At the close of the first volume of our entertaining and veracious history, we left this most devoted friend and admirer of Barbican established firmly at his post on the summit of Long's Peak, beside the Great Telescope, watching the skies, night and day, for some traces of his departed friends. There, as the gracious Reader will also remember, he had come a little too late to catch that sight of the Projectile which Belfast had at first reported so confidently, but of which the Professor by degrees had begun to entertain the most serious doubts. In these doubts, however, Marston, strange to say, would not permit himself for one moment to share. Belfast might shake his head as much as he pleased; he, Marston, was no fickle reed to be shaken by every wind; he firmly believed the Projectil