Gradually and mistily it became apparent that the Most Ancient One was holding something--some object clutched in the outflung folds of his robe as if for the sight, or what answered for sight, of the cloaked Companions. It was a large sphere or apparent sphere of some obscurely iridescent metal, and as the Guide put it forward a low, pervasive half-impression of sound began to rise and fall in intervals which seemed to be rhythmic even though they followed no rhythm of earth. There was a suggestion of chanting--or what human imagination might interpret as chanting. Presently the quasi-sphere began to grow luminous, and as it gleamed up into a cold, pulsating light of unassignable colour Carter saw that its flickerings conformed to the alien rhythm of the chant. Then all the mitred, sceptre-bearing Shapes on the pedestals commenced a slight, curious swaying in the same inexplicable rhythm, while nimbuses of unclassifiable light--resembling that of the quasi-sphere--played round their shrouded heads