Whenever Ranger quickened his gait or crossed a ditch she held on to the pommel to keep from falling off.

Her mind harbored only sensations of misery, and a persistent thought--why did she ever leave home for the West?
Her solicitude for Bo had been forgotten.

Nevertheless, any marked change in the topography of the country was registered, perhaps photographed on her memory by the torturing vividness of her experience.
The forest grew more level and denser.

Shadows of twilight or gloom lay under the trees.

Presently Dale and Roy, disappeared, going downhill, and likewise Bo.