"How? With what?" he wanted to know. Then the real urgency of the situation must have penetrated his mental isolation. "You have an idea--?"
"There"s those fish we found them eating back by the mountain stream,"
Shann said, recalling an incident of a few days earlier. "Rocks here, too, like those the fish were hiding under. Maybe we can locate some of them here."
He knew that Thorvald would be reluctant to work the raft in sh.o.r.e, to spare time for such hunting. But there would be no arguing with hungry wolverines, and he did not propose to lose the animals for the officer"s whim.
However, Thorvald did not protest. They poled the raft out of the main pull of the current, sending it in toward the southern sh.o.r.e in the lee of a clump of light-willows. Shann scrambled ash.o.r.e, the wolverines after him, sniffling along at his heels while he overturned likely looking rocks to unroof some odd underwater dwellings. The fish with the rudimentary legs were present and not agile enough even in their native element to avoid well-clawed paws which scooped them neatly out of the river shallows. There was also a sleek furred creature with a broad flat head and paddle-equipped forepaws, rather like a miniature seal, which Taggi appropriated before Shann had a chance to examine it closely. In fact, the wolverines wrought havoc along a half-mile section of bank before the Terran could coax them back to the raft.
As they hunted, Shann got a better idea of the land about the river. It was sere, the vegetation dwindling except for some rough spikes of things pushing through the parched ground like flayed fingers, their puffed redness in contrast to the usual amethystine coloring of Warlock"s growing things. Under the climbing sun that whole stretch of country was revealed in a stark bareness which at first repelled, and then began to interest him.
He discovered Thorvald standing on the upper bluff, looking out toward the waiting mountains. The officer turned as Shann urged the wolverines to the raft, and when he jumped down the drop to join them, Shann saw he carried a map strip unrolled in his hand.
"The situation is not as good as we hoped," he told the younger man.
"Well have to leave the river to cross the heights."
"Why?"
"There"re rapids--bending in a falls." The officer squatted down, spreading out the strip and making stabs at it with a nervous finger tip. "Here we have to leave. This is all rough ground. But lying to the south there"s a gap which may be a pa.s.s. This was made from an aerial survey."
Shann knew enough to realize to what extent such a guide could go wrong.
Main features of the landscape would be clear enough from aloft, but there might be unsurmountable difficulties at ground level which were not distinguishable from the air. Yet Thorvald had planned this journey as if he had already explored their escape route and that it was as open and easy as a stroll down Tyr"s main transport way. Why was it so necessary that they try to reach the sea? However, since he had no objection to voice except a dislike for indefinite information, Shann did not question the other"s calm a.s.sumption of command, not yet, anyway.
As they embarked and worked back into the current, Shann studied his companion. Thorvald had freely listed the difficulties lying before them. Yet he did not seem in the least worried about their being able to win through to the sea--or if he was, his outer sh.e.l.l of unconcern remained uncracked. Before their first day together had ended, the younger Terran had learned that to Thorvald he was only another tool, to be used by the Survey officer in some project which the other believed of primary importance. And his resentment of the valuation was under control so far. He valued Thorvald"s knowledge, but the other"s att.i.tude chilled and rebuffed his need for something more than a half partnership of work.
Why had Thorvald come back to Warlock in the first place? And why had it been necessary for him to risk his life--perhaps more than his life if their theory was correct concerning the Throgs" wish to capture a Terran--to get that set of maps from the plundered camp? When he had first talked of that raid, his promised loot had been supplies to fill their daily needs; there had been no mention of maps. By all signs Thorvald was engaged on some mission. And what would happen if he, Shann, suddenly stopped being the other"s obedient underling and demanded a few explanations here and now?
Only Shann knew enough about men to also know that he would not get any information out of Thorvald that the latter was not ready to give, and that such a showdown, coming prematurely, would only end in his own discomfiture. He smiled wryly now, remembering his emotions when he had first seen Ragnar Thorvald months ago. As if the officer ever considered the likes, dislikes--or dreams--of one Shann Lantee. No, reality and dreams seldom approached each other. Dreams....
"On any of those sh.o.r.eline maps," he asked suddenly, "do they have marked a mountain shaped like a skull?"
Thorvald thrust with his pole. "Skull?" he repeated, a little absently, as he so often did in answer to Shann"s questions unless they dealt with some currently important matter.
"A queer sort of skull," Shann said. Just as vividly as when he had first awakened, he could picture that skull mountain with the flying things about its eye sockets. And that, too, was odd; dream impressions usually faded with the pa.s.sing of waking hours. "It has a protruding lower jaw and the waves wash that ... red-and-purple rock----"
"What?"
