CHAPTER XThe Wrong She Daylight glimmered ahead, the grey half-daylight which was all these drifting lands ever knew. The boat glided under an archway and Boyce caught his breath at sight of what rose before them. It was a great round tower that seemed to be all of filigree, story upon story of it, the interstices glazed with sparkling crystal. Its wall rose straight from the center of a moat-like lake. Within Boyce could see dimly the shadows of moving figures here and there, no more than animate blurs upon the filigree walls. A tower of glass, he thought. And Guillaume had worn a collar of glass. Was there a connection there, or did all the City use glass-work in its building and its magic? He remembered now that he had broken through glass to enter this curious world. The boat moved

