About a deep pit, filled to the brim with red-hot, glowing coals, swayed a long line of naked, copper-colored bodies. The glow of the flaming torches illuminated weirdly the surroundings. Steep, rocky walls, bare of timber or vegetation, and the flat, basin-like floor of the deep depression in the mountains formed the secret valley of the Moqui snake dancers. In lines behind the braves, who were swaying their lithe bodies so rhythmically above the red-hot pit, were grouped scores of stolid-faced Indians. By not the twitch of a single muscle did they display the frenzy that was already at work within them, but their beady, dark eyes glittered as they watched the weird gyrations of the swaying line above the fire. All at once a low chant arose from the line. Its regular rhythm and booming inflection marked it as being of religious character. Steadily it grew in volume, till half the Indians in that rock-bound basin in the hills were intoning it. As the line of chief chanters swayed back and forth, from time to time the firelight gleamed on a row of earthen vessels, quaintly illuminated, which stood behind them. Suddenly one of the dancers turned, and while the shrieks of his fellows grew more and more frenzied, he plunged his hand into the mouth of one of the vessels. He drew his arm forth again, embellished by a hideous ornament--a writhing, struggling diamond-back rattler! The creature's flat head darted at the man's face, and its fangs seemed to bury themselves in his arm, but his bronze form danced more furiously than ever, and the singing grew louder and more frenzied. The Moqui had reached a pitch of exaltation in which the venom of the serpent was harmless to him. As the other Indians witnessed the sight their expression of stoicism changed as if by magic. The excitement of the dance was upon them. Suddenly a blood-curdling yell echoed against the rock-bound walls. A young brave, one of those who had been seated in the front row of the onlookers, sprang to his feet. He cast off his blanket with a shout, standing upright in the firelight, a nude figure of bronze. The play of his muscles showed plain as day in the glare of the glowing pit. Straight up to the earthen jars he gyrated, chanting the refrain of the weird ritual. Uttering a wild screech, he plunged his arm up to the elbow into its wriggling, deadly contents, and drew forth a vicious-looking sidewinder, or desert rattlesnake--a distinct species from the big diamond-back--and even more deadly. Without the slightest hesitation, he thrust the monster's spade-shaped head into his mouth, and with one clean bite severed it. He then spat it forth into the glowing pit, where it fell hissing. [Illustration: Uttering a wild screech, he drew forth a vicious-looking desert rattlesnake.]