The vapor rolled sullenly away; the form of the plumed fire was again dimly visible, and its struggling and perturbed reflection again shed a glow over the horrors of the path.

Glyndon recovered himself, and sped onward.

Below, he heard the voice of Merton calling on him, though he no longer saw his form.

The sound served as a guide.

Dizzy and breathless, he bounded forward, when hark! a sullen, slow, rolling sound in his ear! He halted, and turned back to gaze.