"Rutherford arches his neck toward her outstretched hand. Freckles of light float across his patchy hindquarters. He licks the girl's palm according to a code that he's worked out: - - - -, which means that he is Rutherford Birchard Hayes, the nineteenth president of the United States of America, and that she should alert the local officials. "Ha-ha!" the girl laughs. "That tickles."