"Mri and dusei and humans," Tiag exclaimed in disgust "What can they discover that some regul has not already discovered and remembered the first time?”

"Lackwit, observe what Nagn has correctly observed and think! What would humans do with the records of our own homeworld? And what world is this before us?”

"The mri homeworld," Morkhug said. "Cities, storehouses of data-”

"To which this Duncan has already gained access," said Suth. "Mri. . . value revenge. The revenge they owe Alagn is considerable, and I do not want that inheritance. But that is not the only cause for which we should fear. Of how many years might be the experience logged in cities which were built to surround seas which are no longer there?”

"Mri," said Tiag, attempting scorn, but her nostrils kept dilating-

"Mri with ships," said Nagn, "who made the desert of stars as far as our own space, and turned back only when they ran out of lives. And humans, who keep their memories only on paper, gather the memories of this place. Millions of years, Tiag.”

"But we cannot destroy it," Tiag moaned.

"Mri," Suth said, "and incomprehensible to us. Valueless to us, in a language we cannot read. But do you observe, mates-of-mine, that the mri mind and the human… are compatible?”

"What shall we do, then, bai?”

"What do we do with irrationalities? We remove them from the present Alien minds are able to bridge these irrationalities. The reflexes of forgetting are not all detriment, to my observation. We cannot operate by such absorptions. Already we are troubled by impossible combinations of concepts. We talk in paradoxes when we carry on any lengthy discourse with humans. We have walked into a morass. We do not extricate ourselves by swallowing mud. Remove it; that is what has to be done. It is not the weapons which are the danger; it is not the feud with mri; it is the combination, mates-of-mine, the combination, this absorptive tendency in our allies… with what we have seen in coming here. How did we first involve ourselves with humans at first hand? A human named Stavros imitated our ways. How did mri involve themselves with humans? A human named Duncan imitated theirs so successfully he has been transformed. This is beyond courtesy. This is a mechanism. This is a biological mechanism by which this species survives. There is one human, in each instance, there is one human who walks from among them, who allows himself to become Impressed, who becomes the enemy… who then bridges the gap, and gains knowledge. One sacrifice. One transformation. Who of us, who of the mri, is able to become human? Can you, Tiag? Can you define, having observed Stavros and Duncan and Koch, even what is human?”

Tiag shuddered visibly, eyes rolling aside.

"We shall never be quit of humans," Suth said bitterly. "By Alagn's grievous error, we let them inside. But we can see to it that what belongs to this world… stays here. Ends here. And we can go back to home space and give our information and observations to regulkmd, without mri in the equation. We can cut off this branch, so that there is no hazard at least from this source; we can focus human attention here, where it can no longer profit them, and buy us time.”

"We have one ship," Morkhug protested. "One to their three. How can we deal with them?”

"More of Alagn's negotiation. We should initiate a new negotiation. My presence gives us that option, being of different doch. We should see to the rearrangement of advantages, maneuver as best we can." He set his cup aside, empty, stared grimly at the three of them. Carrying, all three; the young could not come to term in any reasonable time to be of assistance; they had not the time of years, but time as humans reckoned it, and actions had to be undertaken… quickly.

The tribe was not there. Niun felt it from the time that they passed the great rounded rock which had been his landmark returning from many a hunt… and where once he had felt a sense of occupancy there was nothing from the dusei, only that feeling which nagged at their shoulders, warning that their pursuers were, if anything, nearer.

They had made good time, the best that Duncan could do, from nooning till now, that the sun began its midair vanishing out over the basins, and shadows were beginning to fade. Dun-can kept the pace still, his breathing loud and raw. At times Niun caught him walking with eyes shut; he was doing so now, and Niun took his arm and guided him, breaking rapport with the dus, wishing to shed none of his despair on Duncan. He tried it again in the shadows' deepening… shaped again what he sought of the dusei, received back nothing comforting, no sense of friendly presence. There was a prickling of something else as they neared the rocks, a sense which might come of one of the ha-dusei, remote, disturbed.

Melein had warned him; other cities, she had said. Other choices. Hlil had gotten back; must have.

And somewhere they must find a place to rest, a place for Duncan. They had entered into a trap, a triangle of land with the rim on one side, the chasm of the cut on the other, and the enemy behind them, on the third. The dusei had led them here; they had followed, hoping and blind, reliant on them.

