He was in fast water to his chest, struggling along on tiptoe gingerly and leaning upstream when a log came steaming into the flat. He saw it coming and began to curse. It spun broadside to him and it came on with something of animate ill will. Git, he screamed at it, a hoarse croak in the roar of the water. It came on bobbing and bearing in its perimeter a meniscus of pale brown froth in which floated walnuts, twigs, a slender bottle neck erect and tilting like a metronome.

