pointer for a certain station in Greater Helium, raised the arched lid of the thing, stepped in and lay down upon the upholstered bottom. An attendant closed the lid, which locked with a little click, and the carrier continued its slow way.
Presently it switched itself automatically to another track, to enter, a moment later, one of the series of dark-mouthed tubes.
The instant that its entire length was within the black aperture it sprang forward with the speed of a rifle ball. There was an instant of whizzing—a soft, though sudden, stop, and slowly the carrier emerged upon another platform, another attendant raised the lid and Vas Kor stepped out at the station beneath the center of Greater Helium, seventy-five miles from the point at which he had embarked.
Here he sought the street level, stepping immediately into a waiting ground flier. He spoke no word to the slave sitting in the driver's seat. It was evident that he had been expected, and that the fellow had received his instructions before his coming.
Scarcely had Vas Kor taken his seat when the flier went quickly into the fast-moving procession,
