Opal Lamont was handsome, with a fine figure and a bright face; but her eyes seemed full of fire, and unnatural fire at that.

Spying the detective, she advanced haughtily and faced him.

“Are you going to hold an interview with this man?” she asked her father.

“I presume he is here to see me.”

“I’ll remain,” answered Opal, and the next moment she dropped into a chair and turned her face to the detective.

Her manner was positive, if not insulting, and the detective swallowed it mutely.

Perry Lamont seemed rejoiced to have his daughter beside him.

It made him look triumphantly at Carter, and for a moment a smile of victory appeared at his mouth.

“Now, sir, we’ll proceed,” he said. “Your mission here you can make known and we will listen.”

“You remember that I am on the trail of the person who killed Mother Flintstone?”