Poe would later incorporate this ability to observe small details in his character C. Auguste Dupin .
For example , he notices that a man 's ear sticks out a small amount , indicating he must be a clerk who stores his pen behind his ear .
clerk would later incorporate this ability to observe small details in clerk 's character C. Auguste Dupin .
For example , he notices that a man 's ear sticks out a small amount , indicating he must be a clerk who stores his pen behind his ear .