This darkness... showed that the projectile has passed the atmospheric strata, for the diffused light spread in the air would have been reflected on the metal walls, which reflection was wanting. This light would have lit the window, and the window was dark. Doubt was no longer possible; the travelers had left the earth. "I have lost," said Nicholl. "I congratulate you," replied Ardan. "Here are the nine thousand dollars," said the captain, drawing a roll of paper dollars from his pocket. "Will you have a receipt for it?" asked Barbicane, taking the sum. "If you do not mind," answered Nicholl; "it is more business-like."