eight hundred slaves go down by steps through caverns into vaults beneath the lake. Four hundred of them carrying purple lights march one behind the other, from east to west, and four hundred carrying green lights march one behind the other, from west to east. The two lines cross and re-cross each other in and out as the slaves go round and round, and the fearful fish flash up and down and to and fro.'
But upon that traveller speaking night descended, solemn and cold, and we wrapped ourselves in our blankets and lay down upon the sand in the sight of the astral sisters of Babbulkund. And all that night the desert said many things, softly and in a whisper, but I knew not what he said. Only the sand knew and arose and was troubled and lay down again, and the wind knew. Then, as the hours of the night went by, these two discovered the foot-tracks wherewith we had disturbed the holy desert, and they troubled over them and covered them up; and then the wind lay down and the sand rested. Then the wind rose again and the sand danced. This they did many times. And all the while the desert whispered what I shall not know.
Then I slept awhile and awoke just before sunrise, very cold. Suddenly the sun leapt up and flamed upon our faces; we all threw off our blankets and stood up. Then we took food, and afterwards started southwards, and in the heat of the day rested, and
