Thor measured this space, as he had measured the distance between him and the young bull caribou a few days before.

And then, without so much as a snarl of warning, he darted out upon his enemies with a suddenness that sent them flying wildly for their lives.
Thor did not stop.

He kept on.

Where the rock wall bulged out the trail narrowed to five feet, and he had measured this fact as well as the distance.

He caught the last dog, and drove it down under his paw.