Ned to help him, worked feverishly to repair the break. They were in a serious strait, for with the airship practically helpless they were at the mercy of the natives. And as Tom glanced momentarily from the window, he saw scores of black, half-naked forms slipping in and out among the trees and trailing vines.
Soon the rifles of his friends began to crack, and the yells of the natives were changed to howls of anguish. The electric weapon, though it made no noise, did great execution.
"I only hope they don't puncture the gas bag," murmured Tom, as he began taking the generating machine apart so as to get out the cracked cylinder.
"If they do, it's all up with us," murmured Ned.
After their first rush, finding that the white men were on the alert, the blacks withdrew some distance, where their spears and arrows were not so effective. Our friends, including Andy Foger, and the German, kept up a hot fire whenever a skulking black form could be seen.
But, though the danger from the spears and arrows was less, a new peril presented itself. This was from the blow guns. The curious weapons shot small arrows, tipped with tufts of a cottony substance in place of feathers, and
