ominously, "you will not fool me, Miss Glaum, and the sooner you realize the fact the better. I am going all the way with you if you give me any trouble, and if you don't answer my questions. I might tell you that unless this interview is a very satisfactory one to me I shall not only arrest Doctor van Heerden to-night but I shall take you as an accomplice."
"You can't, you can't." She almost screamed the words.
All the sullen restraint fell away from her and she was electric in the violence of her protest.
"Arrest him! That wonderful man! Arrest me? You dare not! You dare not!"
"I shall dare do lots of things unless you tell me what I want to know."
"What do you want to know?" she demanded defiantly.
"I want to know the most likely address at which your friend the doctor can be found—the fact is, Miss Glaum, the game is up—we know all about the Green Rust."
She stepped back, her hand raised to her mouth.
"The—the Green Rust!" she gasped. "What do you mean?"
"I mean that I have every reason to believe that Doctor van Heerden is engaged in a conspiracy against this State. He has disappeared, but is still in London. I want to take him quietly—without fuss."
Her eyes were fixed on his. He saw doubt, rage, a hint of fear and finally a steady light of resolution shining. When she spoke her voice was calm.
"Very good. I will take you to the place," she said.
She went out of the room and came back five minutes later with her hat and coat on.
"It's a long way," she began.
"I have a taxi at the door."
"We cannot go all the way by taxi. Tell the man to drive to Baker Street," she said.
She spoke no word during the journey, nor was Beale inclined for conversation. At Baker Street Station they stopped and the cab was dismissed. Together they
