“I agree with you,” put in the professor. “However, you got over it better than I expected you would. I think we had better get out of the neighborhood of this river. It seems unlucky.”

In a little while Bob was sufficiently recovered to dress. Then, having delayed only to fill the water tank of the auto from the stream, the travelers resumed their journey.

They chugged along until nightfall, and having reached no settlement, they camped in the open, and made an early start the next day. It was about noon when, having made a sudden turn of the road, they came to a place where there was a parting of the ways.

“I wonder which we shall take?” asked Ned.

“Look! Look!” cried Bob, suddenly, pointing to something ahead.


[CHAPTER XVI.]
THE LAUGHING SERPENT.

“What is it?” asked Jerry, bringing the machine up with a sudden jerk.

“See! There is the laughing serpent!” exclaimed Bob.