'The girl beside the window looked up. She had straggly, waistlength, dirty blonde hair, very pale eyebrows and protuberant eyes that gave her a permanently surprised look. Harry knew at once why Neville had chosen to pass this compartment by. The girl gave off an aura of distinct dottiness. Perhaps it was the fact that she had stuck her wand behind her left ear for safekeeping, or that she had chosen to wear a necklace of Butterbeer corks, or that she was reading a magazine upside-down. Her eyes ranged over Neville and came to rest on Harry. She nodded.'