CHAPTER II.

MONTENEGRIN MOUNTAINEERS.


Hal drew a sharp breath and tightened his hold upon the steering wheel.

There was no question that Stubbs' voice had carried to the occupants of
the second craft, and as Stubbs had exclaimed aloud in English there was
little doubt in the minds of our three friends that the Austrians would
seek an explanation. Nor were they wrong.

Came a hail from the Austrian:

"Who've you got aboard, there?"

"Prisoner," replied Hal, thinking quickly.

"What are you doing with him?"

"We--" Hal began, but the Austrian interrupted.

"Spies, that's what you are! Down to the ground now, or I'll put a hole
through you."

"Guess it's no use fooling any longer," muttered Hal.

He threw over the elevating lever and the large craft soared rapidly. At
the same moment a shot rang out from aboard the Austrian, followed by a
cry of surprise, and then the Austrian gave chase.