Then, when her nose began to bleed, she realized that it was the elevation which was causing all the trouble.
Her heart, however, did not hurt her, though she was conscious of an oppression on her breast.
At last Roy led into a ravine so deep and wide and full of forest verdure that it appeared impossible to cross.

Nevertheless, he started down, dismounting after a little way.

Helen found that leading Ranger down was worse than riding him.

He came fast and he would step right in her tracks.

She was not quick enough to get away from him.