CHAPTER XI. FLORIDA AND TEXAS CHAPTER XI. FLORIDA AND TEXASOne question remained yet to be decided; it was necessary to choose a favorable spot for the experiment. According to the advice of the Observatory of Cambridge, the g*n must be fired perpendicularly to the plane of the horizon, that is to say, toward the zenith. Now the moon does not traverse the zenith, except in places situated between 0° and 28° of latitude. It became, then, necessary to determine exactly that spot on the globe where the immense Columbiad should be cast. On the 20th of October, at a general meeting of the g*n Club, Barbicane produced a magnificent map of the United States. “Gentlemen,” said he, in opening the discussion, “I presume that we are all agreed that this experiment cannot and ought not to be tried