In the midst of the prayer a fly had lit on the back of the pew in front of him and tortured his spirit by calmly rubbing its hands together, embracing its head with its arms, and polishing it so vigorously that it seemed to almost part company with the body, and the slender thread of a neck was exposed to view; scraping its wings with its hind legs and smoothing them to its body as if they had been coat-tails; going through its whole toilet as tranquilly as if it knew it was perfectly safe.