SparkNotes: The Birthmark: Analysis of Major Characters

http://www.sparknotes.com/short-stories/the-birthmark/canalysis.html

This article shows tells not only about the characters but also their symbolism. "Aylmer is a character, of course, but he also functions as a symbol of intellect and science." This article also states not only a summary of the story but the underlying purpose of reading it.