"Why, I don't think I ever noticed."

He turned to me angrily. "Why didn't you notice?" he snapped. "Good God, woman, do you only use your eyes to cry with? How can you wind a clock, time after time, and not know the maker's name? It proves my contention: the average witness is totally unreliable."

"Not at all," I snapped, "I am ordinarily both accurate and observing."

"Indeed!" he said, putting his hands behind him. "Then perhaps you can tell me the color of the pencil I have been writing with."

"Certainly. Red." Most pencils are red, and I thought this was safe.

But he held his right hand out with a flourish. "I've been writing with a fountain pen," he said in deep disgust, and turned his back on me.

But the next moment he had run to the wash-stand and pulled it out from the wall. Behind it, where it had fallen, lay a towel, covered with stains, as if some one had wiped bloody hands on it. He held it up, his face working with excitement. I could only cover my eyes.

"This looks better," he said, and began making a quick search of the room, running from one piece of furniture to another, pulling out bureau drawers, drawing the bed out from the wall, and crawling along the base-board with a lighted match in his hand. He gave a shout of triumph finally, and reappeared from behind the bed with the broken end of my knife in his hand.

"Very clumsy," he said. "Very clumsy. Peter the dog could have done better."

I had been examining the wall-paper about the wash-stand. Among the ink-spots were one or two reddish ones that made me shiver. And seeing a scrap of note-paper stuck between the base-board and the wall, I dug it out with a hairpin, and threw it into the grate, to be burned later. It was by the merest chance there was no fire there. The next moment Mr. Holcombe was on his knees by the fireplace reaching for the scrap.

"Never