“Do you know any reason why he should commit suicide?”

“None.”

“He held a card in his hand. It was your card with your address.”

“I do not understand that. It must have been there by some chance that will be disclosed by the investigation.”

A very strange chance, I thought; and I felt that the others entertained the same impression.

I discovered the same impression in the papers next day, and amongst all my friends with whom I discussed the affair. Amid the mysteries that enveloped it, after the double discovery of the seven of hearts pierced with seven holes, after the two inscrutable events that had happened in my house, that visiting card promised to throw some light on the affair. Through it, the truth may be revealed. But, contrary to our expectations, Mon. Andermatt furnished no explanation. He said: