Page:The Poison Belt - Conan Doyle, 1913.djvu/186

 Rh  made preparation, same as old friend Challenger did."

"That, I think, is hardly probable," said Challenger, projecting his beard and sinking his eyelids. "The combination of observation, inference, and anticipatory imagination which enabled me to foresee the danger is what one can hardly expect twice in the same generation."

"Then your conclusion is that everyone is certainly dead?"

"There can be little doubt of that. We have to remember, however, that the poison worked from below upwards, and would possibly be less virulent in the higher strata of the atmosphere. It is strange, indeed, that it should be so; but it presents one of those features which will afford us in the future a fascinating field for study. One could imagine, therefore, that if one had to search for survivors one would turn one's eyes with best hopes of success to some Tibetan village or some Alpine