AN INSTANT AFTER THE DISCOVERY, Wentworth was hurled toward the front of the ship as it answered the pilot's push on the controls. Wentworth's lips moved with his furious curses as he fought to reach the co-pilot's seat. A glance at the altimeter showed him that he must move swiftly, for already the ship had plunged a thousand feet. The gauge showed nine hundred feet!
No need to wonder about the shooting. That decoy message actually had been used to trace his plane so that a killer from the Bat Man could locate him with a radio direction-finder and shoot him down. And it would have succeeded had he moved a moment later or a few minutes sooner. Had he left the cockpit, he could not have reached the controls in time and had he been later, the bullets would have sewn him to the seat as they had the pilot.
The altimeter read five hundred feet when Wentworth got his hand on the stick and began to ease it back. The ship continued to drop at terrific speed and the wings shook with the strain of his attempt to lever out of the dive. For long seconds, it seemed the mighty ship would plunge its engines into the earth, but finally the nose began to lift. Something scraped along the fuselage, tossed the ship wildly. Wentworth tripped off the lights, peered downward through the bullet-pocked windshield and saw the treetops just beneath. The plane's momentum pulled it through.
In a trice, it was zooming and Wentworth caught a glimpse of fiery exhaust blossoms high up in the heavens where the murder ship was circling to watch the finish of its work. Wentworth was grimly thankful that his own exhausts were muffled, so that his flight would not be detected. He made the big Boeing hop hedges for a dozen miles before he dared to let it surge upward toward the skies again. He had no means of defense but he thought it probable that he could outrace his attacker in a straight-away pursuit. He did not sight the plane again as he drove on his course toward Michigan City.
He could turn now to the pilot in the seat beside him, but there was nothing he could do there. The man had made no sound or movement since the bullets had drilled him. His breath had not even rattled in his throat. There could be no doubt he was dead. Wentworth's face was impassive, but there were cold fires of rage in his blue-gray eyes. Another man who served the Spider, even though briefly, had died. Was he forever to bring only death to those who helped him?
Grimly, he tugged the throttle of the ship wide until the motors were raving out there in the darkness and the propeller whine rose viciously. He must reach Michigan City before the Bat Man could strike and flee.
It occurred to Wentworth suddenly that June Calvert had made no sound since the shooting and he peered back into the cabin, saw her stretched on the floor with a bloody wound across her temple. It did not seem to be deep, but Wentworth could not leave the controls to investigate. He bent more tensely over the wheel.
Ahead of him was the glow of Michigan City, its thousand lights reaching up challengingly toward the sky. Still the radio did not speak of an attack there. Perhaps he was in time after all! He realized the ship was vibrating dangerously, as he continued to push it at peak speed, but he could not slacken off now. Within fifteen minutes, he would be circling over the myriad lights. . . .
The radio squealed into action. "Calling all Michigan City cars. Calling Michigan City cars. Two men reported killed by bats in front of caroussel. Car twenty-four investigate. Proceed with caution. All others stand by."
It had started then, this new mad murder-jag of the Bat Man. His warning had come too late. . . .
He berated himself bitterly for his neglect, his selfishness in keeping the secret so long. Now Death would stride with seven-league boots across the park, taking great swaths of lives with each sweep of his keen scythe. . . . Wentworth was directly over Michigan City now, swinging in great circles about its borders, searching for some trace of the Bat Man. He could see the bats, even from his height, clouds of fluttering killers. A touch on his shoulder startled him. He looked up into June Calvert's face. It was very pale and he knew that she had seen the pilot's body. The air made a keen hissing through the bullet holes that effectively prevented speech.
Twice more, Wentworth swung about the resort, then, suddenly, he spotted his enemy, the Bat Man. With great wings spread, he was gliding over the fleeing thousands who left many dead behind. With a great shout, Wentworth gunned the ship, put the nose down and dived directly on the Bat Man. If he struck him, the propellers would be ruined, motors would fly apart, death would hurl the ship downward. Wentworth knew those things, but it did not matter.
This black, gliding thing was the creature who had destroyed so many hundreds of lives, who had killed this brave man beside him, who had snatched Nita from his side. There was a snarling smile on the Spider's lips as, resolutely, he hammered downward at the Bat Man. Only two hundred feet from him, now only a hundred and fifty and the motors bellowed like hungry lions.
When Wentworth was only a hundred feet away, the Bat Man glided smoothly to the right. Wentworth wrenched the plane about in an effort to follow, but his momentum was too great. He shot on past the slowly moving man and plunged toward the milling crowds below. With a frantic effort, he pulled the great ship's nose upward, whirled it in a virage and darted to the attack again. He was handling the powerful Boeing as if it were a light pursuit ship and the wings quivered and vibrated, the engines labored.
