WE WAITED. FROM ACROSS the gully there was no sound. I could see now that there was a little ridge in the broken, littered gully floor, behind which the two figures had vanished. A lateral depression was there, with the ragged, broken cliff-wall some ten feet behind it. “Do you suppose there’s only one of them?” Jan whispered. “One man—and that girl—” “And that—that Thing in flames—” There was no sign of the animal-like creature. For another moment we crouched tense, peering, listening. A loose stone the size of my fist was here beside us. I picked it up. It was weirdly heavy for its size. Then I flung it out into the gully to the right of us. It fell with a clatter. Our enemy was there all right. An arrow whizzed in the darkness and struck near where the stone had fallen. Jan laughed