There was almost no variation in the measurements.

Only occasionally after this did they find spots of blood.

It was ten o'clock when they came to the clay wallow and saw where Thor had made his bed in it.
"He was pretty sick," said Bruce in a low voice.

"He was here most all night." Moved by the same impulse and the same thought, they looked ahead of them.
Half a mile farther on the mountains closed in until the gorge between them was dark and sunless.
"He was pretty sick," repeated Bruce, still looking ahead.

"Mebbe we'd better tie the horses an' go on alone.