The Boeing dodged under the Bat's flight, whirled upward toward him with clawing propellers, the touch of which would slice the man in two. Wentworth had a glimpse of the drawn, frightened face of the Bat Man, saw a rifle spurt flame from near his head. He caught no bullet wind, but the man's effort pushed him just out of reach of the propellers. Savagely, Wentworth whirled the ship about and spotted the Bat Man fluttering downward like a wounded bird, sliding from side to side, whirling. Had he sliced the devil, then?
Wentworth took no chances. He sent the ship plunging toward the Bat Man, though they were now only two hundred feet above the earth. Even as he dived, he saw the Bat Man straighten out of his fall and speed earthward in a straight, controlled glide.
Grimly, Wentworth recognized that pursuit was now hopeless, for he saw the Bat Man glide downward between the high-reaching ferris wheel and a switchback structure. No chance for the Boeing there, but he was quite sure the Bat Man could not wing his way upward again. Those wings would not provide him with enough lift for soaring. He whipped about toward June Calvert.
"I'm going to land on the beach," he rapped out. "Got to follow him. Go to the tail and strap yourself down."
June Calvert smiled slightly. "A parachute would be faster," she said. "I can handle the ship!"
Wentworth's smile was a cheer. He slipped out from behind the wheel and June Calvert took it with practiced hands. Within a minute, he was strapped into the parachute.
"Land it on the beach," he shouted at her, then went to the cabin door. He fought it open against the slip stream, crouched and dived below the tail group, snatched out the ring at once. June had shoved the ship upward, but the altitude was barely adequate. Wentworth landed heavily behind the switchback, sliced through the parachute shrouds with a keen pocket knife and raced for the open. He wore a flying helmet with goggles from the ship and his coat collar was turned high. Only the lower half of his face was exposed to the attacks of the bats, for his hands were gauntleted. Even so, he kept alert for the flying death.
It had been impossible to watch the landing of the Bat Man, but Wentworth had traced out his course and now he ran swiftly toward the spot his calculations indicated. He had gone a hundred feet when a revolver spat from the darkness ahead. Wentworth fired at the flash and zig-zagged on. The revolver lanced flame at him again. Wentworth wasted no more shots. It was evident that the man who fired was behind some bullet-proof shield. For the Spider's lead always flew true to the target. . . .
Twice more the revolver was fired and only once did the lead hum near. The man was a wretched shot, Wentworth thought. He raced on, heard his opponent flee crashingly through formal shrubbery that was planted nearby.
As he ran swiftly in pursuit, Wentworth saw that the man's shield had been a concrete bench. There was a strange odor of bat musk on the air and Wentworth's eyes were narrow. Certainly, the Bat Man did a thorough job of impersonation! He went lithely through the shrubbery, hurdled a hedge, raced along a gravel path. . . .
Out of the darkness came the screams of men and women fleeing in panic before the bats. Wentworth owed his escape thus far from the poison vampires to the fact that all of the killers were hovering where the crowd was thickest. He realized this and saw, too, that the chase was leading directly toward the concourse of the amusement streets. Did the Bat Man then have some means of protection against his small assassins?
Changing his course, Wentworth ran parallel to the flight of his enemy. If he could outline him against the light from the thousand electric bulbs which still beckoned their invitation to the crowd, there would be an immediate end to this slaughter. As if the fugitive guessed his purpose, he doubled back on his trail and fled again toward the formal garden and the switchback.
As they turned, Wentworth saw the huge Boeing slant to a landing on the sands. It bounced violently, but did not loop. Wentworth guessed that June Calvert had never before handled so large a ship, certainly not at night. She had courage! He had a new proof of that fact almost at once. The ship, once landed, did not remain stationary, but turned toward the park and trundled forward, its propellers lashing the air. June intended to shelter as many fugitives as possible in the cabin. . . .
Now, at last, Wentworth caught a glimpse of the man he pursued. Good lord, the Bat Man still wore his wings! Wentworth flung lead after him, saw him trip and fall. A great shout welled out of the Spider's throat. He dashed forward, then abruptly, flung himself flat to the earth also. From the shadows ahead came the liquid pop of blowguns. The Bat Man had led him into an ambush!
Wentworth lifted his head and grimly leveled his automatic. He realized that the Indians were moving rapidly to surround him. They would close in slowly until sure that the Spider was dead. He had eleven cartridges and there were easily thirty Indians . . . !