He paid the check and rose from the table.
"You wait here for me," he instructed the boys.
"Where are you going?" asked Chester.
"Going to buy a gun," replied Uncle John; "going to outfit myself to join the spy-hunters."
He stalked from the room.
CHAPTER VI.
ON THE TRAIL.
The stars were shining when Hal and Chester, accompanied by Uncle John, made their way from the hotel toward the Austrian legation. Uncle John was chuckling to himself as he walked between his two younger companions.
"What is so funny, Uncle John?" asked Chester.
"I was just thinking what your mothers would say if they knew where we were going," was the reply; "particularly if they knew where I was going. I guess they think I am too old for this foolishness, but I tell you, a man likes to be young again."