It was neither night nor day, but a sort of nether world of twilight. The huge fern-like plants, flashing phosphorescence under the green corona light, seemed to close in after Cappy Upjohn and Terry Hall like prison bars in the windows of a dungeon. Cappy, who was leading the way, paused and waited for Terry. As the huge, leonine man turned, his lips curled into a taunting smile. Terry's eyes moved from side to side, watching the weird shadows, dodging the sweep of the giant ferns as they moved