"Let's go there. We've no time to lose."

"Splendid, Chief! You're yourself again."

"Well, of course! As long as there was nothing to do I was waiting for this evening and resting, for I can see that the fight will be tremendous. But, as the enemy has blundered at last, as he's given me a trail to go upon, there's no need to wait, and I'll get ahead of him. Have at the tiger, Mazeroux!"

* * * * *

It was one o'clock in the afternoon when Don Luis and Mazeroux arrived at the nursing-home in the Avenue des Ternes. A manservant opened the door. Mazeroux nudged Don Luis. The man was doubtless the bearer of the letter. And, in reply to the sergeant's questions, he made no difficulty about saying that he had been to the police office that morning.

"By whose orders?" asked Mazeroux.

"The mother superior's."

"The mother superior?"

"Yes, the home includes a private hospital, which is managed by nuns."

"Could we speak to the superior?"