He had Thorvald"s complete attention now.
"Where did you hear about it?" That demand followed quickly.
"I didn"t hear about it. I dreamed of it last night. I stood there right in front of it. There were birds--or things flying like birds--going in and out of the eyeholes----"
"What else?" Thorvald leaned across his pole, his eyes alive, avid, as if he would pull the reply he wanted out of Shann by force.
"That was all I remember--the skull mountain." He did not add his other impression, that he was meant to find that skull, that he _must_ find it.
"Nothing...." Thorvald paused, and then spoke slowly, with a visible reluctance. "Nothing else? No cavern with a green veil--a wide green veil--strung across it?"
Shann shook his head. "Just the skull mountain."
Thorvald looked as if he didn"t quite believe that, but Shann"s expression must have been convincing, for he laughed shortly.
"Well, there goes one nice neat theory up in smoke!" he commented. "No, your skull doesn"t appear on any of our maps, and so probably my cavern does not exist either. They may both be smoke screens----"
"What--?" But Shann never finished that query.
A wind was rising in the desert to blow across the slit which held the river, carrying with it a fine shifting of sand which coasted down into the water as a gray haze, coating men, animals, and raft, and sighing as snow sighs when it falls.
Only that did not drown out another cry, a thin cry, diluted by the miles of land stretching behind them, but yet carrying that long ululating howl they had heard in the Throg camp. Thorvald grinned mirthlessly.
"The hound"s on trail."
He bent to the pole, using it to aid the pace of the current. Shann, chilled in spite of the sun"s heat, followed his example, wondering if time had ceased to fight on their side.
6. THE HOUND
The sun was a harsh ball of heat baking the ground and then, in some odd manner, drawing back that same fieriness. In the coolness of the eastern mountains Shann would not have believed that Warlock could hold such heat. The men discarded their jackets early as they swung to dip the poles. But they dared not strip off the rest of their clothing lest their skin burn. And again gusts of wind now drove sand over the edge of the cut to blanket the water.
Shann wiped his eyes, pausing in his eternal push-push, to look at the rocks which they were pa.s.sing in threatening proximity. For the slash which held the river had narrowed. And the rock of its walls was naked of earth, save for sheltered pockets holding the drift of sand dust, while boulders of all sizes cut into the path of the flowing water.
He had not been mistaken; they were going faster, faster even than their efforts with the poles would account for. With the narrowing of the bed of the stream, the current was taking on a new swiftness. Shann said as much and Thorvald nodded.
"We"re approaching the first of the rapids."
"Where we get off and walk around," Shann croaked wearily. The dust gritted between his teeth, irritated his eyes. "Do we stay beside the river?"
"As long as we can," Thorvald replied somberly. "We have no way of transporting water."
Yes, a man could live on very slim rations of food, continue to beat his way over a bad trail if he had the concentrate tablets they carried. But there was no going without water, and in this heat such an effort would finish them quickly. Always they both listened for another cry from behind, a cry to tell them just how near the Throg hunting party had come.
"No Throg flyers yet," Shann observed. He had expected one of those black plates to come cruising the moment the hound had pointed the direction for their pursuers.
"Not in a storm such as this." Thorvald, without releasing his hold on the raft pole, pointed with his chin to the swirling haze cloaking the air above the cut walls. Here the river dug yet deeper into the beginning of a canyon. They could breathe better. The dust still sifted down but not as thickly as a half hour earlier. Though over their heads the sky was now a grayish lid, shutting out the sun, bringing a portion of coolness to the travelers.
The Survey officer glanced from side to side, watching the banks as if hunting for some special mark or sign. At last he used his pole as a pointer to indicate a rough pile of boulders ahead. Some former landslide had quarter dammed the river at that point, and the drift of seasonal floods was caught in and among the rocky pile to form a p.r.i.c.kly peninsula.
"In there----"
They brought the raft to sh.o.r.e, fighting the faster current. The wolverines, who had been subdued by the heat and the dust, flung themselves to the rocks with the eagerness of pa.s.sengers deserting a sinking ship for certain rescue. Thorvald settled the map case more securely between his arm and side before he took the same leap. When they were all ash.o.r.e he prodded the raft out into the stream again, pushing the platform along until it was sucked by the current past the line of boulders.
"Listen!"
But Shann had already caught that distant rumble of sound. It was steady, beating like some giant drum. Certainly it did not herald a Throg ship in flight and it came from ahead, not from their back trail.
"Rapids ... perhaps even the falls," Thorvald interpreted that faint thunder. "Now, let"s see what kind of a road we can find here."