He could not believe such an orgie of wickedness possible. A Pagan emperor might have been capable of these things, but to-day—wondrous is our faith in the virtue of "to-day!"

"Am I mad?" he whispered hoarsely, "or—"

A thinly-veiled shape seemed to float out from that still form in the shadows; it assumed definite outlines; it became a woman, beautiful with a beauty that could only be described as awful.

She wore upon her brow the uraeus of Ancient Egyptian royalty; her sole garment was a robe of finest gauze. Like a cloud, like a vision, she floated into the light cast by the tripod.

A voice—a voice which seemed to come from a vast distance, from somewhere outside the mighty granite walls of that unholy place—spoke. The language was unknown to Sime, but the fierce hand-grip upon his wrist grew fiercer. That dead tongue, that language unspoken since the dawn of Christianity, was known to the man who had been the companion of Sir Michael Ferrara.

In upon Sime swept a swift conviction—that one could not witness such a scene as this and live and move again amongst one's fellow-men! In a sort of frenzy, then, he wrenched himself free from the detaining hand, and launched a retort of modern science against the challenge of ancient sorcery.

Raising his Browning pistol, he fired—shot after shot—at that bat-like shape which stood between himself and the tripod!

A thousand frightful echoes filled the chamber with a demon mockery, boomed along those subterranean passages beneath, and bore the conflict of sound into the hidden places of the pyramid which had known not sound for untold generations.

"My God—!"

Vaguely he became aware that Dr. Cairn was seeking to drag him away. Through a cloud of smoke he saw the black-robed figure turn; dream fashion, he saw the pallid, glistening face of Antony Ferrara; the long, evil eyes, alight like the eyes of a serpent, were fixed upon him. He seemed to stand amid a chaos, in a mad world beyond the borders of reason, beyond the dominions of God. But to his stupefied mind one astounding fact found access.