Potts shakes his head.

"That's right," says the liveryman, "it don't do to take no chances with a hoof like that.

And we haven't got a thing else in the barn except that black horse, have we, Potts ?" "Everything else out," says Potts.

The liveryman walks away a few steps, and then turns suddenly.

"Hitch up the black, Potts," he says, with an air of sudden recklessness.