It's rather like a Poe story, isn't it,' said Patrick luxuriously, unfocusing his eyes. 'A person sees the chance of a better life passing by, and he makes as if to call out' - he flung one arm in the imploring gesture of a soul in torment - 'but something in his nature makes him hesitate. He pauses ... he closes his lips ... he steps back ... and then he slides down, and down, and down.