"and I have to ride to the stockade to warn the settlers that the Indians are coming. I'm tired of playing Indian myself. I want to be the Black Scout."
"All right," says I. "It sounds harmless to me. I guess Mr. Bill will help you foil the pesky savages."
"What am I to do?" asks Bill, looking at the kid suspiciously.
"You are the hoss," says Black Scout. "Get down on your hands and knees. How can I ride to the stockade without a hoss?"
"You'd better keep him interested," said I, "till we get the scheme going. Loosen up."
Bill gets down on his all fours, and a look comes in his eye like a rabbit's when you catch it in a trap.
"How far is it to the stockade, kid?" he asks, in a husky manner of voice.
"Ninety miles," says the Black Scout. "And you have to hump yourself to get there on time. Whoa, now!"
The Black Scout jumps on Bill's back and digs his heels in his side.
"For Heaven's sake," says Bill, "hurry back, Sam, as soon as you can. I wish we