He considered us again.

"Show me, strangers, where you came through the rock," he commanded. We led the way to where we had emerged from the well of the stairway.

"It was here," I said, tapping the cliff.

"But I see no opening," he said suavely.

"It closed behind us," I answered; and then, for the first time, realized how incredible the explanation sounded. The derisive gleam passed through his eyes again. But he drew his poniard and gravely sounded the rock.

"You give a strange turn to our speech," he said. "It sounds strangely, indeed—as strange as your answers." He looked at us quizzically. "I wonder where you learned it! Well, all that you can explain to the Afyo Maie." His head bowed and his arms swept out in a wide salaam. "Be pleased to come with me!" he ended abruptly.

"In peace?" I asked.

"In peace," he replied—then slowly—"with me at least."

"Oh, come on, Doc!" cried Larry. "As long as we're here let's see the sights. Allons mon vieux!" he called gaily to the green dwarf. The latter, understanding the spirit, if not the words, looked at O'Keefe with a twinkle of approval; turned then to the great Norseman and scanned him with admiration; reached out and squeezed one of the immense biceps.

"Lugur will welcome you, at least," he murmured as though to himself. He stood aside and waved a hand courteously, inviting us to pass. We crossed. At the base of the span one of the elfin shells was waiting.