a bold one—she strikes. Possibly Hotchkiss is right about the left-hand blow. Harrington may have held her right hand, or perhaps she held the dirk in her left hand as she groped with her right. Then, as the man falls back, and his grasp relaxes, she straightens and attempts to get away. The swaying of the car throws her almost into your berth, and, trembling with terror, she crouches behind the curtains of lower ten until everything is still. Then she goes noiselessly back to her berth."
I nodded.
"It seems to fit partly, at least," I said. "In the morning when she found that the crime had been not only fruitless, but that she had searched the wrong berth and killed the wrong man; when she saw me emerge, unhurt, just as she was bracing herself for the discovery of my dead body, then she went into hysterics. You remember, I gave her some whisky.
"It really seems a tenable theory. But, like the Sullivan theory, there are one or two things that don't agree with the rest. For one thing, how did
