The words "possible" and "impossible" always grated on Ardan's ears. If he had been a lexicographer, he would have rigidly excluded them from his dictionary, both as meaningless and useless. He was preparing an answer for Barbican, when he was cut out by a sudden observation from M'Nicholl. "See here, friends!" cried the Captain; "this going to the Moon is all very well, but how shall we get back?" His listeners looked at each other with a surprised and perplexed air. The question, though a very natural one, now appeared to have presented itself to their consideration absolutely for the first time. "What do you mean by such a question, Captain?" asked Barbican in a grave judicial tone. "Mac, my boy," said Ardan seriously, "don't it strike you as a little out of order to ask how you are