Bram Stoker

“ As to seeing, we may presume the opposite, but in any case we must try to keep in the shade behind the tree-trunks. The slightest error would be fatal to us."
Adam only nodded, in case there should be any chance of the monster seeing the movement.
After a time that seemed interminable, they emerged from the circling wood. It was like coming out into sunlight by comparison with the misty blackness which had been around them. There was light enough to see by, though not sufficient to distinguish things at a distance. Adam's eyes sought the green light in the sky. ”

“ Everything was pitch dark--so dark that at times they had to feel their way by the palings and tree-trunks. They could still see, seemingly far in front of them and high up, the baleful light which at the height and distance seemed like a faint line. ”

“ Seeing where the head of the monster was, the two men ventured a little further forward, and saw that the hidden mass at the base of the shaft was composed of vast coils of the great serpent's body, forming a base from which the upright mass rose. As they looked, this lower mass moved, the glistening folds catching the moonlight, and they could see that the monster's progress was along the ground. ”