know what our craft is, they may take the alarm and hide deeper in the jungle with the prisoners, where we can't find them," said Tom.
His plan was adopted, and, while it had taken the native hunter several days to reach the borders of the dwarfs' land, those in the airship made the trip in one day. That is, they came as far toward it as they thought would be safe, and one night, having located a landmark which Mr. Durban said was on the border, the nose of the Black Hawk was pointed downward, and soon they were encamped in a little clearing in the midst of the dense jungle which was all about them.
With his electric rifle, Tom noiselessly killed some birds, very much like chicken, of which an excellent meal was made and then, as it became dark very early, and as nothing could be done, they lighted a campfire, and retired inside their craft to pass the night.
It must have been about midnight that Tom, who was a light sleeper at times, was awakened by some noise outside the window near which his stateroom was. He sat up and listened, putting out his hand to where his rifle stood in the corner near his bunk. The lad heard stealthy footsteps pattering about on the deck of the airship. There was a soft, shuffling sound, such as a lion or a tiger makes, when walking on bare boards. In
