IVI GO BACK NOW TO THAT moment when Ama and I, pursued by the roaming band of Orgs, plunged into a tunnel passage that led from the gully, near the wrecked Roberts’ spaceship. It was quite evident that Ama was aware of the dangers of the wind-storms of her little world. There was a swift air-current sucking into this passage. But it was not powerful enough to do more than hurry us along. Once, where the tunnel branched, there seemed an open grotto up a little subterranean ascent to the right. It glowed with a brighter pallid light than was here in the passage. I turned that way with an interested gaze, but at once she clutched at me. “No—no. In times of the storm, very bad sometimes in places under the ground.” There seemed no sign of pursuit behind us. “The Orgs—they run heavy,” Ama sai