For a moment the woman looked as though she would have liked to produce that infallible revolver and shot him on the spot. Then she angrily commanded her driver to return.

Fairholme surveyed the scene with open-eyed amazement. "Well," he said, "that beats everything. You really have a splendid nerve. The whole business reads like a chapter out of one of Gaboriau's novels."

"That is the way people live in Paris, my dear fellow. Life is an artificial matter here. But all this excitement has made me hungry. Let us have déjeûner."


CHAPTER X.

ON GUARD

On their way to the hotel, Brett, yielding apparently to a momentary impulse, stopped the cab at a house in the Rue du Chaussée d'Antin. Without any explanation to Lord Fairholme he disappeared into the interior, and did not rejoin his companion for nearly ten minutes.

"It is perhaps not of much use," he explained on his return, "but I do not like to leave any stone unturned. The man I have just called on is a well-known private detective, and I can trust him to look after my business without taking the police into his confidence. Two of his smartest agents will maintain a close watch on both the Cabaret Noir and No. 11, Rue Barbette, during the afternoon."

"You do not seem to expect much result?"