Ben peered at the Professor from behind his bushy eyebrows, with suspicion plainly written in his beady eyes.
"What for?" he grunted.
"That I cannot tell you—in fact it is not necessary for you to know. When you get there, all you will be required to do will be to hand two packages to the express agent there, with instructions to forward them at once to their destination, which will be Denver."
"What'll you give?"
"How much will you charge?" asked the Professor.
Ben considered for a moment.
"'Bout fifty cents, I reckon," he answered hesitatingly, as if thinking the amount named would be too much.
"I'll give you five times that," announced the Professor promptly.
"No; fifty cents 'll be 'bout right."
"How soon can you start?"