"Pretty often, when he was in Paris; and always in the afternoon. Sometimes they were together till six or seven o'clock, and once or twice the lady did not come down before half-past seven."
"Used they to leave the house together?"
"No, sir."
"Did the lady ever stay the night here?"
"Never, sir."
"Yes: evidently a married woman," murmured the detective as if speaking to himself.
Mme. Doulenques made a vague gesture to show her ignorance on the point.
"I can't tell you anything about that, sir."
"Very well," said the detective; "kindly pass me that coat behind you."
The concierge obediently took down a coat from a hook and handed it to Juve who searched it quickly, looked it all over and then found a label sewn on the inside of the collar: it bore the one word Pretoria.