When, upon her knees at his feet, she prayed to the rising sun, or to the sun at zenith, or to the setting sun, as was her wont, or when she chanted strange, weird songs in an unknown tongue, accompanying them with the mysterious gestures that were a part of the ritual, he was sure that the fever was worse and that he had become delirious again.
And so the days dragged on, and while Colt lay helpless, Zveri marched toward Italian Somaliland; and Tarzan, recovered from the shock of his wound followed the plain trail of the expedition, and from his shoulder little Nkima scolded and chattered through the day.
Behind him Tarzan had left a handful of terrified blacks in the camp of the conspirators. They had been lolling in the shade, following their breakfast, a week after the killing of Dorsky and the escape of his captive. Fear of the ape-man at liberty, that had so terrified them at first, no longer concerned them greatly. Psychologically akin to the brutes of the forest, they happily soon forgot their terrors; nor did they harass their minds by anticipating those which might assail them in the future, as it is the silly custom of civilized man to do.
And so it was that this morning a sight burst suddenly upon their astonished eyes found them entirely unprepared. They heard no noise, so silently go the beasts of the jungle, however large or heavy they may be; yet suddenly, in the clearing at the edge of the camp, appeared a great elephant, and upon his head sat the recent captive, whom they had been told was Tarzan of the Apes, and upon the man's shoulder perched a little monkey. With exclamations of terror, the blacks leaped to their feet and dashed into the jungle upon the opposite side of the camp.
Tarzan leaped lightly to the ground and entered Dorsky's tent. He had returned for a definite purpose; and his effort was crowned with success, for in the tent of the Russian he found his rope and his knife, which had been taken away from him at the time of his capture. For bow and arrows and a spear he had only to look to the shelters of the blacks; and having found what he wanted, he departed as silently as he had come.
Now the time had arrived when Tarzan must set out rapidly upon the trail of his enemy, leaving Tantor to the peaceful paths that he loved best.
"I go, Tantor," he said. "Search out the forest where the young trees have the tenderest bark and watch well against the men-things, for they alone in all the world are the enemies of all living creatures." He was off through the forest then, with little Nkima clinging tightly to his bronzed neck.
Plain lay the winding trail of Zveri's army before the eyes of the ape-man, but he had no need to follow any trail. Long weeks before, as he had kept vigil above their camp, he had heard the principals discussing their plans; and so he knew their objectives, and he knew, too, how rapidly they could march and, therefore, about where he might hope to overtake them. Unhampered by files of porters sweating under heavy loads, earthbound to no winding trails, Tarzan was able to travel many times faster than the expedition. He saw their trail only when his own chanced to cross it as he laid a straight course for a point far in advance of the sweating column.
When he overtook the expedition night had fallen, and the tired men were in camp. They had eaten and were happy and many of the men were singing. To one who did not know the truth it might have appeared to be a military camp of French Colonial Troops; for there was a military precision about the arrangement of the fires, the temporary shelters, and the officers' tents that would not have been undertaken by a hunting or scientific expedition, and, in addition, there were the uniformed sentries pacing their beats. All this was the work of Miguel Romero, to whose superior knowledge of military matters Zveri had been forced to defer in all matters of this nature, though with no dimunition of the hatred which each felt for the other.
From his tree Tarzan watched the scene below, attempting to estimate as closely as possible the number of armed men that formed the fighting force of the expedition, while Nkima, bent upon some mysterious mission, swung nimbly through the trees toward the east. The ape-man realized that Zveri had recruited a force that might constitute a definite menace to the peace of Africa, since among its numbers were represented many large and warlike tribes, who might easily be persuaded to follow this mad leader were success to crown his initial engagement. It was, however, to prevent this very thing that Tarzan of the Apes had interested himself in the activities of Peter Zveri; and here, before him, was another opportunity to undermine the Russian's dream of empire while it was still only a dream and might be dissipated by trivial means; by the grim and terrible jungle methods of which Tarzan of the Apes was a past-master.
Tarzan fitted an arrow to his bow. Slowly his right hand drew back the feathered end of the shaft until the point rested almost upon his left thumb. His manner was marked by easy, effortless grace. He did not appear to be taking conscious aim; and yet when he released the shaft, it buried itself in the fleshy part of a sentry's leg precisely as Tarzan of the Apes had intended that it should.
With a yell of surprise and pain the black collapsed upon the ground, more frightened, however, than hurt; and as his fellows gathered around him, Tarzan of the Apes melted away into the shadows of the jungle night.
Attracted by the cry of the wounded man, Zveri, Romero, and the other leaders of the expedition hastened from their tents and joined the throng of excited blacks that surrounded the victim of Tarzan's campaign of terrorism.
"Who shot you?" demanded Zveri when he saw the arrow protruding from the sentry's leg.
"I do not know," replied the man.
"Have you an enemy in camp who might want to kill you?" asked Zveri.
"Even if he had," said Romero, "he couldn't have shot him with an arrow because no bows or arrows were brought with the expedition."
"I hadn't thought of that," said Zveri.
"So it must have been someone outside camp," declared Romero.
With difficulty and to the accompaniment of the screams of their victim, Ivitch and Romero cut the arrow from the sentry's leg, while Zveri and Kitembo discussed various conjectures as to the exact portent of the affair.
"We have evidently run into hostile natives," said Zveri.
Kitembo shrugged non-committally. "Let me see the arrow," he said to Romero. "Perhaps that will tell us something."
As the Mexican handed the missile to the black chief, the latter carried it close to a camp fire and examined it closely, while the white men gathered about him waiting for his findings.
At last Kitembo straightened up. The expression upon his face was serious, and when he spoke his voice trembled slightly. "This is bad," he said, shaking his bullet head.
"What do you mean?" demanded Zveri.
"This arrow bears the mark of a warrior who was left behind in our base camp," replied the chief.
"That is impossible," cried Zveri.
Kitembo shrugged. "I know it," he said, "but it is true."
"With an arrow out of the air the Hindu was slain," suggested a black headman, standing near Kitembo.
"Shut up, you fool," snapped Romero, "or you'll have the whole camp in a blue funk."
"That's right," said Zveri. "We must hush this thing up." He turned to the headman. "You and Kitembo," he commanded, "must not repeat this to your men. Let us keep it to ourselves." Both Kitembo and the headman agreed to guard the secret, but within half an hour every man in camp knew that the sentry had been shot with an arrow that had been left behind in the base camp, and immediately their minds were prepared for other things that lay ahead of them upon the long trail.
The effect of the incident upon the minds of the black soldiers was apparent during the following day's march. They were quieter and more thoughtful, and there was much low voiced conversation among them; but if they had given signs of nervousness during the day, it was nothing as compared with their state of mind after darkness fell upon their camp that night. The sentries evidenced their terror plainly by their listening attitudes and nervous attention to the sounds that came out of the blackness surrounding the camp. Most of them were brave men who would have faced a visible enemy with courage, but to a man they were convinced that they were confronted by the supernatural, against which they knew that neither rifle nor bravery might avail. They felt that ghostly eyes were watching them, and the result was as demoralizing as would an actual attack have been; in fact, far more so.