delight in deviling McIlvaine, and I was sent out to see the old fellow again. "You see "You couldn't doubt his sincerity. And yet he didn't sound touched." "But, of course, that part about the insect-like dwellers of the star comes straight out of Wells, doesn't it?" I put in. "Wells and scores of others," agreed Harrigan. "Wells was probably the first writer to suggest insectivorous inhabitants on Mars; his were considerably larger, though." "Go on." "Well, I talked with McIlvaine for quite a while. He told me all about their civilization and about his friend, Guru. You might have thought he was talking about a neighbor of his I had only to step outside to meet. "Later on, I dropped around at Bixby's and had a talk with the boys there. Richardson let me in on a secret. He had decided to rig up a connection to McIlvaine's machine and do a little talking to the old fellow, making him believe Guru was coming through in English. He meant to give McIlvaine a harder time than ever, and once he had him believing everything he planned to say, they would wait for him at Bixby's and let him make a fool of himself. "It didn't work out quite that way, however...." "McIlvaine, can you hear me?" McIlvaine started with astonishment. His mental impression of Guru became confused; the voice speaking English came clear as a bell, as if from no distance at all. "Yes," he said hesitantly. "Well, then, listen to me, listen to Guru. We have now had enough information from you to suit our ends. Within twenty-four hours, we, the inhabitants of Ahli, will begin a war of extermination against Earth...." "But, why?" cried McIlvaine, astounded. The image before his mind's eye cleared. The cold, precise features of Guru betrayed anger. "There is interference," the thought-image informed him. "Leave the machine for a few moments, while we use the disintegrators." Before he left the machine,