About an hour before sunset, Colonel Jerry rode furiously into the post. Her sweating pony was streaked with dust, and the colonel was covered with it from head to foot. Except for the rumpled and brief little corduroy skirt and bloomers, her clothing was an exact, if miniature, copy of her father’s. Her wide felt hat had its regulation cord and tassels, there were gauntlets on her small hands, and gaiters on her small legs. The sleeve of her boyish skirt carried its device, and she wore a cartridge belt, a…