"You were right," said Patrice. "You have been right all through, from start to finish. I see it all now, as a whole and in every detail. Only one point remains: the golden triangle. How did you find out the truth? What was it that brought you to this sand–heap and enabled you to save Coralie from the most awful death?"
"Oh, that part was even simpler," replied Don Luis, "and the light came almost without my knowing it! I'll tell it you in a few words. But let us move away first. M. Masseron and his men are becoming a little troublesome."
The detectives were distributed at the two entrances to Berthou's Wharf. M. Masseron was giving them his instructions. He was obviously speaking to them of Don Luis and preparing to accost him.
"Let's get on the barge," said Don Luis. "I've left some i
