around it whichever way it darted, trying to create so dense a prison that further movement would be impossible. As far as Maskull could detect, most of the sparks succeeded eventually in finding their way out after frantic efforts; but one that he was looking at was caught, and what happened was this. A complete ring of cloud surrounded it, and, in spite of its furious leaps and flashes in all directions—as if it were a live, savage creature caught in a net—nowhere could it find an opening, but it dragged the
