"What is it?" he cried. "See anybody?" He peered on ahead through the gathering twilight.
"No, no."
"Hear anything?"
"No, didn't hear anything."
"What is it then? What's up?"
"I don' know, I don' know," muttered the dentist, lowering the rifle. "There was something."
"What?"
"Something — didn't you notice?"
"Notice what?"
"I don' know. Something — something or other."