Still that blankness; dusine obsession, perhaps, with what followed… they were notoriously single-minded. But the dread grew in him, that that emptiness might be death, might be that Hlil had failed, that the storm had been too much for them. Dusei could not comprehend death, minds that would not respond; a bewildered persistence even without answer.

"Sov-kela," he said finally, himself hoarse with exertion. "They have moved on.”

Duncan did not falter, did not answer. Some emotion came back through the dusei, a kind of panic, quickly smothered.

"We ... go across the cut," Niun said. "We know where they are not; and the dusei probably mean ... we should keep going south. The cut goes half a day's march around its farther end; a long diversion for our followers ... a cautious approach this way, to go down… where they could meet trouble. Where I know the ground and they do not. Stay with me. Stay with me."

"Aye," Duncan said, a sound hardly recognizable.

Colors began to fade from the land. La the treacherous last light they entered the trail itself, passed under the place where a sentry should have challenged them. Sand had filled here, unreadable in the constant gentle wind, a thick blanket which lay knee-deep over the old trail, half burying rocks which had once stood clear. The dusei gave neither alarm nor sense of contact, shambling along before them.

Suddenly the way opened to the terrible vista of the sandslip, which admitted the last amber light upon a sand-surface widened and seemed much farther than it once had been. "Yail" Niun exclaimed, willing the dusei to stay close to them, giddy even to contemplate that fall and tormented with an abiding fear, that the dusei had brought them here because they had no other track, because there was nothing farther, and the others were lost, down that, down there.

Duncan breathed an exclamation beside him, a choked sound; Niun reached back, flung an arm about him, guided his unsteady steps as they came down along the edge of the cliffs. The least breath might set it into motion again, might rip loose not only that unstable surface but reach far back into the canyon.

He and Duncan walked the edge of the cliffs, the dusei throwing their heads in mistrust of this place ... by instinct or some knowledge gleaned of his mind, they hugged the cliffs as well, shouldering against the rock, rolling nervous eyes on that outer surface.

They reached the place which had belonged to Kel, and within was nothing but shadow, sand filled halfway up to the roof of the recess. Beyond that the sandfall continued, pouring down onto what was now the face of the slip, having lost much of the cone which it had built up before. They crossed under the whispering fall and back and back in the canyon, where it had begun to be night, where the seam of the slip did not reach.

"Now," Niun said. "We cross here. No delicacy and no delay; it goes or it does not”

He sent stem command to the dusei and seized Duncan by the arm, and such as they could, they ran, crossing the stone's-throw of sand. There was a natural slipping underfoot, no more than that; and the rocks loomed before them, received them into safety. Duncan stumbled and caught himself against the rocks, moved when Niun seized him and pulled him on, up, into the tangle of rocks and wind-carved stone. The dusei climbed, no natural activity for them, with a clatter of stone and scratching of claws, and Niun clambered after, up and up where there had been an ascent from the far side.

And halfway up, a shelf, a tilting slab, hardly more than a dus's width. The beasts went on climbing, sending down small rocks; Niun stopped there, tucked up in a cramped position, dragged Duncan as much onto the ledge as he could. Duncan coughed, a racking, heaving cough, lay face down and curled somewhat; and Niun crouched there listening, his hand on Dun-can's heaving shoulder.

The dusei reached the top, perhaps to move on, perhaps to wait; Niun willed them to wait, felt Duncan's breathing ease at last to deep gasps and finally to a quick, shallow pace. There was no bed but the cold stone, no place but this to rest. In his mind Niun hoped their pursuers would try the cut in the dark one grand slide to oblivion for that carelessness, going into that place not knowing it was there. Or if they came around it, they would go some distance out of their way, some far distance. There was time to rest, enough, at least, to give Duncan a little ease.

Melein, he cast out toward his dus, hoping, desperately hoping. There was nothing, but only that remote unease that had begun this day and continued. He dared not yield to sleep; tired as he was, he might go on sleeping, until the moment he found himself surrounded by hao'nath.

He did sleep, came awake with a guilty jerk, an attempt to focus his eyes on the stars, to know how long. The moon was up. For a moment it seemed a star moved, and his strained eyes blinked and lost it; illusion, he persuaded himself. There was still a star there, stable and twinkling with dust. He watched that patch of visible heavens until he found his eyes closing again, despite numbed limbs and the misery of a point of rock in his back; Duncan's back moved evenly under his hand. He stayed still a long time, finally moved his hand and shook at Duncan, as reluctantly as he would have struck him. "Move," he said. "We have to move.”