The intelligent animal, with a snort, plunged out of the trail to keep from stepping on her.

Then he was above her.
"Lookout down there," yelled Roy, in warning.

"Get on the up side!" But that did not appear possible.

The earth began to slide under Ranger, and that impeded Helen's progress.

He got in advance of her, straining on the bridle.
"Let go!" yelled Roy.
Helen dropped the bridle just as a heavy slide began to move with Ranger.