bark, asking us to come to you," said Captain Marshall.
"We sent nobody—we have seen no natives to day."
There was a pause, during which each looked blankly at the others.
"I can't understand this," said Dave, slowly. "Mr. Shepley certainly delivered that message."
"It is a trick of some sort!" burst out Captain Marshall. "The very best thing we can do is to get back to the vessel without delay.
The others thought so, too, and in a moment more all were on their way to the shore, hurrying through the undergrowth as rapidly as the bushes and vines would permit. Phil and Roger had managed to shoot two small animals that looked like hares, but that was all.
At last they came out on the sands, and a shout of dismay went up.
"The ship is gone!"
"The Stormy Petrel has sailed away and left us!"
The boys and the old sailor turned to Captain Marshall, whose face had turned white. Now it grew dark and stern.
"How could they get out of the harbor?" questioned Dave.
"Shepley must have found a passageway," answered the captain.
