Chapter XII.—Bob's Discovery.

Night came, and the hostile natives showed no sign of returning.

A strict watch was kept until morning, but nothing out of the ordinary happened.

In the meantime Captain Sumner and Bob examined the map with great care and also read and reread the papers Ruel Gross had left behind him.

"Let us go on another tour of exploration," said the captain, on the following day. "If those natives come back Bok can fire a gun to warn us."

The boy readily agreed and they set off without delay.

Once under the dead cedar tree they looked around them curiously.

A short distance further inland they saw a hollow, which had evidently at one time been a camp.

Tin cans were strewn around, along with a number of fish and animal bones.

"I wonder if father and Ruel Gross once encamped here?" thought Bob.