POIROT INVESTIGATES
Poirot locked the door on the inside, and proceeded to a minute inspection of the room. He darted from one object to the other with the agility of a grasshopper. I remained by the door, fearing to obliterate any clues. Poirot, however, did not seem grateful to me for my forbearance.
"What have you, my friend?" he cried, "that you remain there like—how do you say it?—ah, yes, the stuck pig?"
I explained that I was afraid of obliterating any foot-marks.
"Foot-marks? But what an idea! There has already been practically an army in the room! What foot-marks are we likely to find? No, come here and aid me in my search. I will put down my little case until I need it."
He did so, on the round table by the window, but it was an ill-advised proceeding; for, the top of it being loose, it tilted up, and precipitated the despatch-case on the floor.
"En voilà une table!" cried Poirot. "Ah, my friend, one may live in a big house and yet have no comfort."
After which piece of moralizing, he resumed his search.
A small purple despatch-case, with a key in the lock, on the writing-table, engaged his attention for some time. He took out the key from the lock, and passed it to me to inspect. I saw noth-
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