Page:The Poison Belt - Conan Doyle, 1913.djvu/135

 106  I remarked. "The world is dead. Cremation is surely the best burial."

"It would shorten us up if this house went ablaze."

"I foresaw the danger," said Challenger, "and asked my wife to guard against it."

"Everything is quite safe, dear. But my head begins to throb again. What a dreadful atmosphere!"

"We must change it," said Challenger. He bent over his cylinder of oxygen.

"It's nearly empty," said he. "It has lasted us some three and a half hours. It is now close on eight o'clock. We shall get through the night comfortably. I should expect the end about nine o'clock to-morrow morning. We shall see one sunrise, which shall be all our own."

He turned on his second tube and opened for half a minute the fanlight over the door. Then as the air became perceptibly better, but our own symptoms more acute, he closed it once again.