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"You did it very nicely, Doctor," he remarked. "Nothing could

have been better. It is all right."

"You have the photograph?"

"I know where it is."

"And how did you find out?"

"She showed me, as I told you she would."

"I am still in the dark."

"I do not wish to make a mystery," said he, laughing. "The matter

was perfectly simple. You, of course, saw that everyone in the

street was an accomplice. They were all engaged for the evening."

"I guessed as much."

"Then, when the row broke out, I had a little moist red paint in

the palm of my hand. I rushed forward, fell down, clapped my hand

to my face, and became a piteous spectacle. It is an old trick."

"That also I could fathom."