"Hit in the shoulder," replied Hal briefly. "I suppose whoever fired aimed at the machine. I just happened to be in the way, that's all."
"But you can't drive with one arm! Hadn't we better—"
"Can't!" exclaimed Hal. "I've got to!"
At that moment both boys were almost blinded by the glare of a dazzling light directly ahead!
CHAPTER XI.
OVER THE FRONTIER.
"What's that?" cried Chester, in consternation.
"I haven't any idea," replied Hal; "but it looks like a searchlight."
"Hadn't you better slow down?"
"With our pursuers just behind? I guess not."