"Dejah Thoris, daughter of Mors Kajak of Helium." "And the nature of your expedition?" he continued. "It was a purely scientific research party sent out by my father's father, the Jeddak of Helium, to rechart the air currents, and to take atmospheric density tests," I replied, using my best low, well-modulated voice. "We were unprepared for battle, as we were on a peaceful mission, as our banners and the colors of our craft denoted. The work we were doing was as much in your interests as in ours, for you know full well that were it not for our labors and the fruits of our scientific operations there would not be enough air or water on Mars to support a single human life. For ages we have maintained the air and water supply at practically the same point without an appreciable loss, and we have done this in the face of the brutal and ignorant interference of your green men."