“Wall,” said Bill, slowly, “what ar ye drivin’ at?”
“I am trying to demonstrate my belief that at night a man can safely cross that valley by keeping out of the way of those balls of fire which are a guide to one. Of course, in the daytime, one does not see the gas, and sooner or later must walk into it and be overcome.”
The trapper was now deeply impressed with the logic of Frank’s remarks.
He scratched his head thoughtfully.
“Wall, I swow!” he grunted. “Mebbe yu’re right. I never cud study out any of them scientific matters anyway.”
“I will take my oath that I am right,” declared Frank, confidently. “Indeed I am so sure of it that I am going down there and try the experiment.”
The trapper placed a hand on Frank’s arm.
“Fer God’s sake, pard, don’t venture inter that hole,” he remonstrated. “It’s sartin ter be death.”
But Frank only laughed.
“You will see that I am right,” he cried. “I will demonstrate that fact to you very quickly, my friend.”