The ending is absolutely chilling. I remember seeing an illustration of the ghost when I was a child, long before I read the story. Well, I was inspired to take a bed sheet and a skull and try some creative photography:
I always imagined the ghost in the story to have a face that was a bit more defined- perhaps feminine at first, but then the fabric would sink back, hollowing out the eyes like a skull. Or maybe it would look like a piece of diaphanous sculpture (the Veiled Vestal Virgin by Raffaelle Monti):
More from my series of photos can be found in my Photo Album, "Oh, Whistle."