they not enjoyed the tremendous sensation which the sudden and
unheralded appearance of the aeroplane caused in these river
settlements.
Loud shouts floated up to them that constantly grew in volume. Men
yelled, women and children screamed. Many fell flat on their faces;
others tried to conceal themselves, as though they belonged to a covey
of wild ducks over which a hungry eagle hovered, picking out his
contemplated dinner.
And the last thing Andy would see, as he looked back, would be wildly
running figures gesticulating furiously and evidently next door to crazy
with excitement. Apparently these natives believed that the aeroplane
must be a visitor from another world, or else some monster bird of a
family long understood to be extinct.
The second hour had nearly ended and everything seemed to be moving
along smoothly. Frank saw not a cloud on the horizon thus far. Surely
this augured well for the ultimate success of their strange expedition.
Suddenly he heard Andy give vent to a cry of alarm.
"What is it?" he demanded, quickly.
"Turn her upward, quick! They are going to shoot at us!" shouted the
other.
Frank instantly started to obey, and while their forward progress still
continued unabated, the aeroplane commenced to head toward a higher
altitude.
Immediately he heard the dull report of a gun from below. He dared not
bend his head to look, since all his attention was needed to take care
of his machine at such a critical moment. But the whine of the bullet
as it passed close by was very plainly heard.
Then came other shots, many of them, and the air seemed full of strange
hissing sounds. Twice Frank felt a slight shock that told him some part
of the aeroplane had been struck by one of the flying missiles. His
heart seemed to jump almost into his mouth, as he trembled for the
result. But nothing happened. The motor kept up its insistent humming,
and there was not a quiver to indicate that a vital part of the
monoplane had been injured.
"Andy, are you hurt?" he called, after the volley had ceased, the
marksmen below having evidently exhausted their ammunition.
"Only a scratch," came the reply. "Hardly drew blood. Think a splinter
from the wood where a spent bullet zipped past must have hit me. It's
all right, Frank! We ran the gantlet just fine. But all the same I guess
it would be better for us to keep a little higher after this."
"Did you make them out and were they government troops, do y
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