Suddenly a shrill whistle made him start so violently that he almost lost his balance, and clutched at the loosened bridle to save himself from falling. Looking in the direction of the whistle, he saw two big bare feet dangling from a sycamore limb that hung half-way across the stream. Glancing up, he saw the owner of the feet. It was Coon Mills, the laziest, most "trifling" fellow in that part of the country--so everybody said.