Overhead, Semper fluttered and flew in giant circles and spirals, never going very far away. Huyghens referred constantly to the screen which showed what the air-borne camera saw. The image tilted and circled and banked and swayed. It was by no means the best air reconnaissance that could be imagined. But it was the best that would work. Presently Huyghens said:
"We swing to the right, here. The going's bad straight ahead, and it looks like a pack of sphexes has killed and is feeding."
Roane was upset. He was dissatisfied with himself. So he said:
"It's against reason for carnivores to be as thick as you say! There has to be a certain amount of other animal life for every meat-eating beast! Too many of them would eat all the game and starve!"
"They're gone all winter," explained Huyghens, "which around here isn't as severe as you might think. And a good many animals seem to breed just after the sphexes go south. Also, the sphexes aren't around all the warm weather. There's a sort of peak, and then for a matter of weeks you won't see a one of them, and suddenly the jungle swarms with them again. Then, presently, they head south. Apparently they're migratory in some fashion, but nobody knows." He said dryly: "There haven't been many naturalists around on this planet. The animal life is inimical."
Roane fretted. He was a senior officer in the Colonial Survey, and he was accustomed to arrival at a partly or completely-finished colonial setup, and to pass upon the completion or non-completion of the planned installation as designed. Now he was in an intolerably hostile environment, depending upon an illegal colonist for his life, engaged upon a demoralizingly indefinite enterprise—because the mechanical spark-signal could be working long after its constructors were dead—and his ideas about a number of matters were shaken. He was alive, for example, because of three giant Kodiak bears and a bald eagle. He and Huyghens could have been surrounded by ten thousand robots, and they'd have been killed. Sphexes and robots would have ignored each other, and sphexes would have made straight for the men, who'd have had less than four seconds in which to discover for themselves that they were attacked, prepare to defend themselves, and kill eight sphexes.
Roane's convictions as a civilized man were shaken. Robots were marvelous contrivances for doing the expected: accomplishing the planned; coping with the predicted. But they also had defects. Robots could only follow instructions—if this thing happens, do this, if that thing happens do that. But before something else, neither this nor that, robots were helpless. So a robot civilization worked only in an environment where nothing unanticipated ever turned up, and human supervisors never demanded anything unexpected. Roane was appalled. He'd never encountered the truly unpredictable before in all his life and career.
He found Nugget, the cub, ambling uneasily in his wake. The cub flattened his ears miserably when Roane glanced at him. It occurred to the man that Nugget was receiving a lot of disciplinary thumpings from Faro Nell. He was knocked about physically, pretty much as Roane was being knocked about psychologically. His lack of information and unfitness for independent survival in this environment was being hammered into him.
"Hi, Nugget," said Roane ruefully. "I feel just about the way you do!"
Nugget brightened visibly. He frisked. He tended to gambol. He looked very hopefully up into Roane's face—and he stood four feet high at the shoulder and would overtop Roane if he stood erect.
Roane reached out and patted Nugget's head. It was the first time in all his life that he'd ever petted an animal.
He heard a snuffling sound behind him. Skin crawled at the back of his neck. He whirled.
Faro Nell regarded him—eighteen hundred pounds of she-bear only ten feet away and looking into his eyes. For one panicky instant Roane went cold all over. Then he realized that Faro Nell's eyes were not burning. She was not snarling. She did not emit those blood-curdling sounds which the bare prospect of danger to Nugget had produced up on the rocky spur. She looked at him blandly. In fact, after a moment she swung off on some independent investigation of a matter that had aroused her curiosity.
The traveling party went on, Nugget frisking beside Roane and tending to bump into him out of pure cub-clumsiness. Now and again he looked adoringly at Roane, in the instant and overwhelming affection of the very young.
Roane trudged on. Presently he glanced behind again. Faro Nell was now ranging more widely. She was well satisfied to have Nugget in the immediate care of a man. From time to time he got on her nerves.
A little while later, Roane called ahead.
"Huyghens! Look here! I've been appointed nursemaid to Nugget!" Huyghens looked back.
"Oh, slap him a few times and he'll go back to his mother."
"The devil I will!" said Roane querulously. "I like it!"
The traveling party went on.
When night fell, they camped. There could be no fire, of course, because all the minute night-things about would come eagerly to dance in the glow. But there could not be darkness, equally, because night-walkers hunted in the dark. So Huyghens set out the barrier lamps which made a wall of twilight about their halting place, and the staglike creature Faro Nell had carried became their evening meal. Then they slept—at least the men did—and the bears dozed and snorted and waked and dozed again. But Semper sat immobile with his head under his wing on a tree limb. And presently there was a glorious cool hush and all the world glowed in morning light diffused through the jungle by a newly risen sun. And they arose, and traveled again.
This day they stopped stock-still for two hours while sphexes puzzled over the trail the bears had left. Huyghens discoursed calmly on the need for an anti-scent, to be used on the boots of men and the paws of bears,. which would make the following of their trails unpopular with sphexes. And Roane seized upon the idea and absorbedly suggested that a sphex-repellent odor might be worked out, which would make a human revolting to a sphex. If that were done—why—humans could go freely about unmolested.
"Like stink-bugs," said Huyghens, sardonically. "A very intelligent idea! Very rational! You can feel proud!"
And suddenly Roane, very obscurely, was not proud of the idea at all. They camped again. On the third night they were at the base of that remarkable formation, the Sere Plateau, which from a distance looked like a mountain-range but was actually a desert tableland. And it was not reasonable for a desert to be raised high, while lowlands had rain, but on the fourth morning they found out why. They saw, far, far away, a truly monstrous mountain-mass at the end of the long-way expanse of the plateau. It was like the prow of a ship. It lay, so Huyghens observed, directly in line with the prevailing winds, and divided them as a ship's prow divides the waters. The moisture-bearing air-currents flowed beside the plateau, not over it, and its interior was pure sere desert in the unscreened sunshine of high altitudes.
It took them a full day to get halfway up the slope. And here, twice as they climbed, Semper flew screaming over aggregations of sphexes to one side of them or the other. These were much larger groups than Huyghens had ever seen before—fifty to a hundred monstrosities together, where a dozen was a large hunting-pack elsewhere. He looked in the screen which showed him what Semper saw, four to five miles away. The sphexes padded uphill toward the Sere Plateau in a long line. Fifty—sixty—seventy tan-and-azure beasts out of hell.
"I'd hate to have that bunch jump us," he said candidly to Roane. "I don't think we'd stand a chance."