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182 "Not in the least."

"Then good-night, my dear Monsieur Duchemin!"

Was there a hint of irony in Blensop's employment of that style? Lanyard half fancied there was, but did not linger to analyse the impression. Already the secretary had opened the side door.

In a bound Lanyard cleared the stoop, then ran back to the door in the wall. But with all his quickness he was all too slow; already, as he emerged to Ninety-fifth Street, his quarry was rounding the Avenue corner.

Defiant of discretion, Lanyard gave chase at speed but, though he had not thirty yards to cover, again was baffled by the swiftness with which "Karl" got about.

He had still some distance to go when the peace of the quarter was shattered by a door that slammed like a pistol shot, and with roaring motor and grinding gears a cab swung away from the curb in front of the Stanistreet residence and tore off down the Avenue.

Swearing petulantly in his disappointment, Lanyard pulled up on the corner. The number on the license plate was plainly revealed as the vehicle showed its back to the street lamp. But what good was that to him? He memorised it mechanically, in mutinous appreciation of the fact that the taxi was setting a pace with which he could not hope to compete afoot.

The rumble of another motor-car caught his ear, and he looked round eagerly. A second taxicab—undoubtedly that which had brought the young woman now presumably closeted with Mr. Blensop—was moving up into the place vacated by the first.

In two strides Lanyard was at its side.