to let the thing go unnoticed was quickly evidenced by the skirring of motors upon the landing stage and the quick shooting airward of a long-lined patrol boat.
Thuvia watched it dart swiftly eastward. So, too, did other eyes watch.
Within the dense shadows of the skeel grove, in a wide avenue beneath o'erspreading foliage, a flier hung a dozen feet above the ground. From its deck keen eyes watched the far-fanning searchlight of the patrol boat. No light shone from the enshadowed craft. Upon its deck was the silence of the tomb. Its crew of a half dozen red warriors watched the lights of the patrol boat diminishing in the distance.
"The intellects of our ancestors are with us tonight," said one in a low tone.
"No plan ever carried better," returned another. "They did precisely as the prince foretold."
He who had first spoken turned toward the man who squatted before the control board.
"Now!" he whispered. There was no other order given. Every man upon the craft had evidently been well schooled in each detail of that
