that matter why should any murderer laugh? The whistle might have been a signal to some one outside."
"Except that, in this case, it wasn't. My dear, the laughter and the whistle are the easiest parts of the mystery. What I want to know is, where is the key to the door? It was in the lock when Miss Denton went up-stairs the second time."
"Where, indeed, is it? That would show a good deal."
"If you'll come with me, I'll show it to you. But first I think we had better get Mr. Masson. I may need a little help in a few moments. Will you kindly call him? I'll be in the stable."
As Valeska left, the palmist strolled slowly over to the stable and looked in the great door. In the center of the floor stood a large brown touring-car. A young man in overalls was polishing the brass work.
Astro nodded. "A very fine-looking machine," he offered. "A Lachmore, isn't it?"
The chauffeur grunted and kept on with his work.
"I am a friend of Mr. Masson's," Astro went on, "and I should like to look over this car. I am thinking of getting one myself some day."
Still the young man did not answer except by inarticulate grunts.
Astro drew nearer. "What's the matter with your finger?" he asked abruptly.
The young man looked up, now angrily, as if about to make a discourteous retort. Seeing Masson approaching, however, he replied, "Oh, it got jammed in the machine a day or two ago. What's that to you?"
"I'd like to see it. I can cure it. I am a healer."
Astro extended his hand suavely.
