Mulvaney seemed to have heard the approaching sounds also. He came running from some point on the opposite side of the pavilion, cutting through the columned structure itself as he returned to Bryan. His burly figure appeared on the pavilion steps—and then halted in amazed surprise as he caught sight of the eerily glowing shapes that were now winging downward.

Eagerness had pulled Bryan to his feet. The soaring figures were rapidly coming closer, growing more distinct. He saw the giant bird and its escort of mosquito-men. He saw Leeta, slender-limbed, elfin, her gossamer draperies fluttering behind her.

The appearance of Mulvaney momentarily tore his attention from the scene. He realized that the patrolman was silhouetted against the pavilion's pale backdrop—a clear target. Leeta and the others would be drawn to him, unaware this time that possible great danger impended.

Anxiety hammering within him, Bryan launched himself into a headlong run toward Mulvaney. Already two of the mosquito-men were pulling ahead of the others, skimming directly at the patrolman.

Mulvaney seemed to overcome the shock produced by his first sight of the approaching shapes. He reached swiftly for his gun, raised it in deliberate aim—fired. There was a burst of luminous brightness. One of the two onrushing child-like winged figures was abruptly gone—gone as swiftly and completely as though it had never been visible.

Bryan stumbled in his frantic stride, caught himself, numbed by a sudden dismay. Leeta and her people could be hurt! It was as though the glowing energy of which they seemed composed existed in a state of delicate balance that could be disrupted by the impact of a bullet or its shock-wave.

He reached the pavilion steps, leaped up them toward Mulvaney. He had to keep the man from firing again. Somehow he had to show Leeta that his intentions were friendly, sympathetic. He had to talk to her, make her realize what she had been doing. Perhaps, even, he could help her.

Mulvaney's blue-clad body loomed up before him. He caught desperately at the patrolman's arm.

"Wait!" he gasped. "Don't shoot!"