ghost craft.

"Believe it's that seal-fishery business?" asked Dave, as he and the
ensign took their watch.

"No."

Dave was certain from the tone that the doctor had confided his secret to
the ensign. He asked no more questions.

So they drifted on. The wind had dropped. The swell rolled their craft as
it plowed along. Here and there a sea-lion thrust its ugly head from the
water. Twice a seal attempted to climb upon the slippery hull for a
rest, but, to the amusement of the boys, slid back into the water. An
offer to assist the third one was not appreciated, and the ridiculously
human-like head disappeared beneath the water with great alacrity.

Dave had been searching the hills with his binoculars for some time when
he suddenly gave the glass to the ensign.

"What's that tangle above the cliffs there?" he asked.

The ensign studied the cliffs for some time. Then he touched a button
with his foot and they turned silently shoreward.

"That's it!" He said with an air of finality.

"What?" asked Dave eagerly.

"The wireless." Then the ensign explained to Dave the purpose of their