Hazelton could now see every line of his adversary plainly, though he could not make out the fellow's face.
"You'd better get up and talk," warned Harry, poising the rock fragment for a throw.

"If you don't you'll cast all the more suspicion upon yourself.

For the last time, my man, who are you and what are you doing here ?" The huge black figure might have been a log for all the answer that came forth.
"All right, then; it's your own fault," Harry Hazelton continued calmly.
"As you won't speak I'm going to crack the nut for myself.

Your head will be the nut, and this rock I have in my hand shall be the hammer.

I'm going to slam this rock on your head with all the force I've got, and I'm a good, straight thrower." Yet, though Hazelton spoke with such confidence, he was far from meaning all he said.