CHAPTER THIRTEEN.
HOW THERE WAS A STARTLING SURPRISE.
"What in the world is that ?" cried Gregory.
"That sir ?" said the major importantly.

"That was the report of a gun." "Good gracious, man, I know that," said the mate.
"There again," cried Morgan.
"Ship firing signals for recall," said the major.

"We are wanted aboard." "Nonsense, sir!" said Gregory tartly.

"We have no guns that would make such a report as that.

What ?" This last was to Morgan, who whispered something to him excitedly.
"Pooh! nonsense, man!" cried Gregory again.