This was the signal for yet wilder frenzies on the part of the Indians. One after another the young braves cast off their blankets and rushed forward to repeat the nauseous performance of the snake eater. The ground at the feet of the chanters of the ritual was littered with limp reptiles' bodies. An overpowering, musky stench arose on the air, the odor of scores of burnt envenomed heads. In the midst of that maddened throng there was but one quiet, unmoved countenance, and that was that of a bearded man, who stood back some distance in the shadows. He eyed the ceremonies with a look that was half contempt and half pity. But he made no motion to interfere, nor did he, in fact, move at all. And for a very good reason. He was bound hand and foot to a post. His face was white as ashes under its deep bronze, but not from fear, for not a tremor crossed his features. Perhaps a deep wound on the back of his head accounted for it. But Jeffries Mayberry--for our readers must have already recognized the Indian agent--never knew less fear than he experienced as he stood at that moment, captive among a dangerous tribe, rendered doubly formidable as they were by copious doses of cheap liquor and religious frenzy. The Indian agent knew well that the rattlers which the young braves were beheading were far less harmful than the human beings, of whom he was, perhaps, the only self-possessed one in that rocky bowl. But if Jeffries Mayberry gazed on the ceremonies with contempt, mingled with pity, there was another in the valley who regarded them with almost similar feelings. That person was Black Cloud. The old chieftain had made as stiff a fight as he dared for Jeffries Mayberry's liberation, but had been hooted and jeered down. Diamond Snake was now in full control of the passions and adulation of the tribe, and Black Cloud, the only friend Jeffries Mayberry had within it, at that moment gazed powerlessly on the snake dance. One friendly turn, however, he had been able to do for his white friend, and that was to dispatch the messenger to the ranch of Mr. Harkness. But as Black Cloud, not daring to raise a voice of protest, gazed on the dance, his mind was busy with intense speculation. Even in the event of Mr. Harkness having been reached, it was doubtful if the rancher would arrive in time. The old Indian recognized the symptoms of an approaching climax in the ceremonies, and what that climax was to be he guessed only too well. No white man had ever seen the snake dance of the Moquis and lived to tell of it, if his presence were known. That Jeffries Mayberry was to share the fate of many another unfortunate victim in the tribe's past history, was what Black Cloud feared. That his fears were well grounded we shall presently see. Suddenly the frenzy died down with the same rapidity with which it had arisen. Above the rim of the rocky basin the silvery edge of the new moon had shown. The height of the excitement was at hand.