This must be the Edward Prendick mentioned in Catherine’s story and Professor Van Helsing’s letter?” “Certainly,” said Holmes. “I don’t know if you saw his face as we passed, Miss Jekyll, but his hair was not gray from age. Whatever he has endured, it has marked him forever.” No, she had not noticed Prendick’s face. Mary felt a sense of consternation. She simply must become more observant, like Mr. Holmes.