"But what about the millions?" I asked. "The princess's jewels?"

"They were in the safe. I remember seeing the parcel."

"Well?"

"They are there still."

"Impossible!"

"They are, upon my word! I might tell you that I was afraid of the detectives, or else plead a sudden attack of delicacy. But the truth is simpler ... and more prosaic: the smell was too awful!..."

"What?"

"Yes, my dear fellow, the smell that came from that safe ... from that coffin.... No, I couldn't do it ... my head swam.... Another second and I should have been ill.... Isn't it silly?... Look, this is all I got from my expedition: the tie-pin.... The bed-rock value of the pearl is thirty thousand francs.... But all the same, I feel jolly well annoyed. What a sell!"

"One more question," I said. "The word that opened the safe!"

"Well?"