Straybismus is dead easy.

I never did operate on no horse, but I've got to eat, and if this here is the only patient in this whole blamed country, why I'll have to go you, if it's only for the sake of science,' says he.

Then we all bunched in together and drifted off toward the corral, where old Pinto was standin', lookin' hopeless and thoughtful.

'Is this the patient ?' says the Doc, sort of sighin'.
"'It are,' says Tom Redmond.
"Doc he walks up to old Pinto, and has a look at him, frontways, sideways, and all around.

Pinto raises his head up, snorts, and looks Doc full in the face; leastwise, if he'd 'a' been any other horse, he'd 'a' been lookin' him full in the face.