight east.

Now and then he peered questioningly forward, but his gaze was defeated by the fog.

At intervals Perry sent a groaning wail from the fog-horn.

Presently Steve heard the boys talking on the bow and in a moment Neil's voice hailed him: "Surf off to starboard, Steve! Not very near, though." The others listened, but there was just enough noise from the engine to drown the sound heard by the lookouts.
"Tell me if it gets louder," called Steve.