CHAPTER IV A GREEN MAN'S CAPTIVE When the light of day broke upon the little craft to whose deck the Princess of Ptarth had been snatched from her father's garden, Thuvia saw that the night had wrought a change in her abductors. No longer did their trappings gleam with the metal of Dusar, but instead there was emblazoned there the insignia of the Prince of Helium. The girl felt renewed hope, for she could not believe that in the heart of Carthoris could lie intent to harm her. She spoke to the warrior squatting before the control board. "Last night you wore the trappings of a Dusarian," she said. "Now your metal is that of Helium. What means it?" The man looked at her with a grin. "The Prince of Helium is no fool," he said. Just then an officer emerged from the tiny cabin. He repr