At the end of an hour's time, he climbed to the top of a tram-car that was starting for Neuilly. Shears climbed up also and sat down behind the fellow, at some little distance, beside a gentleman whose features were concealed by the newspaper which he was reading. When they reached the fortifications, the newspaper was lowered, Shears recognized Ganimard and Ganimard, pointing to the fellow, said in his ear:

"It's our man of last night, the one who followed Bresson. He's been hanging round the square for an hour."

"Nothing new about Bresson?"

"Yes, a letter arrived this morning addressed to him."

"This morning? Then it must have been posted yesterday, before the writer knew of Bresson's death."

"Just so. It is with the examining magistrate, but I can tell you the exact words: 'He accepts no compromise. He wants everything, the first thing as well as those of the second business. If not, he will take steps.' And no signature," added Ganimard. "As you can see, those few lines won't be of much use to us."

"I don't agree with you at all, M. Ganimard: on the contrary, I consider them very interesting."

"And why, bless my soul?"

"For reasons personal to myself," said Shears, with the absence of ceremony with which he was accustomed to treat his colleague.

The tram stopped at the terminus in the Rue du Château. The man climbed down and walked away quietly. Shears followed so closely on his heels that Ganimard took alarm: