This scene opens in a gloomy and unearthly atmosphere. List some of the clues that suggest this atmosphere.

Notice the dark, grey, and gothic imagery in the quote below:

He indistinctly beheld a form under the trees, clad in garments so sombre, and so little relieved from the gray twilight into which the clouded sky and the heavy foliage had darkened the noontide, that he knew not whether it were a woman or a shadow. It may be, that his pathway through life was haunted thus, by a spectre that had stolen out from among his thoughts. ch 17