"I'm going to do nothing," said Fred quickly. "I think I will
leave him alone until we land at my grandfather's island and then
I will tell him all about it."

"What do you suppose he is?" inquired John, glancing again at the
man, who apparently was unaware of the interest his presence on
board the Black Growler had aroused.

"I haven't any idea."

"How did he know about that bond?"

"I can't tell you."

"Do you suppose he stole it?"

"It doesn't seem so to me," said Fred slowly, as he shook his
head. "If he stole it I can't understand why he comes down here
after it. You would think he would want to put a long distance
between himself and that bond after he lost it."

"And yet he seemed bold enough when he told us to tell him where
it is. What do you suppose made him think of that?"

"Think of what?"

"Why, that we had put it somewhere."

"It's the most natural thing in the world," retorted Fred glibly.
"He would know that fellows like us wouldn't want to keep a bond